🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.8

Radius: 15

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.5 AU - 0.52 AU

Year: 251 Days

Day: 11.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 34,798,160 km

• M1: 186,549 km (0.076 R)
• M2: 677,678 km (0.078 R)
• M3: 1,175,690 km (0.025 R)
• M4: 2,073,127 km (0.098 R)
• M5: 2,843,407 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.4

Radius: 8.7

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.6 AU - 0.68 AU

Year: 353 Days

Day: 10.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,798,160 km

• M1: 109,506 km (0.098 R)
• M2: 383,868 km (0.08 R)
• M3: 1,016,069 km (0.115 R)
• M4: 1,291,179 km (0.052 R)
• M5: 1,687,314 km (0.102 R)
• M6: 1,997,580 km (0.041 R)
• M7: 2,565,903 km (0.098 R)
• M8: 3,077,079 km (0.088 R)
• M9: 3,352,189 km (0.118 R)
• M10: 3,632,535 km (0.105 R)
• M11: 4,046,772 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896

Radius: 8.5

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.05 AU - 1.17 AU

Year: 807 Days

Day: 13.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,798,160 km

• M1: 106,364 km (0.089 R)
• M2: 397,033 km (0.059 R)
• M3: 671,395 km (0.096 R)
• M4: 959,222 km (0.096 R)
• M5: 2,304,106 km (0.055 R)
• M6: 2,741,082 km (0.115 R)
• M7: 3,218,748 km (0.049 R)
• M8: 4,323,977 km (0.086 R)
• M9: 5,046,086 km (0.073 R)
• M10: 5,485,156 km (0.11 R)
• M11: 5,846,285 km (0.103 R)
• M12: 9,361,835 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.2

Radius: 10.9

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.48 AU - 1.64 AU

Year: 1345 Days

Day: 6.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,798,160 km

• M1: 135,536 km (0.104 R)
• M2: 488,138 km (0.071 R)
• M3: 1,049,728 km (0.111 R)
• M4: 1,671,158 km (0.056 R)
• M5: 2,017,327 km (0.113 R)
• M6: 2,537,629 km (0.12 R)
• M7: 2,899,955 km (0.118 R)
• M8: 4,424,207 km (0.105 R)
• M9: 4,852,057 km (0.111 R)
• M10: 6,067,690 km (0.095 R)
• M11: 8,548,621 km (0.098 R)
• M12: 8,907,805 km (0.034 R)
• M13: 10,112,517 km (0.113 R)
• M14: 10,857,963 km (0.117 R)
• M15: 11,279,829 km (0.118 R)
• M16: 12,458,511 km (0.03 R)
• M17: 13,038,352 km (0.102 R)
• M18: 13,475,028 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.9

Radius: 9

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.33 AU - 1.87 AU

Year: 1397 Days

Day: 14 Hours

Environment

Temp: -186 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,798,160 km

• M1: 111,899 km (0.099 R)
• M2: 578,944 km (0.06 R)
• M3: 972,237 km (0.119 R)
• M4: 1,565,392 km (0.083 R)
• M5: 2,564,706 km (0.07 R)
• M6: 3,101,164 km (0.046 R)
• M7: 3,503,881 km (0.045 R)
• M8: 5,534,373 km (0.08 R)
• M9: 7,181,745 km (0.03 R)
• M10: 7,763,830 km (0.064 R)
• M11: 8,615,192 km (0.102 R)
• M12: 9,077,449 km (0.096 R)
• M13: 9,442,019 km (0.111 R)
• M14: 9,816,313 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.3

Radius: 10.8

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3 AU - 3.3 AU

Year: 3859 Days

Day: 7.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,798,160 km

• M1: 134,339 km (0.084 R)
• M2: 474,375 km (0.089 R)
• M3: 937,829 km (0.065 R)
• M4: 1,547,740 km (0.117 R)
• M5: 2,733,751 km (0.036 R)
• M6: 3,299,381 km (0.089 R)
• M7: 4,375,289 km (0.067 R)
• M8: 5,020,505 km (0.107 R)
• M9: 6,046,596 km (0.097 R)
• M10: 6,469,360 km (0.111 R)
• M11: 8,510,324 km (0.036 R)
• M12: 10,599,159 km (0.071 R)
• M13: 11,305,410 km (0.08 R)
• M14: 12,423,206 km (0.055 R)
• M15: 13,613,257 km (0.115 R)
• M16: 15,095,921 km (0.114 R)
• M17: 16,161,507 km (0.077 R)
• M18: 18,006,797 km (0.065 R)
• M19: 19,012,393 km (0.041 R)
• M20: 20,388,395 km (0.114 R)
• M21: 22,683,076 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866

Radius: 11.3

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.06 AU - 4.92 AU

Year: 5501 Days

Day: 12.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,798,160 km

• M1: 143,913 km (0.119 R)
• M2: 519,703 km (0.102 R)
• M3: 1,172,997 km (0.103 R)
• M4: 2,027,350 km (0.05 R)
• M5: 2,782,371 km (0.037 R)
• M6: 3,854,838 km (0.116 R)
• M7: 4,420,916 km (0.109 R)
• M8: 4,819,445 km (0.077 R)
• M9: 5,242,059 km (0.118 R)
• M10: 8,724,249 km (0.099 R)
• M11: 12,233,067 km (0.106 R)
• M12: 12,649,996 km (0.103 R)
• M13: 13,293,267 km (0.117 R)
• M14: 14,703,376 km (0.063 R)
• M15: 15,174,909 km (0.056 R)
• M16: 16,841,728 km (0.063 R)
• M17: 17,620,385 km (0.082 R)
• M18: 18,902,140 km (0.09 R)
• M19: 19,601,360 km (0.111 R)
• M20: 24,655,524 km (0.074 R)
• M21: 30,421,625 km (0.082 R)
• M22: 31,967,719 km (0.08 R)
• M23: 34,178,027 km (0.098 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 17,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit