🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.6

Radius: 13.2

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.56 AU - 0.58 AU

Year: 297 Days

Day: 13.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,764,363 km

• M1: 164,258 km (0.112 R)
• M2: 583,432 km (0.082 R)
• M3: 1,004,849 km (0.105 R)
• M4: 1,451,548 km (0.112 R)
• M5: 1,996,234 km (0.113 R)
• M6: 2,436,501 km (0.103 R)
• M7: 3,310,750 km (0.074 R)
• M8: 3,898,670 km (0.086 R)
• M9: 4,662,966 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.2

Radius: 12.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.54 AU - 0.78 AU

Year: 370 Days

Day: 14.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 102.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,764,363 km

• M1: 150,495 km (0.077 R)
• M2: 571,165 km (0.101 R)
• M3: 963,261 km (0.075 R)
• M4: 1,342,641 km (0.109 R)
• M5: 1,824,795 km (0.075 R)
• M6: 2,286,155 km (0.102 R)
• M7: 2,664,338 km (0.113 R)
• M8: 3,606,505 km (0.075 R)
• M9: 4,566,924 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.8

Radius: 11

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1 AU - 1.54 AU

Year: 988 Days

Day: 14.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,764,363 km

• M1: 136,732 km (0.102 R)
• M2: 594,203 km (0.035 R)
• M3: 996,621 km (0.057 R)
• M4: 1,567,636 km (0.107 R)
• M5: 1,914,703 km (0.054 R)
• M6: 2,393,566 km (0.032 R)
• M7: 3,702,099 km (0.091 R)
• M8: 4,648,455 km (0.085 R)
• M9: 5,984,364 km (0.12 R)
• M10: 6,895,265 km (0.064 R)
• M11: 7,309,502 km (0.097 R)
• M12: 7,870,194 km (0.052 R)
• M13: 8,404,558 km (0.118 R)
• M14: 8,792,914 km (0.069 R)
• M15: 9,456,979 km (0.115 R)
• M16: 10,278,870 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.2

Radius: 12.7

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.73 AU - 4.19 AU

Year: 4442 Days

Day: 5.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,764,363 km

• M1: 157,975 km (0.095 R)
• M2: 744,848 km (0.117 R)
• M3: 1,805,497 km (0.098 R)
• M4: 2,259,077 km (0.057 R)
• M5: 2,656,409 km (0.062 R)
• M6: 3,265,572 km (0.047 R)
• M7: 3,909,142 km (0.101 R)
• M8: 4,529,824 km (0.039 R)
• M9: 5,571,473 km (0.088 R)
• M10: 6,906,335 km (0.086 R)
• M11: 7,514,301 km (0.101 R)
• M12: 8,348,010 km (0.095 R)
• M13: 9,449,798 km (0.11 R)
• M14: 10,950,863 km (0.094 R)
• M15: 12,818,294 km (0.054 R)
• M16: 13,603,832 km (0.099 R)
• M17: 15,856,178 km (0.082 R)
• M18: 16,659,368 km (0.096 R)
• M19: 18,238,224 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.6

Radius: 11.3

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.6 AU - 4.34 AU

Year: 4462 Days

Day: 14 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,764,363 km

• M1: 142,268 km (0.119 R)
• M2: 504,294 km (0.115 R)
• M3: 1,507,348 km (0.12 R)
• M4: 2,518,480 km (0.079 R)
• M5: 2,924,339 km (0.085 R)
• M6: 3,295,940 km (0.044 R)
• M7: 3,934,873 km (0.102 R)
• M8: 4,654,738 km (0.105 R)
• M9: 5,351,265 km (0.109 R)
• M10: 5,940,232 km (0.094 R)
• M11: 7,619,917 km (0.098 R)
• M12: 8,040,437 km (0.099 R)
• M13: 10,296,672 km (0.098 R)
• M14: 10,942,935 km (0.112 R)
• M15: 13,144,267 km (0.041 R)
• M16: 15,794,244 km (0.084 R)
• M17: 18,094,610 km (0.113 R)
• M18: 19,681,694 km (0.11 R)
• M19: 21,221,954 km (0.086 R)
• M20: 25,538,451 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.3

Radius: 5.2

Gravity: 28.04 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.56 AU - 11.32 AU

Year: 20020 Days

Day: 20.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,764,363 km

• M1: 64,776 km (0.106 R)
• M2: 237,561 km (0.106 R)
• M3: 451,337 km (0.118 R)
• M4: 902,674 km (0.081 R)
• M5: 1,222,065 km (0.06 R)
• M6: 1,792,332 km (0.074 R)
• M7: 2,816,479 km (0.105 R)
• M8: 3,240,439 km (0.091 R)
• M9: 4,214,920 km (0.113 R)
• M10: 4,841,585 km (0.065 R)
• M11: 6,021,165 km (0.052 R)
• M12: 7,477,949 km (0.057 R)
• M13: 8,028,619 km (0.083 R)
• M14: 8,445,847 km (0.105 R)
• M15: 10,381,943 km (0.067 R)
• M16: 13,229,837 km (0.047 R)
• M17: 14,948,268 km (0.118 R)
• M18: 15,579,272 km (0.07 R)
• M19: 15,820,424 km (0.047 R)
• M20: 16,310,207 km (0.092 R)
• M21: 17,578,947 km (0.102 R)
• M22: 18,281,757 km (0.089 R)
• M23: 22,383,432 km (0.116 R)
• M24: 23,208,614 km (0.084 R)
• M25: 26,030,777 km (0.089 R)
• M26: 26,370,514 km (0.073 R)
• M27: 27,058,664 km (0.101 R)
• M28: 31,059,211 km (0.1 R)
• M29: 33,266,079 km (0.104 R)
• M30: 34,204,506 km (0.045 R)
• M31: 40,661,898 km (0.09 R)
• M32: 48,225,716 km (0.112 R)
• M33: 51,000,308 km (0.092 R)
• M34: 51,710,150 km (0.107 R)
• M35: 59,175,233 km (0.051 R)
• M36: 63,163,363 km (0.072 R)
• M37: 65,640,255 km (0.087 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 10,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit