🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.7

Radius: 14.2

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.8 AU - 1 AU

Year: 569 Days

Day: 12.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,159,491 km

• M1: 176,525 km (0.09 R)
• M2: 741,257 km (0.071 R)
• M3: 1,363,285 km (0.105 R)
• M4: 1,814,473 km (0.106 R)
• M5: 2,298,571 km (0.064 R)
• M6: 2,974,006 km (0.09 R)
• M7: 3,683,100 km (0.048 R)
• M8: 4,597,591 km (0.072 R)
• M9: 5,195,085 km (0.119 R)
• M10: 5,769,541 km (0.104 R)
• M11: 6,247,506 km (0.118 R)
• M12: 7,003,873 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.7

Radius: 13.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.97 AU - 1.57 AU

Year: 954 Days

Day: 8.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,159,491 km

• M1: 170,392 km (0.076 R)
• M2: 619,036 km (0.049 R)
• M3: 1,861,297 km (0.092 R)
• M4: 2,297,075 km (0.106 R)
• M5: 3,174,766 km (0.108 R)
• M6: 3,835,989 km (0.052 R)
• M7: 5,148,411 km (0.061 R)
• M8: 5,897,896 km (0.115 R)
• M9: 6,429,866 km (0.059 R)
• M10: 7,040,225 km (0.107 R)
• M11: 7,714,014 km (0.083 R)
• M12: 9,079,244 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.5

Radius: 8.1

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.8 AU - 2.26 AU

Year: 1929 Days

Day: 6.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,159,491 km

• M1: 104,419 km (0.112 R)
• M2: 386,112 km (0.107 R)
• M3: 663,766 km (0.048 R)
• M4: 1,067,231 km (0.072 R)
• M5: 1,861,147 km (0.042 R)
• M6: 2,638,607 km (0.043 R)
• M7: 3,271,556 km (0.105 R)
• M8: 3,970,028 km (0.107 R)
• M9: 4,380,226 km (0.075 R)
• M10: 4,657,431 km (0.111 R)
• M11: 5,580,001 km (0.102 R)
• M12: 6,777,831 km (0.062 R)
• M13: 7,584,014 km (0.114 R)
• M14: 9,760,214 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.9

Radius: 10.1

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.36 AU - 2.38 AU

Year: 2433 Days

Day: 6.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,159,491 km

• M1: 127,607 km (0.12 R)
• M2: 588,967 km (0.092 R)
• M3: 995,125 km (0.068 R)
• M4: 1,911,412 km (0.102 R)
• M5: 2,833,832 km (0.062 R)
• M6: 3,205,284 km (0.11 R)
• M7: 3,780,338 km (0.072 R)
• M8: 4,288,821 km (0.108 R)
• M9: 4,639,329 km (0.061 R)
• M10: 5,310,126 km (0.044 R)
• M11: 6,164,928 km (0.105 R)
• M12: 6,561,961 km (0.051 R)
• M13: 8,146,352 km (0.11 R)
• M14: 10,174,750 km (0.099 R)
• M15: 14,369,175 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.1

Radius: 10.7

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.21 AU - 3.55 AU

Year: 3259 Days

Day: 13.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,159,491 km

• M1: 133,142 km (0.059 R)
• M2: 503,995 km (0.104 R)
• M3: 1,155,494 km (0.076 R)
• M4: 1,626,129 km (0.077 R)
• M5: 2,222,576 km (0.102 R)
• M6: 2,707,273 km (0.098 R)
• M7: 3,052,993 km (0.07 R)
• M8: 5,366,076 km (0.057 R)
• M9: 5,744,857 km (0.101 R)
• M10: 6,346,540 km (0.083 R)
• M11: 7,413,322 km (0.113 R)
• M12: 10,989,759 km (0.099 R)
• M13: 11,563,766 km (0.057 R)
• M14: 12,197,911 km (0.069 R)
• M15: 12,771,619 km (0.108 R)
• M16: 14,061,751 km (0.109 R)
• M17: 15,015,288 km (0.113 R)
• M18: 16,749,426 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.4

Radius: 11.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.1 AU - 4.28 AU

Year: 4727 Days

Day: 8.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,159,491 km

• M1: 143,464 km (0.119 R)
• M2: 544,985 km (0.104 R)
• M3: 1,115,402 km (0.075 R)
• M4: 1,602,492 km (0.113 R)
• M5: 2,132,817 km (0.065 R)
• M6: 2,493,348 km (0.079 R)
• M7: 3,728,577 km (0.09 R)
• M8: 4,147,601 km (0.117 R)
• M9: 5,131,057 km (0.115 R)
• M10: 5,759,368 km (0.111 R)
• M11: 6,234,940 km (0.114 R)
• M12: 6,766,910 km (0.046 R)
• M13: 8,726,343 km (0.117 R)
• M14: 9,092,559 km (0.026 R)
• M15: 10,869,781 km (0.042 R)
• M16: 11,251,256 km (0.085 R)
• M17: 11,951,823 km (0.073 R)
• M18: 12,588,362 km (0.055 R)
• M19: 13,104,175 km (0.036 R)
• M20: 13,830,323 km (0.071 R)
• M21: 19,067,745 km (0.116 R)
• M22: 21,956,330 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.9

Radius: 7.7

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.24 AU - 6.68 AU

Year: 9703 Days

Day: 21.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 101.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,159,491 km

• M1: 96,790 km (0.114 R)
• M2: 740,659 km (0.112 R)
• M3: 988,244 km (0.109 R)
• M4: 1,231,490 km (0.037 R)
• M5: 1,487,751 km (0.1 R)
• M6: 2,145,682 km (0.103 R)
• M7: 4,747,937 km (0.078 R)
• M8: 9,767,993 km (0.074 R)
• M9: 10,070,330 km (0.118 R)
• M10: 12,777,453 km (0.111 R)
• M11: 13,694,638 km (0.111 R)
• M12: 16,004,279 km (0.116 R)
• M13: 21,464,003 km (0.086 R)
• M14: 26,073,712 km (0.114 R)
• M15: 26,363,932 km (0.094 R)
• M16: 32,182,092 km (0.072 R)
• M17: 33,874,493 km (0.098 R)
• M18: 37,190,779 km (0.098 R)
• M19: 38,676,136 km (0.074 R)
• M20: 40,458,445 km (0.066 R)
• M21: 48,719,239 km (0.119 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: 339 - 10,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit