🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.7

Radius: 13.3

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.78 AU - 2.42 AU

Year: 1965 Days

Day: 5.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,326,580 km

• M1: 165,455 km (0.111 R)
• M2: 605,273 km (0.075 R)
• M3: 1,087,726 km (0.053 R)
• M4: 1,543,551 km (0.054 R)
• M5: 2,201,482 km (0.106 R)
• M6: 2,617,963 km (0.069 R)
• M7: 3,166,089 km (0.088 R)
• M8: 3,596,632 km (0.119 R)
• M9: 4,805,981 km (0.037 R)
• M10: 5,897,447 km (0.102 R)
• M11: 6,633,170 km (0.091 R)
• M12: 7,895,327 km (0.1 R)
• M13: 9,048,427 km (0.082 R)
• M14: 9,512,929 km (0.039 R)
• M15: 11,040,323 km (0.104 R)
• M16: 12,359,477 km (0.077 R)
• M17: 13,057,351 km (0.055 R)
• M18: 14,621,845 km (0.074 R)
• M19: 15,402,746 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.8

Radius: 11.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4 AU - 4.3 AU

Year: 5459 Days

Day: 14.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,326,580 km

• M1: 140,622 km (0.116 R)
• M2: 548,725 km (0.047 R)
• M3: 1,680,433 km (0.058 R)
• M4: 2,066,545 km (0.099 R)
• M5: 4,071,904 km (0.107 R)
• M6: 4,867,167 km (0.105 R)
• M7: 6,356,713 km (0.076 R)
• M8: 7,134,023 km (0.079 R)
• M9: 7,636,223 km (0.088 R)
• M10: 8,130,345 km (0.104 R)
• M11: 11,200,243 km (0.072 R)
• M12: 14,780,569 km (0.092 R)
• M13: 17,166,356 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.1

Radius: 14.9

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.28 AU - 6.14 AU

Year: 8810 Days

Day: 11.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,326,580 km

• M1: 185,801 km (0.113 R)
• M2: 671,395 km (0.035 R)
• M3: 1,166,415 km (0.074 R)
• M4: 2,367,237 km (0.118 R)
• M5: 2,870,334 km (0.116 R)
• M6: 3,424,894 km (0.057 R)
• M7: 4,960,665 km (0.072 R)
• M8: 7,566,959 km (0.096 R)
• M9: 8,908,404 km (0.12 R)
• M10: 10,982,279 km (0.029 R)
• M11: 12,549,616 km (0.071 R)
• M12: 17,766,243 km (0.093 R)
• M13: 20,676,221 km (0.055 R)
• M14: 21,166,902 km (0.094 R)
• M15: 21,881,381 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.3

Radius: 10.4

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.9 AU - 6.8 AU

Year: 9136 Days

Day: 14.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,326,580 km

• M1: 129,402 km (0.115 R)
• M2: 507,436 km (0.084 R)
• M3: 1,045,091 km (0.099 R)
• M4: 1,512,883 km (0.057 R)
• M5: 1,956,740 km (0.069 R)
• M6: 2,323,405 km (0.118 R)
• M7: 4,813,611 km (0.106 R)
• M8: 6,403,238 km (0.083 R)
• M9: 8,064,223 km (0.068 R)
• M10: 10,385,982 km (0.079 R)
• M11: 11,146,089 km (0.069 R)
• M12: 11,513,351 km (0.11 R)
• M13: 15,000,777 km (0.114 R)
• M14: 16,915,330 km (0.079 R)
• M15: 23,629,881 km (0.053 R)
• M16: 27,715,100 km (0.117 R)
• M17: 29,773,267 km (0.104 R)
• M18: 38,789,381 km (0.118 R)
• M19: 39,512,687 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.6

Radius: 5

Gravity: 39.34 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.36 AU - 8.72 AU

Year: 16114 Days

Day: 20.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,326,580 km

• M1: 63,280 km (0.062 R)
• M2: 248,931 km (0.052 R)
• M3: 810,521 km (0.042 R)
• M4: 977,622 km (0.112 R)
• M5: 1,236,576 km (0.087 R)
• M6: 1,873,414 km (0.108 R)
• M7: 3,138,414 km (0.066 R)
• M8: 3,469,623 km (0.1 R)
• M9: 3,978,406 km (0.096 R)
• M10: 4,366,612 km (0.044 R)
• M11: 4,639,030 km (0.086 R)
• M12: 4,959,169 km (0.07 R)
• M13: 6,049,439 km (0.107 R)
• M14: 6,650,673 km (0.115 R)
• M15: 7,625,901 km (0.115 R)
• M16: 8,275,156 km (0.117 R)
• M17: 9,179,176 km (0.105 R)
• M18: 9,740,617 km (0.094 R)
• M19: 10,206,016 km (0.083 R)
• M20: 10,808,446 km (0.034 R)
• M21: 10,993,798 km (0.113 R)
• M22: 11,244,075 km (0.068 R)
• M23: 11,434,364 km (0.033 R)
• M24: 14,033,776 km (0.1 R)
• M25: 15,863,807 km (0.097 R)
• M26: 18,280,261 km (0.112 R)
• M27: 21,316,051 km (0.114 R)
• M28: 24,247,122 km (0.079 R)
• M29: 28,012,800 km (0.073 R)
• M30: 40,116,913 km (0.073 R)
• M31: 42,219,361 km (0.119 R)
• M32: 45,830,953 km (0.07 R)
• M33: 51,190,596 km (0.061 R)
• M34: 53,125,345 km (0.036 R)
• M35: 56,025,749 km (0.108 R)
• M36: 57,702,591 km (0.043 R)
• M37: 63,533,767 km (0.045 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 14,629 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit