🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.1

Radius: 12.4

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.59 AU - 0.97 AU

Year: 452 Days

Day: 14.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,627,506 km

• M1: 154,235 km (0.114 R)
• M2: 889,958 km (0.114 R)
• M3: 1,372,710 km (0.114 R)
• M4: 1,764,357 km (0.097 R)
• M5: 2,205,222 km (0.12 R)
• M6: 3,046,112 km (0.087 R)
• M7: 3,885,505 km (0.081 R)
• M8: 4,506,935 km (0.079 R)
• M9: 4,936,281 km (0.096 R)
• M10: 5,753,983 km (0.043 R)
• M11: 6,149,520 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.7

Radius: 11.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.25 AU - 1.57 AU

Year: 1098 Days

Day: 7.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,627,506 km

• M1: 147,952 km (0.107 R)
• M2: 528,679 km (0.076 R)
• M3: 904,768 km (0.052 R)
• M4: 1,295,518 km (0.047 R)
• M5: 2,394,613 km (0.093 R)
• M6: 2,872,130 km (0.075 R)
• M7: 3,426,838 km (0.105 R)
• M8: 3,805,321 km (0.096 R)
• M9: 4,527,430 km (0.061 R)
• M10: 5,244,004 km (0.102 R)
• M11: 5,993,489 km (0.093 R)
• M12: 6,678,797 km (0.116 R)
• M13: 7,978,354 km (0.071 R)
• M14: 8,464,397 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.8

Radius: 10.3

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.11 AU - 3.11 AU

Year: 2766 Days

Day: 6.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,627,506 km

• M1: 128,355 km (0.102 R)
• M2: 602,580 km (0.094 R)
• M3: 1,303,745 km (0.065 R)
• M4: 1,696,589 km (0.086 R)
• M5: 2,726,720 km (0.099 R)
• M6: 9,106,621 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.3

Radius: 11.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.7 AU - 5.34 AU

Year: 7378 Days

Day: 14 Hours

Environment

Temp: -220 °C

Axial Tilt: 64.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 88,627,506 km

• M1: 148,700 km (0.108 R)
• M2: 763,099 km (0.05 R)
• M3: 1,988,156 km (0.109 R)
• M4: 2,443,681 km (0.076 R)
• M5: 3,522,880 km (0.038 R)
• M6: 4,839,641 km (0.09 R)
• M7: 6,634,217 km (0.084 R)
• M8: 7,509,215 km (0.038 R)
• M9: 9,093,307 km (0.058 R)
• M10: 9,895,301 km (0.035 R)
• M11: 10,599,159 km (0.053 R)
• M12: 11,487,321 km (0.102 R)
• M13: 11,897,818 km (0.102 R)
• M14: 12,371,295 km (0.067 R)
• M15: 16,559,437 km (0.106 R)
• M16: 17,551,869 km (0.053 R)
• M17: 18,304,496 km (0.09 R)
• M18: 20,994,715 km (0.103 R)
• M19: 22,315,066 km (0.095 R)
• M20: 23,855,475 km (0.081 R)
• M21: 24,609,299 km (0.119 R)
• M22: 25,206,643 km (0.106 R)
• M23: 30,338,598 km (0.077 R)
• M24: 31,025,402 km (0.096 R)
• M25: 31,422,584 km (0.059 R)
• M26: 32,328,549 km (0.099 R)
• M27: 34,722,863 km (0.091 R)
• M28: 35,474,442 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.8

Radius: 7.8

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.74 AU - 12.86 AU

Year: 21685 Days

Day: 18.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,627,506 km

• M1: 108,010 km (0.057 R)
• M2: 389,852 km (0.099 R)
• M3: 1,078,750 km (0.064 R)
• M4: 1,938,190 km (0.026 R)
• M5: 3,164,294 km (0.071 R)
• M6: 3,958,210 km (0.03 R)
• M7: 5,934,697 km (0.113 R)
• M8: 6,379,003 km (0.095 R)
• M9: 8,057,192 km (0.073 R)
• M10: 8,998,312 km (0.072 R)
• M11: 10,322,403 km (0.104 R)
• M12: 12,761,746 km (0.097 R)
• M13: 16,234,660 km (0.076 R)
• M14: 20,790,514 km (0.089 R)
• M15: 22,023,649 km (0.082 R)
• M16: 25,203,651 km (0.057 R)
• M17: 26,014,771 km (0.111 R)
• M18: 34,820,700 km (0.069 R)
• M19: 43,746,008 km (0.043 R)
• M20: 45,765,429 km (0.055 R)
• M21: 53,892,184 km (0.102 R)
• M22: 57,395,168 km (0.062 R)
• M23: 70,392,231 km (0.097 R)
• M24: 78,913,625 km (0.077 R)
• M25: 87,306,215 km (0.1 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 10,886 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit