🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.8

Radius: 8.5

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.85 AU - 1.03 AU

Year: 629 Days

Day: 5.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,027,736 km

• M1: 105,766 km (0.112 R)
• M2: 501,452 km (0.079 R)
• M3: 825,032 km (0.08 R)
• M4: 1,434,045 km (0.036 R)
• M5: 2,197,294 km (0.091 R)
• M6: 2,787,756 km (0.065 R)
• M7: 3,170,428 km (0.119 R)
• M8: 3,440,302 km (0.118 R)
• M9: 3,795,896 km (0.115 R)
• M10: 4,297,797 km (0.092 R)
• M11: 5,115,499 km (0.082 R)
• M12: 6,209,359 km (0.065 R)
• M13: 6,779,925 km (0.1 R)
• M14: 7,056,532 km (0.087 R)
• M15: 7,340,618 km (0.084 R)
• M16: 7,723,738 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.8

Radius: 13.5

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.08 AU - 1.46 AU

Year: 988 Days

Day: 6.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,027,736 km

• M1: 169,494 km (0.073 R)
• M2: 688,749 km (0.063 R)
• M3: 1,793,230 km (0.109 R)
• M4: 3,141,555 km (0.069 R)
• M5: 4,031,513 km (0.045 R)
• M6: 4,509,628 km (0.102 R)
• M7: 5,160,827 km (0.102 R)
• M8: 5,959,680 km (0.074 R)
• M9: 7,829,953 km (0.079 R)
• M10: 9,316,357 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.2

Radius: 10.2

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.3 AU - 1.42 AU

Year: 1095 Days

Day: 5.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,027,736 km

• M1: 127,009 km (0.075 R)
• M2: 616,792 km (0.115 R)
• M3: 1,200,673 km (0.111 R)
• M4: 1,593,217 km (0.115 R)
• M5: 2,267,156 km (0.105 R)
• M6: 2,763,372 km (0.115 R)
• M7: 3,145,445 km (0.066 R)
• M8: 3,536,494 km (0.067 R)
• M9: 5,297,859 km (0.059 R)
• M10: 5,688,609 km (0.084 R)
• M11: 6,136,804 km (0.077 R)
• M12: 7,125,496 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.8

Radius: 14.3

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.27 AU - 4.39 AU

Year: 5174 Days

Day: 10.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,027,736 km

• M1: 177,872 km (0.093 R)
• M2: 807,679 km (0.096 R)
• M3: 1,456,036 km (0.083 R)
• M4: 2,797,331 km (0.11 R)
• M5: 3,281,728 km (0.032 R)
• M6: 6,079,059 km (0.088 R)
• M7: 6,953,907 km (0.082 R)
• M8: 10,834,327 km (0.057 R)
• M9: 12,081,674 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.9

Radius: 5.7

Gravity: 22.47 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.85 AU - 9.17 AU

Year: 14206 Days

Day: 15.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 39,027,736 km

• M1: 70,909 km (0.051 R)
• M2: 271,221 km (0.089 R)
• M3: 455,825 km (0.1 R)
• M4: 711,188 km (0.088 R)
• M5: 1,119,890 km (0.109 R)
• M6: 1,876,556 km (0.067 R)
• M7: 2,172,759 km (0.093 R)
• M8: 2,394,164 km (0.108 R)
• M9: 2,859,115 km (0.115 R)
• M10: 3,175,813 km (0.068 R)
• M11: 4,176,174 km (0.101 R)
• M12: 5,371,012 km (0.099 R)
• M13: 7,982,542 km (0.043 R)
• M14: 8,220,253 km (0.064 R)
• M15: 8,810,417 km (0.061 R)
• M16: 11,575,734 km (0.116 R)
• M17: 12,253,562 km (0.114 R)
• M18: 12,762,942 km (0.057 R)
• M19: 15,968,974 km (0.101 R)
• M20: 17,436,829 km (0.09 R)
• M21: 20,996,211 km (0.11 R)
• M22: 24,012,702 km (0.071 R)
• M23: 27,629,231 km (0.044 R)
• M24: 29,060,134 km (0.091 R)
• M25: 30,888,071 km (0.117 R)
• M26: 31,949,318 km (0.091 R)
• M27: 37,224,588 km (0.101 R)
• M28: 38,831,867 km (0.105 R)
• M29: 41,046,365 km (0.099 R)
• M30: 41,328,955 km (0.055 R)
• M31: 47,102,086 km (0.114 R)
• M32: 48,981,036 km (0.081 R)
• M33: 49,939,060 km (0.116 R)
• M34: 60,580,107 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.1

Radius: 6.8

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 8.04 AU - 9.66 AU

Year: 18173 Days

Day: 23.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,027,736 km

• M1: 84,822 km (0.057 R)
• M2: 605,423 km (0.115 R)
• M3: 883,824 km (0.113 R)
• M4: 1,144,723 km (0.105 R)
• M5: 2,864,051 km (0.086 R)
• M6: 3,551,902 km (0.069 R)
• M7: 3,775,551 km (0.052 R)
• M8: 5,250,137 km (0.093 R)
• M9: 10,426,523 km (0.094 R)
• M10: 12,605,865 km (0.042 R)
• M11: 18,004,553 km (0.105 R)
• M12: 19,518,184 km (0.11 R)
• M13: 20,129,141 km (0.1 R)
• M14: 22,038,310 km (0.112 R)
• M15: 36,608,544 km (0.037 R)
• M16: 37,537,098 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.1

Radius: 6.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 8.57 AU - 10.53 AU

Year: 20371 Days

Day: 22.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,027,736 km

• M1: 97,987 km (0.102 R)
• M2: 360,232 km (0.101 R)
• M3: 809,324 km (0.05 R)
• M4: 2,187,869 km (0.099 R)
• M5: 2,595,673 km (0.078 R)
• M6: 2,847,895 km (0.074 R)
• M7: 3,246,124 km (0.085 R)
• M8: 7,604,509 km (0.071 R)
• M9: 8,665,606 km (0.032 R)
• M10: 10,055,819 km (0.11 R)
• M11: 10,779,275 km (0.116 R)
• M12: 11,797,288 km (0.116 R)
• M13: 20,098,324 km (0.037 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 16,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit