🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.6

Radius: 12.2

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.75 AU - 0.89 AU

Year: 504 Days

Day: 8.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,863,116 km

• M1: 151,842 km (0.072 R)
• M2: 560,094 km (0.1 R)
• M3: 951,891 km (0.071 R)
• M4: 1,398,740 km (0.043 R)
• M5: 1,910,514 km (0.069 R)
• M6: 2,525,362 km (0.108 R)
• M7: 3,064,363 km (0.038 R)
• M8: 3,457,207 km (0.09 R)
• M9: 3,911,536 km (0.112 R)
• M10: 4,345,519 km (0.112 R)
• M11: 4,941,666 km (0.116 R)
• M12: 5,845,088 km (0.099 R)
• M13: 6,592,778 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.7

Radius: 14

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.94 AU - 1.4 AU

Year: 858 Days

Day: 10.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,863,116 km

• M1: 175,179 km (0.065 R)
• M2: 844,480 km (0.113 R)
• M3: 1,399,338 km (0.042 R)
• M4: 1,976,487 km (0.119 R)
• M5: 2,579,965 km (0.111 R)
• M6: 3,223,685 km (0.111 R)
• M7: 4,078,936 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.5

Radius: 8.4

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.76 AU - 4.34 AU

Year: 4537 Days

Day: 8.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,863,116 km

• M1: 105,018 km (0.049 R)
• M2: 520,900 km (0.03 R)
• M3: 796,160 km (0.053 R)
• M4: 1,256,622 km (0.09 R)
• M5: 1,809,835 km (0.11 R)
• M6: 2,272,840 km (0.083 R)
• M7: 3,076,779 km (0.065 R)
• M8: 4,903,070 km (0.114 R)
• M9: 5,235,477 km (0.112 R)
• M10: 5,748,149 km (0.084 R)
• M11: 6,905,438 km (0.118 R)
• M12: 7,792,852 km (0.096 R)
• M13: 8,281,888 km (0.103 R)
• M14: 8,978,266 km (0.116 R)
• M15: 10,613,371 km (0.113 R)
• M16: 11,127,389 km (0.102 R)
• M17: 11,838,278 km (0.108 R)
• M18: 12,864,818 km (0.116 R)
• M19: 13,647,814 km (0.071 R)
• M20: 16,469,230 km (0.086 R)
• M21: 17,450,891 km (0.069 R)
• M22: 18,716,788 km (0.043 R)
• M23: 20,432,825 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485

Radius: 14.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.92 AU - 5.48 AU

Year: 6911 Days

Day: 7.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,863,116 km

• M1: 185,950 km (0.099 R)
• M2: 837,748 km (0.07 R)
• M3: 2,293,635 km (0.094 R)
• M4: 3,071,394 km (0.101 R)
• M5: 4,746,740 km (0.103 R)
• M6: 5,298,158 km (0.078 R)
• M7: 6,731,156 km (0.112 R)
• M8: 8,808,622 km (0.051 R)
• M9: 9,994,783 km (0.04 R)
• M10: 11,332,936 km (0.052 R)
• M11: 13,478,768 km (0.111 R)
• M12: 17,768,188 km (0.065 R)
• M13: 21,455,476 km (0.12 R)
• M14: 22,356,355 km (0.119 R)
• M15: 22,970,753 km (0.096 R)
• M16: 23,517,683 km (0.073 R)
• M17: 27,330,334 km (0.104 R)
• M18: 29,658,526 km (0.065 R)
• M19: 30,494,329 km (0.1 R)
• M20: 32,898,965 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.1

Radius: 4

Gravity: 55.94 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.24 AU - 6.26 AU

Year: 9352 Days

Day: 19.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,863,116 km

• M1: 54,902 km (0.059 R)
• M2: 190,139 km (0.073 R)
• M3: 533,616 km (0.065 R)
• M4: 860,487 km (0.08 R)
• M5: 1,035,217 km (0.052 R)
• M6: 1,705,715 km (0.09 R)
• M7: 2,177,846 km (0.09 R)
• M8: 2,775,190 km (0.081 R)
• M9: 2,974,006 km (0.052 R)
• M10: 3,302,074 km (0.089 R)
• M11: 3,475,009 km (0.082 R)
• M12: 3,602,167 km (0.097 R)
• M13: 4,461,457 km (0.114 R)
• M14: 5,148,560 km (0.113 R)
• M15: 6,927,877 km (0.12 R)
• M16: 11,638,266 km (0.118 R)
• M17: 12,331,203 km (0.063 R)
• M18: 13,112,253 km (0.037 R)
• M19: 15,107,141 km (0.113 R)
• M20: 18,196,187 km (0.067 R)
• M21: 19,445,479 km (0.105 R)
• M22: 20,254,654 km (0.07 R)
• M23: 21,681,369 km (0.107 R)
• M24: 28,572,296 km (0.092 R)
• M25: 31,671,515 km (0.113 R)
• M26: 38,653,696 km (0.113 R)
• M27: 44,343,053 km (0.114 R)
• M28: 46,024,982 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.5

Radius: 6.2

Gravity: 15.99 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.5 AU - 9.78 AU

Year: 15752 Days

Day: 22.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,863,116 km

• M1: 81,082 km (0.087 R)
• M2: 292,314 km (0.082 R)
• M3: 847,622 km (0.068 R)
• M4: 1,405,622 km (0.074 R)
• M5: 1,665,473 km (0.117 R)
• M6: 2,125,337 km (0.082 R)
• M7: 2,826,652 km (0.074 R)
• M8: 3,091,739 km (0.051 R)
• M9: 3,784,976 km (0.069 R)
• M10: 7,076,578 km (0.11 R)
• M11: 8,223,245 km (0.058 R)
• M12: 9,865,082 km (0.046 R)
• M13: 12,147,198 km (0.085 R)
• M14: 13,310,321 km (0.107 R)
• M15: 15,410,974 km (0.09 R)
• M16: 15,632,379 km (0.069 R)
• M17: 20,970,330 km (0.088 R)
• M18: 24,293,497 km (0.083 R)
• M19: 29,512,219 km (0.099 R)
• M20: 32,441,944 km (0.1 R)
• M21: 36,467,473 km (0.084 R)
• M22: 41,522,535 km (0.049 R)
• M23: 43,403,877 km (0.116 R)
• M24: 44,739,188 km (0.104 R)
• M25: 52,827,047 km (0.054 R)
• M26: 54,007,973 km (0.11 R)
• M27: 60,727,311 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.8

Radius: 6.4

Gravity: 20.41 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.63 AU - 10.59 AU

Year: 20206 Days

Day: 22.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,863,116 km

• M1: 79,586 km (0.079 R)
• M2: 753,674 km (0.107 R)
• M3: 1,224,309 km (0.081 R)
• M4: 1,451,698 km (0.112 R)
• M5: 1,671,457 km (0.032 R)
• M6: 2,074,174 km (0.089 R)
• M7: 2,635,765 km (0.045 R)
• M8: 6,182,132 km (0.087 R)
• M9: 6,536,679 km (0.054 R)
• M10: 7,482,586 km (0.097 R)
• M11: 12,118,026 km (0.085 R)
• M12: 16,621,221 km (0.114 R)
• M13: 16,961,706 km (0.095 R)
• M14: 17,306,828 km (0.099 R)
• M15: 18,460,976 km (0.04 R)
• M16: 21,020,146 km (0.078 R)
• M17: 24,787,320 km (0.027 R)
• M18: 25,120,175 km (0.094 R)
• M19: 28,011,304 km (0.09 R)
• M20: 32,552,945 km (0.048 R)
• M21: 39,189,406 km (0.074 R)
• M22: 39,641,341 km (0.117 R)
• M23: 46,169,493 km (0.104 R)
• M24: 50,838,592 km (0.069 R)
• M25: 51,556,064 km (0.086 R)
• M26: 63,556,057 km (0.11 R)
• M27: 66,501,340 km (0.052 R)
• M28: 68,224,707 km (0.076 R)
• M29: 70,642,508 km (0.106 R)
• M30: 73,116,857 km (0.092 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 13,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit