🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.1

Radius: 8.8

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.56 AU - 0.82 AU

Year: 389 Days

Day: 14.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,067,097 km

• M1: 109,506 km (0.094 R)
• M2: 447,597 km (0.112 R)
• M3: 758,461 km (0.044 R)
• M4: 1,762,263 km (0.09 R)
• M5: 2,132,368 km (0.119 R)
• M6: 2,437,847 km (0.116 R)
• M7: 2,986,422 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.1

Radius: 13.2

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.87 AU - 1.19 AU

Year: 709 Days

Day: 13.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,067,097 km

• M1: 164,857 km (0.08 R)
• M2: 577,149 km (0.088 R)
• M3: 1,034,320 km (0.08 R)
• M4: 1,941,631 km (0.106 R)
• M5: 2,455,051 km (0.057 R)
• M6: 2,919,253 km (0.065 R)
• M7: 3,390,935 km (0.104 R)
• M8: 3,802,030 km (0.1 R)
• M9: 4,291,664 km (0.118 R)
• M10: 5,666,917 km (0.116 R)
• M11: 7,405,095 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.9

Radius: 10.8

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.18 AU - 1.34 AU

Year: 959 Days

Day: 9.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,067,097 km

• M1: 134,339 km (0.111 R)
• M2: 489,335 km (0.1 R)
• M3: 1,139,188 km (0.113 R)
• M4: 1,905,278 km (0.054 R)
• M5: 2,903,246 km (0.094 R)
• M6: 3,752,064 km (0.118 R)
• M7: 4,825,130 km (0.059 R)
• M8: 5,936,642 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.9

Radius: 12.3

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.27 AU - 3.09 AU

Year: 2976 Days

Day: 5.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,067,097 km

• M1: 154,235 km (0.094 R)
• M2: 809,175 km (0.105 R)
• M3: 1,285,195 km (0.114 R)
• M4: 2,154,359 km (0.043 R)
• M5: 2,641,898 km (0.116 R)
• M6: 3,743,388 km (0.026 R)
• M7: 4,193,378 km (0.113 R)
• M8: 5,080,792 km (0.115 R)
• M9: 5,739,173 km (0.101 R)
• M10: 6,144,433 km (0.115 R)
• M11: 7,043,217 km (0.117 R)
• M12: 8,364,167 km (0.077 R)
• M13: 10,074,369 km (0.108 R)
• M14: 11,963,491 km (0.085 R)
• M15: 12,359,178 km (0.084 R)
• M16: 13,885,226 km (0.053 R)
• M17: 17,141,672 km (0.111 R)
• M18: 17,929,155 km (0.103 R)
• M19: 19,215,099 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.4

Radius: 5.8

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.66 AU - 6.7 AU

Year: 9182 Days

Day: 20.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 121.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,067,097 km

• M1: 73,901 km (0.062 R)
• M2: 334,650 km (0.11 R)
• M3: 1,027,289 km (0.094 R)
• M4: 1,928,466 km (0.109 R)
• M5: 2,538,526 km (0.048 R)
• M6: 2,945,283 km (0.082 R)
• M7: 3,251,809 km (0.036 R)
• M8: 4,854,601 km (0.102 R)
• M9: 5,455,685 km (0.03 R)
• M10: 5,709,702 km (0.117 R)
• M11: 6,519,026 km (0.091 R)
• M12: 7,159,305 km (0.093 R)
• M13: 7,341,067 km (0.064 R)
• M14: 7,525,820 km (0.081 R)
• M15: 8,429,690 km (0.059 R)
• M16: 10,106,234 km (0.091 R)
• M17: 11,490,612 km (0.077 R)
• M18: 15,622,506 km (0.052 R)
• M19: 15,980,045 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.4

Radius: 5.8

Gravity: 16.3 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.47 AU - 9.57 AU

Year: 16867 Days

Day: 15.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,067,097 km

• M1: 72,106 km (0.084 R)
• M2: 252,521 km (0.079 R)
• M3: 477,516 km (0.117 R)
• M4: 752,028 km (0.091 R)
• M5: 975,977 km (0.025 R)
• M6: 1,218,026 km (0.107 R)
• M7: 1,859,502 km (0.101 R)
• M8: 2,295,131 km (0.049 R)
• M9: 4,942,265 km (0.094 R)
• M10: 5,186,259 km (0.046 R)
• M11: 6,365,090 km (0.063 R)
• M12: 7,438,156 km (0.114 R)
• M13: 7,946,489 km (0.092 R)
• M14: 8,626,711 km (0.114 R)
• M15: 9,135,643 km (0.072 R)
• M16: 9,503,803 km (0.094 R)
• M17: 12,748,581 km (0.109 R)
• M18: 13,142,023 km (0.039 R)
• M19: 15,304,610 km (0.08 R)
• M20: 16,049,907 km (0.065 R)
• M21: 18,100,744 km (0.099 R)
• M22: 18,348,029 km (0.114 R)
• M23: 21,772,175 km (0.081 R)
• M24: 23,978,893 km (0.115 R)
• M25: 31,486,313 km (0.114 R)
• M26: 33,056,641 km (0.108 R)
• M27: 40,702,140 km (0.083 R)
• M28: 40,985,029 km (0.103 R)
• M29: 43,442,025 km (0.039 R)
• M30: 50,253,814 km (0.116 R)
• M31: 58,280,189 km (0.101 R)
• M32: 60,091,520 km (0.053 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 14,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit