🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.8

Radius: 10.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.63 AU - 0.83 AU

Year: 403 Days

Day: 14.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,797,117 km

• M1: 133,591 km (0.097 R)
• M2: 474,076 km (0.05 R)
• M3: 859,290 km (0.118 R)
• M4: 1,340,995 km (0.074 R)
• M5: 1,856,360 km (0.077 R)
• M6: 2,324,302 km (0.114 R)
• M7: 3,053,143 km (0.074 R)
• M8: 3,580,475 km (0.111 R)
• M9: 4,129,200 km (0.107 R)
• M10: 4,580,388 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.9

Radius: 13.5

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.13 AU - 1.73 AU

Year: 1104 Days

Day: 7.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,797,117 km

• M1: 167,998 km (0.053 R)
• M2: 610,359 km (0.095 R)
• M3: 1,262,157 km (0.108 R)
• M4: 1,689,858 km (0.109 R)
• M5: 2,216,592 km (0.101 R)
• M6: 2,840,714 km (0.096 R)
• M7: 3,320,175 km (0.101 R)
• M8: 5,131,506 km (0.108 R)
• M9: 5,595,858 km (0.114 R)
• M10: 6,272,788 km (0.088 R)
• M11: 6,915,012 km (0.083 R)
• M12: 8,765,687 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 12.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.2 AU - 3.88 AU

Year: 4301 Days

Day: 6.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,797,117 km

• M1: 158,723 km (0.095 R)
• M2: 1,003,503 km (0.054 R)
• M3: 1,406,370 km (0.081 R)
• M4: 2,235,740 km (0.074 R)
• M5: 3,300,877 km (0.064 R)
• M6: 3,910,189 km (0.098 R)
• M7: 4,446,498 km (0.057 R)
• M8: 6,987,717 km (0.106 R)
• M9: 9,722,515 km (0.049 R)
• M10: 12,297,992 km (0.069 R)
• M11: 12,931,689 km (0.115 R)
• M12: 16,031,955 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.8

Radius: 13

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.36 AU - 5.2 AU

Year: 6748 Days

Day: 8.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,797,117 km

• M1: 161,865 km (0.118 R)
• M2: 763,996 km (0.082 R)
• M3: 1,371,513 km (0.109 R)
• M4: 2,085,394 km (0.119 R)
• M5: 3,137,367 km (0.061 R)
• M6: 3,961,052 km (0.086 R)
• M7: 4,385,611 km (0.069 R)
• M8: 5,268,388 km (0.056 R)
• M9: 6,433,157 km (0.117 R)
• M10: 7,094,529 km (0.096 R)
• M11: 8,112,244 km (0.081 R)
• M12: 8,553,857 km (0.087 R)
• M13: 12,058,935 km (0.046 R)
• M14: 13,340,241 km (0.082 R)
• M15: 14,592,823 km (0.063 R)
• M16: 15,308,201 km (0.066 R)
• M17: 17,529,280 km (0.104 R)
• M18: 21,900,829 km (0.099 R)
• M19: 26,950,505 km (0.119 R)
• M20: 28,118,865 km (0.083 R)
• M21: 29,603,025 km (0.099 R)
• M22: 31,629,478 km (0.07 R)
• M23: 33,336,390 km (0.119 R)
• M24: 35,422,233 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.1

Radius: 7.4

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.77 AU - 8.27 AU

Year: 14665 Days

Day: 20.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,797,117 km

• M1: 93,947 km (0.031 R)
• M2: 332,406 km (0.032 R)
• M3: 568,322 km (0.115 R)
• M4: 865,424 km (0.098 R)
• M5: 1,123,630 km (0.036 R)
• M6: 1,587,981 km (0.112 R)
• M7: 2,477,490 km (0.047 R)
• M8: 2,808,999 km (0.112 R)
• M9: 3,510,464 km (0.084 R)
• M10: 4,039,591 km (0.095 R)
• M11: 4,590,411 km (0.027 R)
• M12: 5,629,817 km (0.117 R)
• M13: 7,345,704 km (0.088 R)
• M14: 7,856,581 km (0.114 R)
• M15: 8,528,126 km (0.097 R)
• M16: 9,681,376 km (0.069 R)
• M17: 11,886,448 km (0.067 R)
• M18: 12,411,836 km (0.101 R)
• M19: 13,761,359 km (0.113 R)
• M20: 14,081,348 km (0.093 R)
• M21: 15,479,191 km (0.114 R)
• M22: 17,335,252 km (0.114 R)
• M23: 17,633,400 km (0.108 R)
• M24: 20,472,768 km (0.105 R)
• M25: 21,827,377 km (0.116 R)
• M26: 22,175,042 km (0.057 R)
• M27: 22,615,009 km (0.06 R)
• M28: 26,542,851 km (0.066 R)
• M29: 32,006,913 km (0.117 R)
• M30: 41,671,534 km (0.058 R)
• M31: 43,978,483 km (0.078 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: 233 - 15,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit