🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345

Radius: 8.9

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.52 AU - 0.56 AU

Year: 279 Days

Day: 9.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,935,126 km

• M1: 110,702 km (0.048 R)
• M2: 517,758 km (0.061 R)
• M3: 840,740 km (0.036 R)
• M4: 1,127,818 km (0.092 R)
• M5: 1,405,173 km (0.107 R)
• M6: 1,728,903 km (0.075 R)
• M7: 2,167,524 km (0.113 R)
• M8: 2,842,958 km (0.091 R)
• M9: 3,406,643 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.4

Radius: 8.1

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.91 AU - 1.23 AU

Year: 778 Days

Day: 7.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,935,126 km

• M1: 100,829 km (0.094 R)
• M2: 465,549 km (0.1 R)
• M3: 1,067,530 km (0.105 R)
• M4: 1,386,174 km (0.068 R)
• M5: 1,664,426 km (0.094 R)
• M6: 1,936,395 km (0.103 R)
• M7: 2,199,986 km (0.101 R)
• M8: 2,456,846 km (0.067 R)
• M9: 3,067,205 km (0.083 R)
• M10: 3,350,992 km (0.06 R)
• M11: 3,625,355 km (0.1 R)
• M12: 3,985,736 km (0.107 R)
• M13: 4,339,685 km (0.086 R)
• M14: 5,282,151 km (0.097 R)
• M15: 5,636,997 km (0.102 R)
• M16: 6,198,887 km (0.115 R)
• M17: 6,901,099 km (0.107 R)
• M18: 7,153,770 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.2

Radius: 9.4

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.29 AU - 1.31 AU

Year: 1042 Days

Day: 9.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,935,126 km

• M1: 117,734 km (0.079 R)
• M2: 444,156 km (0.086 R)
• M3: 965,205 km (0.073 R)
• M4: 2,103,346 km (0.055 R)
• M5: 3,839,878 km (0.106 R)
• M6: 5,417,687 km (0.114 R)
• M7: 7,022,722 km (0.084 R)
• M8: 7,613,634 km (0.112 R)
• M9: 8,922,915 km (0.101 R)
• M10: 9,645,921 km (0.072 R)
• M11: 10,190,308 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.6

Radius: 8.9

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.05 AU - 3.23 AU

Year: 3015 Days

Day: 11.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,935,126 km

• M1: 115,041 km (0.108 R)
• M2: 403,465 km (0.094 R)
• M3: 1,855,911 km (0.11 R)
• M4: 2,717,595 km (0.111 R)
• M5: 3,416,965 km (0.077 R)
• M6: 3,809,211 km (0.078 R)
• M7: 4,231,376 km (0.048 R)
• M8: 8,190,633 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49

Radius: 8.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.73 AU - 2.97 AU

Year: 3382 Days

Day: 9.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,935,126 km

• M1: 111,600 km (0.113 R)
• M2: 387,608 km (0.118 R)
• M3: 759,359 km (0.036 R)
• M4: 1,029,533 km (0.094 R)
• M5: 1,410,558 km (0.072 R)
• M6: 1,765,404 km (0.045 R)
• M7: 2,057,719 km (0.111 R)
• M8: 2,437,996 km (0.069 R)
• M9: 3,992,468 km (0.058 R)
• M10: 4,382,619 km (0.088 R)
• M11: 4,656,533 km (0.107 R)
• M12: 6,549,395 km (0.116 R)
• M13: 7,304,565 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.2

Radius: 3.3

Gravity: 72.29 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.85 AU - 6.19 AU

Year: 9116 Days

Day: 15.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 47,935,126 km

• M1: 41,887 km (0.112 R)
• M2: 173,234 km (0.039 R)
• M3: 364,570 km (0.04 R)
• M4: 760,406 km (0.108 R)
• M5: 938,727 km (0.083 R)
• M6: 1,098,647 km (0.032 R)
• M7: 1,977,684 km (0.118 R)
• M8: 2,372,323 km (0.096 R)
• M9: 2,528,204 km (0.113 R)
• M10: 3,610,694 km (0.065 R)
• M11: 4,782,943 km (0.1 R)
• M12: 6,334,123 km (0.082 R)
• M13: 6,788,003 km (0.091 R)
• M14: 8,729,335 km (0.116 R)
• M15: 9,007,138 km (0.058 R)
• M16: 9,925,669 km (0.119 R)
• M17: 10,904,787 km (0.12 R)
• M18: 11,281,175 km (0.099 R)
• M19: 12,116,979 km (0.083 R)
• M20: 15,669,479 km (0.09 R)
• M21: 16,921,015 km (0.055 R)
• M22: 17,939,477 km (0.112 R)
• M23: 18,237,776 km (0.066 R)
• M24: 19,385,939 km (0.085 R)
• M25: 23,294,034 km (0.066 R)
• M26: 23,649,030 km (0.12 R)
• M27: 29,934,684 km (0.116 R)
• M28: 30,990,844 km (0.082 R)
• M29: 31,420,190 km (0.107 R)
• M30: 33,739,556 km (0.057 R)
• M31: 36,407,933 km (0.072 R)
• M32: 37,489,226 km (0.099 R)
• M33: 40,990,116 km (0.077 R)
• M34: 43,754,236 km (0.102 R)
• M35: 45,250,514 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.9

Radius: 4.9

Gravity: 13.37 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.68 AU - 8.44 AU

Year: 14611 Days

Day: 22.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,935,126 km

• M1: 137,630 km (0.081 R)
• M2: 326,423 km (0.075 R)
• M3: 883,076 km (0.116 R)
• M4: 1,529,040 km (0.076 R)
• M5: 2,388,928 km (0.053 R)
• M6: 3,920,661 km (0.11 R)
• M7: 6,909,626 km (0.073 R)
• M8: 8,468,436 km (0.106 R)
• M9: 12,907,304 km (0.115 R)
• M10: 18,304,795 km (0.087 R)
• M11: 27,138,999 km (0.114 R)
• M12: 28,436,162 km (0.081 R)
• M13: 30,194,086 km (0.088 R)
• M14: 30,617,897 km (0.118 R)
• M15: 39,697,740 km (0.097 R)
• M16: 45,813,002 km (0.112 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: 205 - 10,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit