🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.8

Radius: 10.2

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.7 AU - 1.72 AU

Year: 1444 Days

Day: 5.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,400,622 km

• M1: 126,859 km (0.054 R)
• M2: 899,532 km (0.103 R)
• M3: 1,362,537 km (0.117 R)
• M4: 1,696,589 km (0.049 R)
• M5: 2,167,224 km (0.117 R)
• M6: 2,821,715 km (0.102 R)
• M7: 3,748,474 km (0.059 R)
• M8: 5,078,249 km (0.09 R)
• M9: 5,416,041 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.9

Radius: 14.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.37 AU - 2.65 AU

Year: 2568 Days

Day: 9.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,400,622 km

• M1: 180,265 km (0.065 R)
• M2: 646,861 km (0.093 R)
• M3: 1,467,854 km (0.078 R)
• M4: 1,929,962 km (0.094 R)
• M5: 2,410,470 km (0.106 R)
• M6: 2,940,795 km (0.08 R)
• M7: 3,893,733 km (0.084 R)
• M8: 4,463,552 km (0.084 R)
• M9: 5,088,871 km (0.114 R)
• M10: 6,072,776 km (0.068 R)
• M11: 7,557,984 km (0.117 R)
• M12: 10,007,200 km (0.107 R)
• M13: 10,591,529 km (0.054 R)
• M14: 12,441,008 km (0.112 R)
• M15: 12,946,050 km (0.08 R)
• M16: 13,640,633 km (0.034 R)
• M17: 14,132,511 km (0.068 R)
• M18: 15,534,542 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.7

Radius: 13.9

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.37 AU - 2.99 AU

Year: 2833 Days

Day: 5.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,400,622 km

• M1: 172,935 km (0.034 R)
• M2: 610,509 km (0.053 R)
• M3: 1,751,342 km (0.087 R)
• M4: 2,511,599 km (0.061 R)
• M5: 3,517,794 km (0.081 R)
• M6: 4,114,390 km (0.104 R)
• M7: 6,142,189 km (0.101 R)
• M8: 6,928,925 km (0.082 R)
• M9: 8,020,989 km (0.061 R)
• M10: 8,672,039 km (0.114 R)
• M11: 9,391,754 km (0.084 R)
• M12: 9,975,036 km (0.12 R)
• M13: 11,290,002 km (0.104 R)
• M14: 11,792,351 km (0.11 R)
• M15: 13,389,608 km (0.042 R)
• M16: 16,074,142 km (0.072 R)

Asteroid Belt

Center: 4.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.5

Radius: 6.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.03 AU - 6.63 AU

Year: 10283 Days

Day: 19.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,400,622 km

• M1: 85,869 km (0.07 R)
• M2: 383,419 km (0.103 R)
• M3: 720,463 km (0.118 R)
• M4: 1,010,833 km (0.103 R)
• M5: 1,333,665 km (0.115 R)
• M6: 2,316,523 km (0.038 R)
• M7: 2,714,453 km (0.107 R)
• M8: 3,782,582 km (0.119 R)
• M9: 4,064,425 km (0.095 R)
• M10: 6,884,793 km (0.104 R)
• M11: 8,473,672 km (0.092 R)
• M12: 8,957,472 km (0.082 R)
• M13: 12,306,220 km (0.053 R)
• M14: 17,349,164 km (0.084 R)
• M15: 19,827,851 km (0.093 R)
• M16: 20,321,973 km (0.083 R)
• M17: 24,981,199 km (0.073 R)
• M18: 25,557,599 km (0.105 R)
• M19: 25,807,278 km (0.053 R)
• M20: 26,651,459 km (0.102 R)
• M21: 29,751,277 km (0.095 R)
• M22: 31,914,163 km (0.048 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.2

Radius: 4.9

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.78 AU - 8.1 AU

Year: 13103 Days

Day: 21.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,400,622 km

• M1: 912,996 km (0.088 R)
• M2: 1,413,849 km (0.069 R)
• M3: 1,904,830 km (0.09 R)
• M4: 2,097,063 km (0.063 R)
• M5: 2,753,050 km (0.071 R)
• M6: 3,878,325 km (0.079 R)
• M7: 5,436,686 km (0.065 R)
• M8: 8,426,399 km (0.053 R)
• M9: 10,585,097 km (0.112 R)
• M10: 11,396,964 km (0.046 R)
• M11: 12,468,983 km (0.103 R)
• M12: 16,817,793 km (0.041 R)
• M13: 20,041,477 km (0.075 R)
• M14: 21,280,148 km (0.071 R)
• M15: 25,301,488 km (0.117 R)
• M16: 27,116,708 km (0.11 R)
• M17: 40,101,804 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.9

Radius: 4.1

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.01 AU - 8.15 AU

Year: 13475 Days

Day: 18.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,400,622 km

• M1: 57,745 km (0.117 R)
• M2: 282,441 km (0.102 R)
• M3: 1,207,105 km (0.094 R)
• M4: 1,385,575 km (0.068 R)
• M5: 2,111,424 km (0.111 R)
• M6: 3,418,311 km (0.091 R)
• M7: 5,466,605 km (0.089 R)
• M8: 6,691,214 km (0.094 R)
• M9: 7,213,161 km (0.118 R)
• M10: 7,761,886 km (0.087 R)
• M11: 8,005,431 km (0.06 R)
• M12: 8,464,996 km (0.108 R)
• M13: 9,807,636 km (0.03 R)
• M14: 10,979,287 km (0.08 R)
• M15: 11,757,196 km (0.091 R)
• M16: 16,668,195 km (0.076 R)
• M17: 17,210,038 km (0.055 R)
• M18: 19,719,094 km (0.104 R)
• M19: 24,482,589 km (0.11 R)
• M20: 25,536,955 km (0.102 R)
• M21: 28,304,964 km (0.098 R)
• M22: 28,784,874 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 16,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit