🌌 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: 707.7

Radius: 14.3

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.59 AU - 0.87 AU

Year: 431 Days

Day: 7.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,476,713 km

• M1: 177,872 km (0.108 R)
• M2: 649,853 km (0.108 R)
• M3: 1,670,410 km (0.088 R)
• M4: 2,270,896 km (0.095 R)
• M5: 2,763,073 km (0.092 R)
• M6: 3,303,719 km (0.102 R)
• M7: 3,787,070 km (0.093 R)
• M8: 4,373,344 km (0.105 R)
• M9: 5,035,464 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.7

Radius: 8.1

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.15 AU - 1.73 AU

Year: 1193 Days

Day: 7.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,476,713 km

• M1: 101,278 km (0.107 R)
• M2: 362,176 km (0.084 R)
• M3: 642,373 km (0.107 R)
• M4: 967,449 km (0.069 R)
• M5: 1,317,209 km (0.069 R)
• M6: 1,805,646 km (0.118 R)
• M7: 2,191,758 km (0.034 R)
• M8: 2,727,169 km (0.072 R)
• M9: 3,142,303 km (0.12 R)
• M10: 3,396,320 km (0.054 R)
• M11: 3,973,619 km (0.104 R)
• M12: 5,990,796 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.4

Radius: 11.1

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.53 AU - 5.21 AU

Year: 7418 Days

Day: 14.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,476,713 km

• M1: 156,479 km (0.11 R)
• M2: 643,869 km (0.119 R)
• M3: 1,037,611 km (0.119 R)
• M4: 1,687,314 km (0.118 R)
• M5: 2,168,122 km (0.075 R)
• M6: 2,592,232 km (0.1 R)
• M7: 2,951,267 km (0.066 R)
• M8: 4,209,684 km (0.034 R)
• M9: 6,248,853 km (0.09 R)
• M10: 8,420,864 km (0.097 R)
• M11: 10,292,184 km (0.114 R)
• M12: 12,216,162 km (0.08 R)
• M13: 14,839,959 km (0.094 R)
• M14: 19,128,781 km (0.073 R)
• M15: 20,873,989 km (0.116 R)
• M16: 24,097,075 km (0.068 R)
• M17: 24,678,712 km (0.055 R)
• M18: 25,184,802 km (0.107 R)
• M19: 28,551,651 km (0.093 R)
• M20: 32,913,327 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.3

Radius: 11.8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.92 AU - 5.56 AU

Year: 8280 Days

Day: 10.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,476,713 km

• M1: 147,055 km (0.098 R)
• M2: 524,191 km (0.092 R)
• M3: 2,885,145 km (0.115 R)
• M4: 3,857,830 km (0.107 R)
• M5: 5,299,804 km (0.116 R)
• M6: 5,916,297 km (0.116 R)
• M7: 6,894,816 km (0.106 R)
• M8: 7,516,844 km (0.115 R)
• M9: 9,000,107 km (0.117 R)
• M10: 9,388,762 km (0.032 R)
• M11: 10,433,255 km (0.105 R)
• M12: 12,116,979 km (0.099 R)
• M13: 16,588,309 km (0.046 R)
• M14: 18,317,511 km (0.101 R)
• M15: 19,368,287 km (0.1 R)
• M16: 21,513,221 km (0.108 R)
• M17: 24,725,237 km (0.038 R)
• M18: 28,335,931 km (0.077 R)
• M19: 28,985,784 km (0.093 R)
• M20: 30,897,196 km (0.066 R)
• M21: 31,289,292 km (0.061 R)
• M22: 36,257,886 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.1

Radius: 3.2

Gravity: 72.57 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.84 AU - 7.1 AU

Year: 10069 Days

Day: 21.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,476,713 km

• M1: 40,391 km (0.107 R)
• M2: 216,917 km (0.09 R)
• M3: 447,298 km (0.091 R)
• M4: 749,186 km (0.106 R)
• M5: 1,079,199 km (0.1 R)
• M6: 1,512,584 km (0.038 R)
• M7: 1,629,570 km (0.067 R)
• M8: 1,965,716 km (0.115 R)
• M9: 2,123,243 km (0.065 R)
• M10: 2,817,227 km (0.069 R)
• M11: 3,109,841 km (0.04 R)
• M12: 3,348,300 km (0.117 R)
• M13: 3,702,547 km (0.088 R)
• M14: 5,371,611 km (0.093 R)
• M15: 7,112,032 km (0.112 R)
• M16: 7,275,543 km (0.116 R)
• M17: 7,738,099 km (0.111 R)
• M18: 7,867,651 km (0.035 R)
• M19: 10,244,761 km (0.051 R)
• M20: 17,584,631 km (0.104 R)
• M21: 20,481,594 km (0.091 R)
• M22: 22,609,325 km (0.106 R)
• M23: 27,698,644 km (0.074 R)
• M24: 29,341,229 km (0.097 R)
• M25: 31,047,692 km (0.038 R)
• M26: 38,035,857 km (0.08 R)
• M27: 44,052,384 km (0.092 R)
• M28: 45,299,282 km (0.072 R)
• M29: 49,328,551 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 15,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit