🌌 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: 805.5

Radius: 10.9

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.51 AU - 0.57 AU

Year: 279 Days

Day: 14.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,956,255 km

• M1: 135,536 km (0.083 R)
• M2: 502,350 km (0.119 R)
• M3: 1,092,064 km (0.059 R)
• M4: 1,452,147 km (0.071 R)
• M5: 1,944,024 km (0.112 R)
• M6: 2,379,953 km (0.09 R)
• M7: 3,407,092 km (0.111 R)
• M8: 3,852,145 km (0.114 R)
• M9: 4,322,780 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224

Radius: 14.9

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.44 AU - 0.66 AU

Year: 287 Days

Day: 11.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,956,255 km

• M1: 185,501 km (0.106 R)
• M2: 782,546 km (0.107 R)
• M3: 1,592,170 km (0.065 R)
• M4: 2,087,189 km (0.043 R)
• M5: 2,710,414 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.3

Radius: 12.6

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.67 AU - 0.77 AU

Year: 429 Days

Day: 10.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,956,255 km

• M1: 156,629 km (0.06 R)
• M2: 637,287 km (0.071 R)
• M3: 1,072,168 km (0.075 R)
• M4: 2,024,658 km (0.109 R)
• M5: 2,752,152 km (0.109 R)
• M6: 3,604,860 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.2

Radius: 10.2

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.91 AU - 1.33 AU

Year: 833 Days

Day: 5.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,956,255 km

• M1: 126,859 km (0.083 R)
• M2: 446,849 km (0.028 R)
• M3: 838,346 km (0.034 R)
• M4: 1,502,711 km (0.114 R)
• M5: 2,033,633 km (0.117 R)
• M6: 2,465,672 km (0.032 R)
• M7: 3,023,074 km (0.113 R)
• M8: 3,588,853 km (0.078 R)
• M9: 4,273,114 km (0.113 R)
• M10: 4,895,890 km (0.077 R)
• M11: 5,440,575 km (0.09 R)
• M12: 6,193,801 km (0.106 R)
• M13: 6,518,278 km (0.094 R)
• M14: 7,391,930 km (0.093 R)
• M15: 8,982,155 km (0.091 R)
• M16: 9,455,483 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.1

Radius: 9.1

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.01 AU - 1.29 AU

Year: 867 Days

Day: 10.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,956,255 km

• M1: 113,246 km (0.112 R)
• M2: 457,919 km (0.055 R)
• M3: 889,060 km (0.081 R)
• M4: 2,140,746 km (0.09 R)
• M5: 2,629,033 km (0.094 R)
• M6: 3,598,278 km (0.099 R)
• M7: 3,983,642 km (0.103 R)
• M8: 4,676,579 km (0.108 R)
• M9: 5,238,917 km (0.057 R)
• M10: 5,698,632 km (0.115 R)
• M11: 5,994,835 km (0.053 R)
• M12: 6,478,336 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.6

Radius: 11.9

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.36 AU - 1.8 AU

Year: 1396 Days

Day: 11.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,956,255 km

• M1: 149,448 km (0.07 R)
• M2: 526,884 km (0.112 R)
• M3: 919,877 km (0.099 R)
• M4: 1,361,041 km (0.1 R)
• M5: 1,745,059 km (0.087 R)
• M6: 2,257,282 km (0.104 R)
• M7: 2,934,213 km (0.117 R)
• M8: 3,321,073 km (0.036 R)
• M9: 4,530,422 km (0.091 R)
• M10: 5,365,477 km (0.073 R)
• M11: 5,820,255 km (0.047 R)
• M12: 6,211,304 km (0.117 R)
• M13: 8,770,474 km (0.041 R)
• M14: 10,727,963 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.8

Radius: 11.1

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.14 AU - 3.08 AU

Year: 2964 Days

Day: 7.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,956,255 km

• M1: 138,827 km (0.075 R)
• M2: 518,207 km (0.035 R)
• M3: 989,889 km (0.068 R)
• M4: 1,521,859 km (0.104 R)
• M5: 2,733,602 km (0.052 R)
• M6: 3,135,721 km (0.107 R)
• M7: 5,296,363 km (0.034 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.9

Radius: 8.1

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.9 AU - 4.64 AU

Year: 5145 Days

Day: 14.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,956,255 km

• M1: 100,679 km (0.109 R)
• M2: 452,833 km (0.082 R)
• M3: 1,252,583 km (0.049 R)
• M4: 1,591,721 km (0.086 R)
• M5: 2,391,023 km (0.098 R)
• M6: 3,372,235 km (0.074 R)
• M7: 4,703,058 km (0.083 R)
• M8: 5,529,736 km (0.062 R)
• M9: 6,070,233 km (0.039 R)
• M10: 6,645,437 km (0.085 R)
• M11: 7,048,902 km (0.115 R)
• M12: 7,468,374 km (0.065 R)
• M13: 9,110,211 km (0.105 R)
• M14: 9,398,486 km (0.103 R)
• M15: 11,306,009 km (0.096 R)
• M16: 12,425,749 km (0.038 R)
• M17: 12,934,980 km (0.12 R)
• M18: 13,194,831 km (0.067 R)
• M19: 13,511,231 km (0.105 R)
• M20: 15,342,608 km (0.082 R)
• M21: 16,529,667 km (0.106 R)
• M22: 17,777,014 km (0.086 R)
• M23: 22,562,052 km (0.081 R)
• M24: 22,863,192 km (0.077 R)
• M25: 24,647,147 km (0.062 R)
• M26: 26,941,829 km (0.108 R)
• M27: 27,451,508 km (0.055 R)
• M28: 27,881,154 km (0.088 R)
• M29: 29,464,797 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.9

Radius: 6.2

Gravity: 23.02 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.88 AU - 8.88 AU

Year: 18601 Days

Day: 15.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,956,255 km

• M1: 77,342 km (0.086 R)
• M2: 400,174 km (0.11 R)
• M3: 872,006 km (0.071 R)
• M4: 1,431,801 km (0.072 R)
• M5: 1,771,837 km (0.097 R)
• M6: 2,759,931 km (0.067 R)
• M7: 3,401,407 km (0.054 R)
• M8: 3,850,051 km (0.111 R)
• M9: 6,525,160 km (0.119 R)
• M10: 7,217,200 km (0.115 R)
• M11: 8,318,988 km (0.11 R)
• M12: 9,702,320 km (0.099 R)
• M13: 12,428,890 km (0.097 R)
• M14: 12,636,233 km (0.061 R)
• M15: 12,845,969 km (0.09 R)
• M16: 13,634,799 km (0.094 R)
• M17: 14,684,976 km (0.1 R)
• M18: 18,694,947 km (0.092 R)
• M19: 19,150,472 km (0.117 R)
• M20: 19,520,129 km (0.09 R)
• M21: 21,839,494 km (0.116 R)
• M22: 23,589,191 km (0.118 R)
• M23: 24,014,049 km (0.061 R)
• M24: 25,989,638 km (0.12 R)
• M25: 28,788,614 km (0.097 R)
• M26: 34,024,241 km (0.047 R)
• M27: 46,164,407 km (0.118 R)
• M28: 47,163,870 km (0.102 R)
• M29: 47,668,913 km (0.058 R)
• M30: 48,007,602 km (0.055 R)
• M31: 50,951,988 km (0.101 R)
• M32: 51,483,808 km (0.112 R)
• M33: 69,646,485 km (0.043 R)
• M34: 71,623,571 km (0.109 R)
• M35: 72,068,026 km (0.063 R)
• M36: 72,737,925 km (0.089 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: 357 - 14,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit