🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.9

Radius: 9.3

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.61 AU - 0.85 AU

Year: 438 Days

Day: 14.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,110,309 km

• M1: 115,938 km (0.074 R)
• M2: 405,859 km (0.096 R)
• M3: 709,244 km (0.103 R)
• M4: 1,010,534 km (0.103 R)
• M5: 1,316,760 km (0.107 R)
• M6: 1,678,339 km (0.046 R)
• M7: 2,097,362 km (0.116 R)
• M8: 2,545,258 km (0.104 R)
• M9: 3,090,094 km (0.06 R)
• M10: 3,507,621 km (0.088 R)
• M11: 3,855,137 km (0.12 R)
• M12: 4,282,538 km (0.085 R)
• M13: 4,849,215 km (0.061 R)
• M14: 5,331,369 km (0.063 R)
• M15: 5,845,238 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.7

Radius: 9

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.35 AU - 2.87 AU

Year: 2964 Days

Day: 10.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,110,309 km

• M1: 111,899 km (0.098 R)
• M2: 510,727 km (0.064 R)
• M3: 2,145,084 km (0.106 R)
• M4: 2,829,345 km (0.045 R)
• M5: 3,127,343 km (0.045 R)
• M6: 3,846,012 km (0.087 R)
• M7: 4,693,484 km (0.053 R)
• M8: 5,381,933 km (0.109 R)
• M9: 6,109,128 km (0.115 R)
• M10: 6,929,673 km (0.102 R)
• M11: 7,290,054 km (0.098 R)
• M12: 8,279,195 km (0.107 R)
• M13: 9,721,468 km (0.113 R)
• M14: 11,910,085 km (0.094 R)
• M15: 12,384,161 km (0.074 R)
• M16: 15,959,849 km (0.106 R)
• M17: 17,126,712 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.9

Radius: 11.3

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.68 AU - 5.24 AU

Year: 6621 Days

Day: 14.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,110,309 km

• M1: 143,614 km (0.088 R)
• M2: 606,619 km (0.04 R)
• M3: 1,325,288 km (0.059 R)
• M4: 2,043,806 km (0.106 R)
• M5: 2,450,413 km (0.111 R)
• M6: 3,644,803 km (0.071 R)
• M7: 4,446,946 km (0.053 R)
• M8: 7,140,606 km (0.103 R)
• M9: 7,787,467 km (0.106 R)
• M10: 9,747,648 km (0.085 R)
• M11: 13,949,253 km (0.075 R)
• M12: 16,201,599 km (0.115 R)
• M13: 17,003,444 km (0.11 R)
• M14: 17,446,104 km (0.089 R)
• M15: 20,194,965 km (0.095 R)
• M16: 21,196,373 km (0.118 R)
• M17: 21,783,245 km (0.086 R)
• M18: 28,705,737 km (0.052 R)
• M19: 29,696,973 km (0.069 R)
• M20: 30,154,892 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.8

Radius: 6.1

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.45 AU - 8.77 AU

Year: 16235 Days

Day: 16.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,110,309 km

• M1: 76,594 km (0.043 R)
• M2: 443,109 km (0.114 R)
• M3: 773,720 km (0.086 R)
• M4: 1,740,122 km (0.036 R)
• M5: 2,153,013 km (0.087 R)
• M6: 3,081,417 km (0.102 R)
• M7: 7,026,612 km (0.101 R)
• M8: 7,349,145 km (0.097 R)
• M9: 9,692,446 km (0.113 R)
• M10: 13,206,500 km (0.092 R)
• M11: 16,481,197 km (0.11 R)
• M12: 20,098,175 km (0.082 R)
• M13: 26,078,948 km (0.109 R)
• M14: 42,044,631 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 18,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit