🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.1

Radius: 9.5

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.63 AU - 0.73 AU

Year: 387 Days

Day: 9.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,251,064 km

• M1: 118,182 km (0.089 R)
• M2: 416,331 km (0.104 R)
• M3: 782,397 km (0.092 R)
• M4: 1,208,900 km (0.074 R)
• M5: 1,513,781 km (0.073 R)
• M6: 1,825,094 km (0.117 R)
• M7: 2,382,645 km (0.045 R)
• M8: 2,727,169 km (0.074 R)
• M9: 3,137,815 km (0.081 R)
• M10: 4,396,681 km (0.119 R)
• M11: 4,978,767 km (0.113 R)
• M12: 5,384,027 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460

Radius: 13.4

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.88 AU - 0.9 AU

Year: 580 Days

Day: 6.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,251,064 km

• M1: 166,652 km (0.039 R)
• M2: 585,376 km (0.119 R)
• M3: 1,224,159 km (0.106 R)
• M4: 1,990,699 km (0.073 R)
• M5: 2,884,845 km (0.101 R)
• M6: 3,335,285 km (0.119 R)
• M7: 4,224,195 km (0.107 R)
• M8: 4,657,580 km (0.069 R)
• M9: 5,120,735 km (0.119 R)
• M10: 6,176,746 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.9

Radius: 14.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.89 AU - 1.01 AU

Year: 639 Days

Day: 5.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,251,064 km

• M1: 185,053 km (0.111 R)
• M2: 1,117,346 km (0.118 R)
• M3: 1,667,268 km (0.104 R)
• M4: 2,685,132 km (0.049 R)
• M5: 3,350,394 km (0.091 R)
• M6: 3,938,314 km (0.097 R)
• M7: 4,676,878 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.2

Radius: 10.4

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.41 AU - 2.23 AU

Year: 1695 Days

Day: 6.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,251,064 km

• M1: 132,693 km (0.094 R)
• M2: 472,879 km (0.076 R)
• M3: 843,283 km (0.075 R)
• M4: 1,171,501 km (0.1 R)
• M5: 1,579,754 km (0.103 R)
• M6: 1,961,228 km (0.108 R)
• M7: 2,522,519 km (0.115 R)
• M8: 2,998,989 km (0.097 R)
• M9: 3,922,157 km (0.07 R)
• M10: 4,337,441 km (0.061 R)
• M11: 5,705,364 km (0.098 R)
• M12: 6,219,681 km (0.063 R)
• M13: 7,318,777 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.3

Radius: 13.6

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.05 AU - 3.67 AU

Year: 4251 Days

Day: 5.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,251,064 km

• M1: 169,195 km (0.071 R)
• M2: 865,274 km (0.067 R)
• M3: 1,349,074 km (0.106 R)
• M4: 1,801,906 km (0.073 R)
• M5: 2,601,657 km (0.087 R)
• M6: 4,700,215 km (0.069 R)
• M7: 5,451,047 km (0.071 R)
• M8: 5,974,939 km (0.087 R)
• M9: 6,725,920 km (0.119 R)
• M10: 8,723,949 km (0.09 R)
• M11: 11,091,485 km (0.104 R)
• M12: 13,753,879 km (0.081 R)
• M13: 15,347,246 km (0.081 R)
• M14: 16,159,263 km (0.106 R)
• M15: 16,696,170 km (0.078 R)
• M16: 18,964,073 km (0.091 R)
• M17: 20,035,344 km (0.07 R)
• M18: 25,201,108 km (0.108 R)
• M19: 26,331,469 km (0.108 R)
• M20: 27,410,967 km (0.084 R)
• M21: 28,004,422 km (0.072 R)
• M22: 29,569,814 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.6

Radius: 11

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.3 AU - 4.42 AU

Year: 5235 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 67.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,251,064 km

• M1: 136,732 km (0.084 R)
• M2: 548,127 km (0.07 R)
• M3: 1,208,452 km (0.061 R)
• M4: 1,710,352 km (0.09 R)
• M5: 2,503,820 km (0.057 R)
• M6: 2,958,148 km (0.09 R)
• M7: 3,924,401 km (0.113 R)
• M8: 4,374,840 km (0.079 R)
• M9: 5,299,804 km (0.094 R)
• M10: 5,710,001 km (0.069 R)
• M11: 6,782,169 km (0.057 R)
• M12: 8,414,282 km (0.078 R)
• M13: 8,974,227 km (0.071 R)
• M14: 9,400,431 km (0.098 R)
• M15: 10,462,127 km (0.059 R)
• M16: 12,248,924 km (0.108 R)
• M17: 14,811,536 km (0.084 R)
• M18: 16,303,774 km (0.073 R)
• M19: 18,508,099 km (0.065 R)
• M20: 19,073,130 km (0.105 R)
• M21: 20,237,450 km (0.066 R)
• M22: 24,762,337 km (0.07 R)
• M23: 26,147,314 km (0.06 R)

Asteroid Belt

Center: 5.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.5

Radius: 6.1

Gravity: 24.9 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.54 AU - 9.66 AU

Year: 15913 Days

Day: 18.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,251,064 km

• M1: 75,846 km (0.085 R)
• M2: 400,025 km (0.028 R)
• M3: 697,724 km (0.12 R)
• M4: 1,036,713 km (0.104 R)
• M5: 1,373,907 km (0.063 R)
• M6: 1,593,367 km (0.119 R)
• M7: 2,143,887 km (0.097 R)
• M8: 2,353,324 km (0.107 R)
• M9: 2,669,574 km (0.109 R)
• M10: 2,862,854 km (0.117 R)
• M11: 3,881,915 km (0.104 R)
• M12: 4,490,330 km (0.1 R)
• M13: 5,086,776 km (0.025 R)
• M14: 5,655,697 km (0.116 R)
• M15: 5,854,363 km (0.076 R)
• M16: 6,266,056 km (0.054 R)
• M17: 7,426,786 km (0.046 R)
• M18: 7,909,090 km (0.11 R)
• M19: 12,215,414 km (0.081 R)
• M20: 12,750,975 km (0.07 R)
• M21: 13,162,817 km (0.061 R)
• M22: 17,528,083 km (0.104 R)
• M23: 18,469,054 km (0.06 R)
• M24: 19,084,948 km (0.115 R)
• M25: 20,544,276 km (0.106 R)
• M26: 29,560,838 km (0.052 R)
• M27: 32,135,717 km (0.087 R)
• M28: 38,290,772 km (0.117 R)
• M29: 41,047,113 km (0.07 R)
• M30: 49,765,976 km (0.112 R)
• M31: 52,516,333 km (0.109 R)
• M32: 54,107,156 km (0.057 R)
• M33: 54,464,994 km (0.077 R)
• M34: 57,570,497 km (0.099 R)
• M35: 63,533,617 km (0.112 R)
• M36: 64,934,751 km (0.047 R)
• M37: 68,423,373 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 16,005 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit