🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.7

Radius: 11.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.51 AU - 0.83 AU

Year: 372 Days

Day: 7.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,169,691 km

• M1: 146,008 km (0.095 R)
• M2: 524,341 km (0.076 R)
• M3: 1,045,240 km (0.086 R)
• M4: 1,468,154 km (0.118 R)
• M5: 1,840,951 km (0.11 R)
• M6: 2,692,014 km (0.027 R)
• M7: 3,218,000 km (0.113 R)
• M8: 3,753,859 km (0.03 R)
• M9: 4,387,257 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.7

Radius: 9.5

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.92 AU - 1.2 AU

Year: 740 Days

Day: 9 Hours

Environment

Temp: -184 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,169,691 km

• M1: 118,182 km (0.06 R)
• M2: 441,613 km (0.072 R)
• M3: 813,364 km (0.081 R)
• M4: 1,249,142 km (0.073 R)
• M5: 1,713,344 km (0.077 R)
• M6: 2,459,688 km (0.048 R)
• M7: 3,261,533 km (0.092 R)
• M8: 3,766,126 km (0.043 R)
• M9: 4,698,720 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.8

Radius: 13

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.18 AU - 1.54 AU

Year: 1076 Days

Day: 8.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 178.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,169,691 km

• M1: 165,006 km (0.067 R)
• M2: 771,327 km (0.12 R)
• M3: 1,282,503 km (0.059 R)
• M4: 1,953,898 km (0.114 R)
• M5: 2,399,400 km (0.12 R)
• M6: 3,332,293 km (0.08 R)
• M7: 3,792,007 km (0.115 R)
• M8: 4,409,996 km (0.074 R)
• M9: 4,948,398 km (0.026 R)
• M10: 5,569,529 km (0.09 R)
• M11: 6,413,410 km (0.1 R)
• M12: 7,106,497 km (0.118 R)
• M13: 7,799,734 km (0.088 R)
• M14: 8,226,836 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.6

Radius: 11.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.98 AU - 2.06 AU

Year: 1947 Days

Day: 10.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,169,691 km

• M1: 139,276 km (0.026 R)
• M2: 707,897 km (0.109 R)
• M3: 1,175,690 km (0.087 R)
• M4: 1,776,774 km (0.091 R)
• M5: 2,345,695 km (0.108 R)
• M6: 3,167,585 km (0.045 R)
• M7: 3,920,063 km (0.078 R)
• M8: 5,013,623 km (0.114 R)
• M9: 6,300,015 km (0.053 R)
• M10: 7,851,345 km (0.049 R)
• M11: 8,884,169 km (0.105 R)
• M12: 10,933,061 km (0.057 R)
• M13: 11,842,167 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114

Radius: 9.4

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.82 AU - 2.82 AU

Year: 2397 Days

Day: 8.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,169,691 km

• M1: 119,529 km (0.087 R)
• M2: 533,466 km (0.103 R)
• M3: 1,208,302 km (0.074 R)
• M4: 1,901,987 km (0.043 R)
• M5: 2,728,366 km (0.099 R)
• M6: 4,636,786 km (0.109 R)
• M7: 6,647,980 km (0.095 R)
• M8: 6,969,914 km (0.026 R)
• M9: 7,595,533 km (0.113 R)
• M10: 7,922,105 km (0.094 R)
• M11: 9,153,744 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.9

Radius: 7.8

Gravity: 16.27 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.3 AU - 10.52 AU

Year: 19578 Days

Day: 17.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,169,691 km

• M1: 96,939 km (0.114 R)
• M2: 394,490 km (0.083 R)
• M3: 784,940 km (0.114 R)
• M4: 1,436,588 km (0.116 R)
• M5: 3,253,454 km (0.073 R)
• M6: 3,545,470 km (0.083 R)
• M7: 4,528,627 km (0.119 R)
• M8: 5,160,827 km (0.087 R)
• M9: 5,682,924 km (0.099 R)
• M10: 6,373,318 km (0.108 R)
• M11: 9,233,330 km (0.098 R)
• M12: 10,309,537 km (0.076 R)
• M13: 12,146,450 km (0.091 R)
• M14: 13,142,173 km (0.07 R)
• M15: 13,659,931 km (0.076 R)
• M16: 14,038,115 km (0.08 R)
• M17: 14,345,538 km (0.108 R)
• M18: 19,515,192 km (0.092 R)
• M19: 23,685,083 km (0.1 R)
• M20: 27,564,754 km (0.079 R)
• M21: 29,153,783 km (0.117 R)
• M22: 29,654,786 km (0.104 R)
• M23: 32,113,128 km (0.068 R)
• M24: 33,323,674 km (0.117 R)
• M25: 40,298,076 km (0.063 R)
• M26: 42,662,321 km (0.11 R)
• M27: 43,145,971 km (0.04 R)
• M28: 48,011,941 km (0.078 R)
• M29: 49,238,942 km (0.119 R)
• M30: 66,493,710 km (0.052 R)
• M31: 76,223,556 km (0.119 R)
• M32: 78,373,427 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.2

Radius: 7.4

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.97 AU - 12.97 AU

Year: 22978 Days

Day: 18.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,169,691 km

• M1: 109,805 km (0.114 R)
• M2: 530,025 km (0.077 R)
• M3: 909,555 km (0.117 R)
• M4: 1,143,077 km (0.1 R)
• M5: 1,507,797 km (0.114 R)
• M6: 1,985,762 km (0.067 R)
• M7: 2,219,883 km (0.111 R)
• M8: 2,744,223 km (0.103 R)
• M9: 2,985,973 km (0.069 R)
• M10: 3,294,744 km (0.104 R)
• M11: 3,768,969 km (0.055 R)
• M12: 4,287,625 km (0.106 R)
• M13: 5,171,898 km (0.109 R)
• M14: 5,930,808 km (0.055 R)
• M15: 6,848,890 km (0.1 R)
• M16: 7,296,337 km (0.04 R)
• M17: 7,668,088 km (0.086 R)
• M18: 12,699,513 km (0.038 R)
• M19: 14,360,049 km (0.105 R)
• M20: 15,850,343 km (0.095 R)
• M21: 16,238,400 km (0.111 R)
• M22: 18,274,876 km (0.059 R)
• M23: 19,932,121 km (0.1 R)
• M24: 20,475,760 km (0.045 R)
• M25: 20,751,169 km (0.094 R)
• M26: 24,767,872 km (0.114 R)
• M27: 25,185,550 km (0.104 R)
• M28: 25,927,705 km (0.097 R)
• M29: 28,927,291 km (0.117 R)
• M30: 34,298,304 km (0.114 R)
• M31: 47,923,079 km (0.084 R)
• M32: 59,573,014 km (0.047 R)
• M33: 62,996,561 km (0.083 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 10,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit