🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970

Radius: 14.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.65 AU - 1.07 AU

Year: 532 Days

Day: 5 Hours

Environment

Temp: -176 °C

Axial Tilt: 76.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,460,566 km

• M1: 184,753 km (0.067 R)
• M2: 659,427 km (0.118 R)
• M3: 1,129,464 km (0.114 R)
• M4: 1,625,830 km (0.094 R)
• M5: 2,519,677 km (0.067 R)
• M6: 3,615,033 km (0.096 R)
• M7: 6,674,159 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.6

Radius: 9.7

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.76 AU - 1.1 AU

Year: 598 Days

Day: 5.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,460,566 km

• M1: 120,576 km (0.068 R)
• M2: 423,362 km (0.075 R)
• M3: 745,895 km (0.05 R)
• M4: 1,142,329 km (0.104 R)
• M5: 1,458,878 km (0.081 R)
• M6: 1,851,872 km (0.093 R)
• M7: 2,971,762 km (0.063 R)
• M8: 3,555,493 km (0.062 R)
• M9: 4,049,614 km (0.118 R)
• M10: 4,588,915 km (0.085 R)
• M11: 4,951,839 km (0.105 R)
• M12: 5,624,282 km (0.109 R)
• M13: 6,060,060 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.2

Radius: 8.8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.76 AU - 1.26 AU

Year: 677 Days

Day: 14.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,460,566 km

• M1: 110,852 km (0.053 R)
• M2: 427,252 km (0.084 R)
• M3: 784,342 km (0.114 R)
• M4: 1,101,639 km (0.048 R)
• M5: 1,449,155 km (0.052 R)
• M6: 1,899,295 km (0.043 R)
• M7: 2,577,123 km (0.11 R)
• M8: 3,008,264 km (0.094 R)
• M9: 3,590,798 km (0.089 R)
• M10: 4,459,662 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.1

Radius: 13.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.88 AU - 1.42 AU

Year: 822 Days

Day: 12.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,460,566 km

• M1: 164,109 km (0.109 R)
• M2: 661,671 km (0.118 R)
• M3: 1,145,172 km (0.108 R)
• M4: 1,590,674 km (0.098 R)
• M5: 2,017,926 km (0.08 R)
• M6: 2,445,776 km (0.094 R)
• M7: 2,873,177 km (0.101 R)
• M8: 3,310,451 km (0.079 R)
• M9: 4,113,044 km (0.109 R)
• M10: 4,740,607 km (0.106 R)
• M11: 5,151,103 km (0.051 R)
• M12: 5,801,555 km (0.1 R)
• M13: 6,314,377 km (0.097 R)
• M14: 7,360,963 km (0.084 R)
• M15: 7,963,095 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.1

Radius: 10.2

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.43 AU - 1.45 AU

Year: 1152 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,460,566 km

• M1: 126,859 km (0.1 R)
• M2: 515,514 km (0.106 R)
• M3: 880,832 km (0.067 R)
• M4: 1,235,978 km (0.033 R)
• M5: 1,640,341 km (0.109 R)
• M6: 2,142,391 km (0.084 R)
• M7: 2,493,198 km (0.095 R)
• M8: 3,456,010 km (0.12 R)
• M9: 4,426,152 km (0.084 R)
• M10: 4,814,807 km (0.062 R)
• M11: 5,586,882 km (0.078 R)
• M12: 6,833,481 km (0.09 R)
• M13: 7,669,883 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.6

Radius: 8.5

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2 AU - 3.24 AU

Year: 2828 Days

Day: 8.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,460,566 km

• M1: 106,813 km (0.074 R)
• M2: 375,640 km (0.101 R)
• M3: 846,574 km (0.114 R)
• M4: 1,137,093 km (0.064 R)
• M5: 1,465,910 km (0.086 R)
• M6: 2,187,270 km (0.076 R)
• M7: 3,160,105 km (0.1 R)
• M8: 3,595,884 km (0.071 R)
• M9: 3,933,975 km (0.115 R)
• M10: 4,940,918 km (0.092 R)
• M11: 7,218,247 km (0.066 R)
• M12: 7,666,442 km (0.118 R)
• M13: 8,784,387 km (0.084 R)
• M14: 10,228,156 km (0.119 R)
• M15: 11,143,246 km (0.111 R)
• M16: 13,267,536 km (0.077 R)
• M17: 13,623,579 km (0.094 R)
• M18: 14,123,685 km (0.045 R)
• M19: 14,401,488 km (0.065 R)
• M20: 14,777,726 km (0.105 R)
• M21: 15,697,454 km (0.069 R)
• M22: 17,490,833 km (0.055 R)
• M23: 18,136,049 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.6

Radius: 9.6

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.36 AU - 5.18 AU

Year: 6947 Days

Day: 9 Hours

Environment

Temp: -232 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,460,566 km

• M1: 122,072 km (0.101 R)
• M2: 436,377 km (0.079 R)
• M3: 778,807 km (0.105 R)
• M4: 1,129,614 km (0.079 R)
• M5: 2,387,432 km (0.048 R)
• M6: 2,765,616 km (0.085 R)
• M7: 3,096,676 km (0.06 R)
• M8: 4,063,527 km (0.071 R)
• M9: 5,676,192 km (0.115 R)
• M10: 6,298,070 km (0.035 R)
• M11: 6,727,715 km (0.075 R)
• M12: 7,455,659 km (0.104 R)
• M13: 8,404,408 km (0.042 R)
• M14: 9,729,098 km (0.107 R)
• M15: 11,563,915 km (0.064 R)
• M16: 13,524,396 km (0.086 R)
• M17: 14,982,077 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.9

Radius: 4.1

Gravity: 46.63 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.96 AU - 10.86 AU

Year: 17736 Days

Day: 20.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,460,566 km

• M1: 52,210 km (0.052 R)
• M2: 194,328 km (0.108 R)
• M3: 464,950 km (0.11 R)
• M4: 822,040 km (0.03 R)
• M5: 1,463,965 km (0.115 R)
• M6: 1,935,647 km (0.079 R)
• M7: 2,433,957 km (0.071 R)
• M8: 2,786,260 km (0.051 R)
• M9: 3,591,396 km (0.085 R)
• M10: 4,015,805 km (0.096 R)
• M11: 4,175,277 km (0.072 R)
• M12: 4,609,709 km (0.078 R)
• M13: 4,749,134 km (0.078 R)
• M14: 7,057,429 km (0.093 R)
• M15: 11,999,993 km (0.036 R)
• M16: 12,198,061 km (0.032 R)
• M17: 13,574,511 km (0.073 R)
• M18: 13,934,144 km (0.077 R)
• M19: 15,670,826 km (0.096 R)
• M20: 16,387,998 km (0.111 R)
• M21: 19,566,803 km (0.084 R)
• M22: 22,031,129 km (0.105 R)
• M23: 23,031,639 km (0.104 R)
• M24: 23,646,187 km (0.114 R)
• M25: 25,773,918 km (0.079 R)
• M26: 26,771,586 km (0.097 R)
• M27: 27,450,910 km (0.03 R)
• M28: 31,144,631 km (0.096 R)
• M29: 32,276,040 km (0.081 R)
• M30: 32,916,319 km (0.061 R)
• M31: 41,121,911 km (0.054 R)
• M32: 42,025,632 km (0.098 R)
• M33: 45,933,877 km (0.04 R)
• M34: 46,256,709 km (0.066 R)
• M35: 48,558,272 km (0.085 R)
• M36: 49,737,253 km (0.097 R)
• M37: 50,419,419 km (0.106 R)
• M38: 68,091,416 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 18,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit