Eok Blao PI-U b44-7 [#16204773544321]

100.00%
Eok Blao PI-U b44-7 A / M (Red dwarf) Star (Scoopable)
Distance to arrival:
0 ls
Estimated value:
1,206 cr

Solar masses:
0.3164
Solar radius:
0.5299
Age:
12,917 million years
Luminosity:
Va

Surface temperature:
2,972 K
Eok Blao PI-U b44-7 A A Belt
Class:
Rocky

Mass:
69,411,000,000,000 Mt

Inner radius:
644,960 km
Outer radius:
1,644,300 km
Eok Blao PI-U b44-7 A 1 / High metal content world (Landable)
Distance to arrival:
21 ls
Estimated value:
12,448 cr

Earth masses:
0.0350
Radius:
2,112 km

Gravity:
0.32 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
488 K

Materials:
Fe (22.1%) Ni (16.7%) S (15.3%) C (12.9%) Cr (9.9%) Mn (9.1%) P (8.2%) As (2.0%) Sn (1.4%) Ru (1.4%) Hg (1.0%)
Eok Blao PI-U b44-7 A 1 a / Rocky body (Landable)
Distance to arrival:
21 ls
Estimated value:
500 cr

Earth masses:
0.0030
Radius:
1,003 km

Gravity:
0.12 G

Volcanism:
Major Silicate Vapour Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
488 K

Materials:
Fe (20.0%) S (17.7%) Ni (15.1%) C (14.9%) P (9.6%) Mn (8.3%) Zn (5.4%) V (4.9%) Cd (1.6%) Te (1.4%) Sn (1.2%)
Eok Blao PI-U b44-7 A 2 / High metal content world (Landable)
Distance to arrival:
38 ls
Estimated value:
12,102 cr

Earth masses:
0.0181
Radius:
1,711 km

Gravity:
0.25 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
369 K

Materials:
Fe (22.8%) Ni (17.2%) S (16.0%) C (13.5%) Cr (10.2%) P (8.6%) Ge (4.7%) Zr (2.6%) Cd (1.8%) Nb (1.6%) Sb (1.0%)
Eok Blao PI-U b44-7 A 3 / High metal content world (Landable)
Distance to arrival:
51 ls
Estimated value:
12,517 cr

Earth masses:
0.0395
Radius:
2,199 km

Gravity:
0.33 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
324 K

Materials:
Fe (22.4%) Ni (16.9%) S (15.5%) C (13.1%) Mn (9.3%) P (8.4%) V (5.5%) Ge (4.6%) Nb (1.5%) Mo (1.5%) Ru (1.4%)
Eok Blao PI-U b44-7 A 3 a / Rocky body (Landable)
Distance to arrival:
51 ls
Estimated value:
500 cr

Earth masses:
0.0028
Radius:
973 km

Gravity:
0.12 G

Volcanism:
Minor Metallic Magma
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
324 K

Materials:
Fe (20.0%) S (17.8%) Ni (15.2%) C (15.0%) P (9.6%) Mn (8.3%) Zn (5.4%) V (4.9%) Cd (1.6%) Ru (1.2%) W (1.1%)
Eok Blao PI-U b44-7 A 4 / High metal content world (Landable)
Distance to arrival:
66 ls
Estimated value:
12,364 cr

Earth masses:
0.0300
Radius:
2,019 km

Gravity:
0.30 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
289 K

Materials:
Fe (21.0%) Ni (15.9%) S (14.8%) C (12.4%) Cr (9.5%) Mn (8.7%) P (8.0%) Zn (5.7%) Nb (1.4%) Sn (1.4%) Ru (1.3%)
Eok Blao PI-U b44-7 A 5 / High metal content world (Landable)
Distance to arrival:
66 ls
Estimated value:
12,176 cr

Earth masses:
0.0210
Radius:
1,796 km

Gravity:
0.26 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
289 K

Materials:
Fe (22.0%) Ni (16.7%) S (15.5%) C (13.0%) Mn (9.1%) P (8.3%) Zn (6.0%) V (5.4%) Sn (1.4%) Ru (1.4%) W (1.2%)
Eok Blao PI-U b44-7 AB 1 / Class I gas giant
Distance to arrival:
1,191 ls
Estimated value:
4,436 cr

Earth masses:
229.8421
Radius:
69,941 km

Reserve level:
Pristine

Gravity:
1.91 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
84 K
Eok Blao PI-U b44-7 AB 1 a / Icy body (Landable)
Distance to arrival:
1,189 ls
Estimated value:
500 cr

Earth masses:
0.0005
Radius:
703 km

Gravity:
0.04 G

Volcanism:
Minor Carbon Dioxide Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
57 K

Materials:
S (27.5%) C (23.2%) P (14.8%) Fe (12.6%) Ni (9.5%) Mn (5.2%) V (3.1%) As (1.6%) Cd (1.0%) Te (0.9%) Hg (0.6%)
Eok Blao PI-U b44-7 AB 1 b / Icy body (Landable)
Distance to arrival:
1,190 ls
Estimated value:
500 cr

Earth masses:
0.0003
Radius:
568 km

Gravity:
0.03 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
56 K

Materials:
S (26.8%) C (22.5%) P (14.4%) Fe (12.1%) Ni (9.2%) Cr (5.5%) Se (4.2%) V (3.0%) Cd (0.9%) Sb (0.7%) Sn (0.7%)
Eok Blao PI-U b44-7 AB 1 c / Icy body (Landable)
Distance to arrival:
1,187 ls
Estimated value:
500 cr

Earth masses:
0.0007
Radius:
777 km

Surface pressure:
0.00 Atmospheres

Gravity:
0.05 G

Volcanism:
No volcanism
Atmosphere:
Thin Argon
Terraforming state:
Not terraformable

Surface temperature:
56 K

Materials:
S (26.8%) C (22.6%) P (14.5%) Fe (12.1%) Ni (9.2%) Cr (5.5%) Se (4.2%) V (3.0%) Mo (0.8%) Y (0.7%) W (0.7%)
Eok Blao PI-U b44-7 AB 1 d / Icy body (Landable)
Distance to arrival:
1,196 ls
Estimated value:
500 cr

Earth masses:
0.0008
Radius:
833 km

Surface pressure:
0.00 Atmospheres

Gravity:
0.05 G

Volcanism:
No volcanism
Atmosphere:
Thin Argon
Terraforming state:
Not terraformable

Surface temperature:
55 K

Materials:
S (28.2%) C (23.7%) P (15.2%) Fe (12.7%) Ni (9.6%) Ge (3.6%) V (3.1%) Zr (1.5%) Te (0.9%) Sn (0.8%) W (0.7%)
Eok Blao PI-U b44-7 AB 1 e / Icy body (Landable)
Distance to arrival:
1,198 ls
Estimated value:
500 cr

Earth masses:
0.0024
Radius:
1,176 km

Surface pressure:
0.00 Atmospheres

Gravity:
0.07 G

Volcanism:
No volcanism
Atmosphere:
Thin Argon
Terraforming state:
Not terraformable

Surface temperature:
55 K

Materials:
S (26.3%) C (22.1%) P (14.1%) Fe (11.9%) Ni (9.0%) Cr (5.3%) Mn (4.9%) Se (4.1%) Te (0.9%) Nb (0.8%) W (0.7%)
Eok Blao PI-U b44-7 AB 2 / Class I gas giant
Distance to arrival:
2,096 ls
Estimated value:
3,979 cr

Earth masses:
93.6034
Radius:
59,046 km

Reserve level:
Pristine

Gravity:
1.09 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
56 K
Eok Blao PI-U b44-7 AB 2 a / Icy body (Landable)
Distance to arrival:
2,096 ls
Estimated value:
500 cr

Earth masses:
0.0007
Radius:
773 km

Gravity:
0.05 G

Volcanism:
Major Water Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
45 K

Materials:
S (26.6%) C (22.4%) P (14.3%) Fe (12.0%) Ni (9.1%) Cr (5.4%) Mn (5.0%) V (3.0%) Cd (0.9%) Ru (0.7%) W (0.7%)
Eok Blao PI-U b44-7 AB 2 b / Icy body (Landable)
Distance to arrival:
2,095 ls
Estimated value:
500 cr

Earth masses:
0.0036
Radius:
1,344 km

Gravity:
0.08 G

Volcanism:
Carbon Dioxide Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
44 K

Materials:
S (27.3%) C (23.0%) P (14.7%) Fe (12.4%) Ni (9.3%) Se (4.3%) Ge (3.5%) V (3.0%) Cd (1.0%) Mo (0.8%) Sb (0.7%)
Eok Blao PI-U b44-7 AB 2 c / Icy body (Landable)
Distance to arrival:
2,095 ls
Estimated value:
500 cr

Earth masses:
0.0016
Radius:
1,030 km

Gravity:
0.06 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
44 K

Materials:
S (26.5%) C (22.3%) P (14.3%) Fe (12.1%) Ni (9.2%) Cr (5.5%) Se (4.2%) Ge (3.4%) Cd (0.9%) Te (0.9%) Mo (0.8%)
Eok Blao PI-U b44-7 AB 2 d / Icy body (Landable)
Distance to arrival:
2,094 ls
Estimated value:
500 cr

Earth masses:
0.0009
Radius:
840 km

Gravity:
0.05 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
43 K

Materials:
S (27.9%) C (23.4%) P (15.0%) Fe (12.6%) Ni (9.5%) Se (4.4%) Zn (3.4%) As (1.6%) Cd (1.0%) Sn (0.8%) Tc (0.5%)
Eok Blao PI-U b44-7 AB 3 / Class I gas giant
Distance to arrival:
2,114 ls
Estimated value:
3,361 cr

Earth masses:
19.9104
Radius:
40,173 km

Gravity:
0.50 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
49 K
Eok Blao PI-U b44-7 AB 3 a / Icy body (Landable)
Distance to arrival:
2,114 ls
Estimated value:
500 cr

Earth masses:
0.0003
Radius:
585 km

Gravity:
0.03 G

Volcanism:
Major Water Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
43 K

Materials:
S (26.8%) C (22.5%) P (14.4%) Fe (12.1%) Ni (9.2%) Mn (5.0%) Se (4.2%) Ge (3.5%) Cd (0.9%) Ru (0.8%) Sn (0.7%)
Eok Blao PI-U b44-7 AB 3 b / Icy body (Landable)
Distance to arrival:
2,114 ls
Estimated value:
500 cr

Earth masses:
0.0005
Radius:
683 km

Gravity:
0.04 G

Volcanism:
Major Water Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
43 K

Materials:
S (26.7%) C (22.5%) P (14.4%) Fe (12.2%) Ni (9.2%) Cr (5.5%) Se (4.2%) V (3.0%) Cd (1.0%) Ru (0.8%) W (0.7%)
Eok Blao PI-U b44-7 AB 3 c / Icy body (Landable)
Distance to arrival:
2,114 ls
Estimated value:
500 cr

Earth masses:
0.0005
Radius:
678 km

Gravity:
0.04 G

Volcanism:
Major Water Magma
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
43 K

Materials:
S (26.8%) C (22.5%) P (14.4%) Fe (12.2%) Ni (9.2%) Mn (5.0%) Se (4.2%) Ge (3.5%) Mo (0.8%) Ru (0.8%) Sn (0.7%)
Eok Blao PI-U b44-7 AB 4 / Class I gas giant
Distance to arrival:
2,509 ls
Estimated value:
3,412 cr

Earth masses:
23.1247
Radius:
36,951 km

Gravity:
0.69 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
42 K
Eok Blao PI-U b44-7 AB 4 a / Icy body (Landable)
Distance to arrival:
2,508 ls
Estimated value:
500 cr

Earth masses:
0.0005
Radius:
689 km

Gravity:
0.04 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
37 K

Materials:
S (28.0%) C (23.6%) P (15.1%) Fe (12.7%) Ni (9.6%) Se (4.4%) V (3.1%) Zr (1.5%) Te (0.9%) W (0.7%) Hg (0.6%)
Eok Blao PI-U b44-7 AB 4 b / Icy body (Landable)
Distance to arrival:
2,510 ls
Estimated value:
500 cr

Earth masses:
0.0005
Radius:
698 km

Gravity:
0.04 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
37 K

Materials:
S (27.0%) C (22.7%) P (14.5%) Fe (12.2%) Ni (9.2%) Mn (5.0%) Se (4.2%) V (3.0%) Mo (0.8%) Ru (0.8%) W (0.7%)
Eok Blao PI-U b44-7 AB 4 c / Icy body (Landable)
Distance to arrival:
2,510 ls
Estimated value:
500 cr

Earth masses:
0.0003
Radius:
600 km

Gravity:
0.04 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
37 K

Materials:
S (27.8%) C (23.4%) P (15.0%) Fe (12.6%) Ni (9.5%) Se (4.4%) Zn (3.4%) Zr (1.5%) Cd (1.0%) Sn (0.8%) Y (0.8%)
Eok Blao PI-U b44-7 AB 4 d / Icy body (Landable)
Distance to arrival:
2,509 ls
Estimated value:
500 cr

Earth masses:
0.0006
Radius:
762 km

Gravity:
0.04 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
37 K

Materials:
S (27.0%) C (22.7%) P (14.6%) Fe (12.2%) Ni (9.2%) Cr (5.5%) Ge (3.5%) V (3.0%) Mo (0.8%) Ru (0.8%) W (0.7%)
Eok Blao PI-U b44-7 AB 4 e / Icy body (Landable)
Distance to arrival:
2,506 ls
Estimated value:
500 cr

Earth masses:
0.0007
Radius:
793 km

Gravity:
0.05 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
37 K

Materials:
S (26.5%) C (22.3%) P (14.3%) Fe (12.0%) Ni (9.1%) Cr (5.4%) Mn (5.0%) Zn (3.3%) Cd (0.9%) Te (0.9%) Hg (0.5%)
Eok Blao PI-U b44-7 AB 4 f / Icy body (Landable)
Distance to arrival:
2,504 ls
Estimated value:
500 cr

Earth masses:
0.0011
Radius:
911 km

Gravity:
0.05 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
37 K

Materials:
S (27.1%) C (22.8%) P (14.6%) Fe (12.3%) Ni (9.3%) Mn (5.1%) Ge (3.5%) V (3.0%) Te (0.9%) Mo (0.8%) Hg (0.5%)
Eok Blao PI-U b44-7 AB 4 g / Icy body (Landable)
Distance to arrival:
2,502 ls
Estimated value:
500 cr

Earth masses:
0.0005
Radius:
716 km

Gravity:
0.04 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
37 K

Materials:
S (26.8%) C (22.5%) P (14.4%) Fe (12.1%) Ni (9.2%) Cr (5.5%) Se (4.2%) V (3.0%) Te (0.9%) Mo (0.8%) W (0.7%)
Eok Blao PI-U b44-7 B / L (Brown dwarf) Star
Distance to arrival:
535 ls
Estimated value:
1,202 cr

Solar masses:
0.1133
Solar radius:
0.2505
Age:
12,917 million years
Luminosity:
V

Surface temperature:
1,526 K
Eok Blao PI-U b44-7 B A Belt
Class:
Rocky

Mass:
15,696,000,000,000 Mt

Inner radius:
339,170 km
Outer radius:
1,167,600 km
Eok Blao PI-U b44-7 B 1 / High metal content world (Landable)
Distance to arrival:
537 ls
Estimated value:
12,165 cr

Earth masses:
0.0205
Radius:
1,783 km

Gravity:
0.26 G

Volcanism:
Minor Silicate Vapour Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
391 K

Materials:
Fe (22.0%) Ni (16.6%) S (15.5%) C (13.0%) Cr (9.9%) Mn (9.1%) P (8.3%) As (2.0%) Mo (1.4%) W (1.2%) Sb (1.0%)
Eok Blao PI-U b44-7 B 2 / High metal content world (Landable)
Distance to arrival:
532 ls
Estimated value:
12,490 cr

Earth masses:
0.0377
Radius:
2,173 km

Gravity:
0.32 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
310 K

Materials:
Fe (21.3%) Ni (16.1%) S (15.0%) C (12.6%) Cr (9.6%) Mn (8.8%) P (8.1%) V (5.2%) Mo (1.4%) Te (1.1%) Hg (0.9%)
Eok Blao PI-U b44-7 B 3 / High metal content world (Landable)
Distance to arrival:
547 ls
Estimated value:
12,590 cr

Earth masses:
0.0448
Radius:
2,293 km

Gravity:
0.35 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
277 K

Materials:
Fe (21.1%) Ni (16.0%) S (14.8%) C (12.4%) Cr (9.5%) Mn (8.7%) P (8.0%) Zn (5.8%) Nb (1.5%) Mo (1.4%) Sb (0.9%)
Eok Blao PI-U b44-7 B 3 a / Rocky body (Landable)
Distance to arrival:
547 ls
Estimated value:
500 cr

Earth masses:
0.0015
Radius:
801 km

Gravity:
0.10 G

Volcanism:
Major Silicate Vapour Geysers
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
277 K

Materials:
Fe (20.6%) S (18.3%) Ni (15.6%) C (15.4%) P (9.9%) Mn (8.5%) Ge (5.4%) As (2.4%) Nb (1.4%) Te (1.4%) W (1.1%)
Eok Blao PI-U b44-7 B 4 / High metal content world (Landable)
Distance to arrival:
553 ls
Estimated value:
12,396 cr

Earth masses:
0.0319
Radius:
2,058 km

Gravity:
0.31 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
246 K

Materials:
Fe (21.1%) Ni (15.9%) S (14.8%) C (12.5%) Cr (9.5%) Mn (8.7%) P (8.0%) Zn (5.7%) Nb (1.4%) Sn (1.4%) Te (1.1%)
Eok Blao PI-U b44-7 B 5 / Icy body
Distance to arrival:
573 ls
Estimated value:
500 cr

Earth masses:
1.6155
Radius:
8,677 km

Surface pressure:
2,563.76 Atmospheres

Gravity:
0.87 G

Volcanism:
Minor Carbon Dioxide Geysers
Atmosphere:
Thick Argon-rich
Terraforming state:
Not terraformable

Surface temperature:
339 K
Eok Blao PI-U b44-7 C / L (Brown dwarf) Star
Distance to arrival:
522,217 ls
Estimated value:
1,203 cr

Solar masses:
0.1523
Solar radius:
0.2963
Age:
12,917 million years
Luminosity:
V

Surface temperature:
1,679 K
Eok Blao PI-U b44-7 C 1 / Icy body (Landable)
Distance to arrival:
521,944 ls
Estimated value:
500 cr

Earth masses:
0.5880
Radius:
6,621 km

Surface pressure:
0.01 Atmospheres

Gravity:
0.55 G

Volcanism:
Minor Nitrogen Magma
Atmosphere:
Thin Neon-rich
Terraforming state:
Not terraformable

Surface temperature:
35 K

Materials:
S (24.0%) C (20.1%) Fe (16.7%) P (12.9%) Ni (12.6%) Zn (4.5%) Se (3.8%) Zr (1.9%) Cd (1.3%) Nb (1.1%) Y (1.0%)
Eok Blao PI-U b44-7 C 2 / Icy body (Landable)
Distance to arrival:
521,137 ls
Estimated value:
500 cr

Earth masses:
0.3743
Radius:
5,759 km

Surface pressure:
0.00 Atmospheres

Gravity:
0.46 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
26 K

Materials:
S (23.0%) C (19.4%) Fe (16.1%) P (12.4%) Ni (12.2%) Cr (7.2%) V (4.0%) Ge (3.3%) Sn (1.0%) Hg (0.7%) Sb (0.7%)
Eok Blao PI-U b44-7 C 3 / Icy body (Landable)
Distance to arrival:
521,463 ls
Estimated value:
500 cr

Earth masses:
0.3108
Radius:
5,423 km

Surface pressure:
0.00 Atmospheres

Gravity:
0.43 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
23 K

Materials:
S (22.7%) C (19.1%) Fe (16.0%) P (12.2%) Ni (12.1%) Cr (7.2%) V (3.9%) Se (3.6%) Nb (1.1%) Sn (1.0%) Ru (1.0%)
Eok Blao PI-U b44-7 C 4 / Icy body (Landable)
Distance to arrival:
521,469 ls
Estimated value:
500 cr

Earth masses:
0.2227
Radius:
4,894 km

Surface pressure:
0.00 Atmospheres

Gravity:
0.38 G

Volcanism:
No volcanism
Atmosphere:
No atmosphere
Terraforming state:
Not terraformable

Surface temperature:
23 K

Materials:
S (23.0%) C (19.3%) Fe (16.0%) P (12.4%) Ni (12.1%) Mn (6.6%) Zn (4.4%) Ge (3.3%) Nb (1.1%) Ru (1.0%) W (0.9%)
Eok Blao PI-U b44-7 C 5 / Icy body
Distance to arrival:
522,254 ls
Estimated value:
500 cr

Earth masses:
0.6774
Radius:
6,914 km

Surface pressure:
0.15 Atmospheres

Gravity:
0.58 G

Volcanism:
No volcanism
Atmosphere:
Helium
Terraforming state:
Not terraformable

Surface temperature:
20 K