🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.6

Radius: 12.4

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.71 AU - 1.11 AU

Year: 561 Days

Day: 10.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,220,865 km

• M1: 154,535 km (0.108 R)
• M2: 611,107 km (0.096 R)
• M3: 1,067,530 km (0.068 R)
• M4: 2,346,891 km (0.112 R)
• M5: 2,996,296 km (0.107 R)
• M6: 3,590,648 km (0.084 R)
• M7: 4,417,176 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.3

Radius: 13.3

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.12 AU - 1.3 AU

Year: 859 Days

Day: 9.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 79 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,220,865 km

• M1: 165,455 km (0.089 R)
• M2: 599,588 km (0.045 R)
• M3: 1,104,182 km (0.109 R)
• M4: 1,642,285 km (0.086 R)
• M5: 2,276,580 km (0.078 R)
• M6: 3,094,432 km (0.112 R)
• M7: 4,027,923 km (0.079 R)
• M8: 4,490,928 km (0.115 R)
• M9: 5,192,392 km (0.083 R)
• M10: 5,797,815 km (0.113 R)
• M11: 6,529,947 km (0.102 R)
• M12: 7,322,965 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.9

Radius: 13.2

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.6 AU - 1.96 AU

Year: 1533 Days

Day: 13.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,220,865 km

• M1: 164,258 km (0.097 R)
• M2: 599,289 km (0.118 R)
• M3: 1,013,974 km (0.082 R)
• M4: 2,082,103 km (0.095 R)
• M5: 2,628,285 km (0.061 R)
• M6: 3,145,594 km (0.112 R)
• M7: 4,329,811 km (0.077 R)
• M8: 4,744,197 km (0.101 R)
• M9: 6,077,264 km (0.091 R)
• M10: 6,522,467 km (0.115 R)
• M11: 7,258,339 km (0.074 R)
• M12: 7,932,726 km (0.088 R)
• M13: 8,556,699 km (0.117 R)
• M14: 9,117,392 km (0.117 R)
• M15: 9,669,408 km (0.115 R)
• M16: 11,092,981 km (0.062 R)
• M17: 11,760,337 km (0.056 R)
• M18: 14,922,537 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.9

Radius: 8.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.72 AU - 2.34 AU

Year: 1867 Days

Day: 6.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,220,865 km

• M1: 115,190 km (0.093 R)
• M2: 839,693 km (0.047 R)
• M3: 1,931,009 km (0.094 R)
• M4: 2,810,645 km (0.1 R)
• M5: 3,247,620 km (0.1 R)
• M6: 5,279,458 km (0.09 R)
• M7: 8,039,240 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75

Radius: 9.5

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.6 AU - 2.66 AU

Year: 2007 Days

Day: 13.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,220,865 km

• M1: 118,631 km (0.072 R)
• M2: 485,445 km (0.078 R)
• M3: 842,685 km (0.088 R)
• M4: 2,796,732 km (0.07 R)
• M5: 3,921,259 km (0.113 R)
• M6: 6,528,750 km (0.05 R)
• M7: 7,676,764 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.9

Radius: 14.1

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.71 AU - 4.75 AU

Year: 6642 Days

Day: 5.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,220,865 km

• M1: 182,509 km (0.086 R)
• M2: 654,042 km (0.107 R)
• M3: 1,841,400 km (0.069 R)
• M4: 2,474,648 km (0.115 R)
• M5: 3,497,748 km (0.081 R)
• M6: 5,169,205 km (0.094 R)
• M7: 6,165,377 km (0.088 R)
• M8: 6,873,573 km (0.109 R)
• M9: 7,754,555 km (0.051 R)
• M10: 8,623,420 km (0.097 R)
• M11: 9,238,117 km (0.077 R)
• M12: 12,484,391 km (0.095 R)
• M13: 13,795,916 km (0.111 R)
• M14: 16,491,968 km (0.118 R)
• M15: 17,858,695 km (0.086 R)
• M16: 20,507,026 km (0.101 R)
• M17: 21,366,017 km (0.077 R)
• M18: 23,323,355 km (0.089 R)
• M19: 24,693,073 km (0.103 R)
• M20: 25,486,690 km (0.079 R)
• M21: 27,498,482 km (0.114 R)
• M22: 28,160,303 km (0.034 R)
• M23: 30,010,230 km (0.079 R)
• M24: 30,611,015 km (0.066 R)
• M25: 33,520,844 km (0.096 R)
• M26: 37,181,803 km (0.116 R)
• M27: 38,459,069 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 9.5

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.66 AU - 4.92 AU

Year: 6769 Days

Day: 9.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,220,865 km

• M1: 118,182 km (0.075 R)
• M2: 433,834 km (0.078 R)
• M3: 982,708 km (0.077 R)
• M4: 1,413,849 km (0.11 R)
• M5: 2,161,839 km (0.073 R)
• M6: 2,663,291 km (0.084 R)
• M7: 4,000,397 km (0.052 R)
• M8: 4,477,464 km (0.038 R)
• M9: 6,311,983 km (0.088 R)
• M10: 7,109,489 km (0.037 R)
• M11: 7,493,507 km (0.091 R)
• M12: 8,472,176 km (0.049 R)
• M13: 8,773,018 km (0.064 R)
• M14: 9,441,870 km (0.102 R)
• M15: 10,982,279 km (0.1 R)
• M16: 11,548,507 km (0.113 R)
• M17: 12,026,173 km (0.12 R)
• M18: 13,597,100 km (0.061 R)
• M19: 14,250,095 km (0.098 R)
• M20: 15,174,161 km (0.099 R)
• M21: 16,335,190 km (0.098 R)
• M22: 17,005,239 km (0.084 R)
• M23: 25,630,902 km (0.064 R)
• M24: 26,903,382 km (0.098 R)
• M25: 28,987,131 km (0.071 R)
• M26: 32,730,668 km (0.11 R)
• M27: 33,366,608 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.1

Radius: 6.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.83 AU - 8.95 AU

Year: 17115 Days

Day: 23.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,220,865 km

• M1: 82,129 km (0.103 R)
• M2: 1,231,938 km (0.058 R)
• M3: 1,674,299 km (0.107 R)
• M4: 2,181,586 km (0.119 R)
• M5: 4,616,590 km (0.109 R)
• M6: 5,208,699 km (0.078 R)
• M7: 10,428,168 km (0.098 R)
• M8: 10,742,174 km (0.1 R)
• M9: 12,701,308 km (0.061 R)
• M10: 14,625,436 km (0.104 R)
• M11: 14,887,083 km (0.117 R)
• M12: 17,384,320 km (0.081 R)
• M13: 23,547,004 km (0.114 R)
• M14: 32,887,297 km (0.062 R)
• M15: 34,593,610 km (0.073 R)
• M16: 41,224,835 km (0.112 R)
• M17: 44,837,324 km (0.05 R)
• M18: 45,113,033 km (0.09 R)
• M19: 47,788,890 km (0.091 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: 170 - 10,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit