🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.8

Radius: 10.6

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.47 AU - 0.59 AU

Year: 257 Days

Day: 11.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,800,410 km

• M1: 131,796 km (0.06 R)
• M2: 518,357 km (0.045 R)
• M3: 858,093 km (0.094 R)
• M4: 1,196,484 km (0.034 R)
• M5: 1,677,441 km (0.072 R)
• M6: 2,022,862 km (0.062 R)
• M7: 2,475,246 km (0.081 R)
• M8: 2,965,479 km (0.093 R)
• M9: 3,306,861 km (0.073 R)
• M10: 3,674,572 km (0.09 R)
• M11: 4,277,602 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.4

Radius: 8.6

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.57 AU - 0.71 AU

Year: 341 Days

Day: 7.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,800,410 km

• M1: 106,962 km (0.089 R)
• M2: 474,225 km (0.116 R)
• M3: 882,627 km (0.094 R)
• M4: 1,184,815 km (0.116 R)
• M5: 1,589,926 km (0.06 R)
• M6: 1,874,461 km (0.119 R)
• M7: 2,920,450 km (0.058 R)
• M8: 3,261,982 km (0.099 R)
• M9: 3,535,446 km (0.09 R)
• M10: 3,924,251 km (0.106 R)
• M11: 4,450,088 km (0.111 R)
• M12: 4,933,289 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.6

Radius: 9.1

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.81 AU - 1.25 AU

Year: 697 Days

Day: 7.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,800,410 km

• M1: 113,246 km (0.109 R)
• M2: 419,323 km (0.09 R)
• M3: 1,045,839 km (0.081 R)
• M4: 1,351,766 km (0.071 R)
• M5: 1,726,509 km (0.104 R)
• M6: 3,104,305 km (0.102 R)
• M7: 3,778,393 km (0.071 R)
• M8: 4,906,661 km (0.111 R)
• M9: 5,960,129 km (0.101 R)
• M10: 6,604,596 km (0.082 R)
• M11: 7,317,879 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.7

Radius: 9.8

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.06 AU - 1.12 AU

Year: 759 Days

Day: 9.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,800,410 km

• M1: 122,072 km (0.079 R)
• M2: 566,677 km (0.097 R)
• M3: 1,183,020 km (0.032 R)
• M4: 1,645,577 km (0.041 R)
• M5: 1,971,700 km (0.081 R)
• M6: 2,600,909 km (0.088 R)
• M7: 3,067,654 km (0.084 R)
• M8: 3,544,722 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.8

Radius: 13.7

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.05 AU - 1.17 AU

Year: 780 Days

Day: 14.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,800,410 km

• M1: 170,542 km (0.119 R)
• M2: 631,153 km (0.073 R)
• M3: 1,062,294 km (0.092 R)
• M4: 1,543,850 km (0.115 R)
• M5: 2,416,305 km (0.118 R)
• M6: 2,924,489 km (0.107 R)
• M7: 3,387,345 km (0.025 R)
• M8: 3,913,480 km (0.038 R)
• M9: 4,748,685 km (0.101 R)
• M10: 5,428,458 km (0.094 R)
• M11: 6,152,960 km (0.116 R)
• M12: 7,025,714 km (0.102 R)
• M13: 7,458,950 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.9

Radius: 10.2

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.03 AU - 1.25 AU

Year: 812 Days

Day: 9.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,800,410 km

• M1: 133,292 km (0.103 R)
• M2: 490,831 km (0.112 R)
• M3: 854,204 km (0.094 R)
• M4: 1,512,285 km (0.113 R)
• M5: 1,890,468 km (0.091 R)
• M6: 2,317,121 km (0.102 R)
• M7: 2,709,217 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.1

Radius: 6.8

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.74 AU - 10.94 AU

Year: 20584 Days

Day: 24.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,800,410 km

• M1: 84,672 km (0.108 R)
• M2: 316,549 km (0.091 R)
• M3: 594,053 km (0.06 R)
• M4: 846,574 km (0.083 R)
• M5: 1,320,351 km (0.065 R)
• M6: 2,053,380 km (0.117 R)
• M7: 2,357,363 km (0.092 R)
• M8: 2,785,363 km (0.041 R)
• M9: 3,263,926 km (0.084 R)
• M10: 4,255,461 km (0.1 R)
• M11: 5,434,442 km (0.073 R)
• M12: 6,388,128 km (0.073 R)
• M13: 7,731,517 km (0.099 R)
• M14: 8,268,274 km (0.107 R)
• M15: 8,829,566 km (0.108 R)
• M16: 9,415,989 km (0.109 R)
• M17: 9,635,449 km (0.098 R)
• M18: 10,548,146 km (0.071 R)
• M19: 10,785,109 km (0.099 R)
• M20: 11,705,285 km (0.065 R)
• M21: 15,990,666 km (0.088 R)
• M22: 17,596,150 km (0.036 R)
• M23: 20,659,316 km (0.073 R)
• M24: 24,060,424 km (0.054 R)
• M25: 24,991,820 km (0.102 R)
• M26: 27,704,778 km (0.116 R)
• M27: 28,042,869 km (0.067 R)
• M28: 29,190,135 km (0.066 R)
• M29: 29,540,344 km (0.108 R)
• M30: 30,848,427 km (0.118 R)
• M31: 40,958,401 km (0.081 R)
• M32: 43,184,717 km (0.114 R)
• M33: 44,867,693 km (0.106 R)
• M34: 51,526,144 km (0.054 R)
• M35: 53,942,449 km (0.108 R)
• M36: 55,356,598 km (0.108 R)
• M37: 56,614,117 km (0.099 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: 268 - 20,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit