🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.6

Radius: 11.8

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.73 AU - 0.95 AU

Year: 541 Days

Day: 5.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,932,668 km

• M1: 146,905 km (0.099 R)
• M2: 552,465 km (0.1 R)
• M3: 976,425 km (0.05 R)
• M4: 1,346,979 km (0.072 R)
• M5: 1,713,943 km (0.104 R)
• M6: 2,083,599 km (0.119 R)
• M7: 2,572,186 km (0.103 R)
• M8: 3,126,147 km (0.116 R)
• M9: 3,746,379 km (0.068 R)
• M10: 4,530,123 km (0.079 R)
• M11: 5,156,938 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.5

Radius: 10.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.97 AU - 1.03 AU

Year: 703 Days

Day: 14.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,932,668 km

• M1: 128,205 km (0.109 R)
• M2: 504,145 km (0.086 R)
• M3: 871,408 km (0.085 R)
• M4: 1,202,767 km (0.088 R)
• M5: 1,557,164 km (0.084 R)
• M6: 1,908,570 km (0.116 R)
• M7: 3,034,593 km (0.083 R)
• M8: 3,703,894 km (0.036 R)
• M9: 4,046,622 km (0.102 R)
• M10: 4,889,008 km (0.074 R)
• M11: 5,351,864 km (0.12 R)
• M12: 5,705,364 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.4

Radius: 9.4

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.01 AU - 1.67 AU

Year: 1090 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,932,668 km

• M1: 116,836 km (0.079 R)
• M2: 423,811 km (0.069 R)
• M3: 809,025 km (0.093 R)
• M4: 1,182,422 km (0.111 R)
• M5: 1,498,971 km (0.111 R)
• M6: 2,231,252 km (0.043 R)
• M7: 3,017,239 km (0.107 R)
• M8: 3,526,620 km (0.111 R)
• M9: 3,906,599 km (0.099 R)
• M10: 4,344,023 km (0.075 R)
• M11: 5,162,772 km (0.108 R)
• M12: 5,781,808 km (0.085 R)
• M13: 6,099,853 km (0.101 R)
• M14: 6,791,893 km (0.057 R)
• M15: 7,146,440 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.2

Radius: 13.4

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.16 AU - 2.72 AU

Year: 2679 Days

Day: 14.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 93.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,932,668 km

• M1: 166,802 km (0.088 R)
• M2: 645,216 km (0.071 R)
• M3: 1,171,501 km (0.095 R)
• M4: 1,876,406 km (0.12 R)
• M5: 2,348,836 km (0.08 R)
• M6: 2,835,478 km (0.105 R)
• M7: 3,389,738 km (0.065 R)
• M8: 4,183,953 km (0.068 R)
• M9: 5,789,288 km (0.116 R)
• M10: 6,227,161 km (0.093 R)
• M11: 6,925,783 km (0.052 R)
• M12: 9,228,992 km (0.105 R)
• M13: 9,790,582 km (0.097 R)
• M14: 11,148,333 km (0.056 R)
• M15: 12,047,565 km (0.041 R)
• M16: 13,700,921 km (0.067 R)
• M17: 14,383,237 km (0.085 R)
• M18: 14,985,967 km (0.078 R)
• M19: 15,553,242 km (0.12 R)
• M20: 18,082,343 km (0.032 R)
• M21: 18,666,523 km (0.117 R)
• M22: 19,811,096 km (0.034 R)
• M23: 20,938,167 km (0.094 R)
• M24: 22,373,259 km (0.048 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862

Radius: 3.2

Gravity: 84.18 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.5 AU - 8.78 AU

Year: 13411 Days

Day: 19 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,932,668 km

• M1: 41,887 km (0.053 R)
• M2: 187,745 km (0.11 R)
• M3: 400,473 km (0.107 R)
• M4: 709,543 km (0.075 R)
• M5: 1,435,242 km (0.118 R)
• M6: 1,704,219 km (0.069 R)
• M7: 2,005,509 km (0.108 R)
• M8: 3,741,892 km (0.111 R)
• M9: 4,502,597 km (0.105 R)
• M10: 4,766,338 km (0.035 R)
• M11: 4,867,765 km (0.11 R)
• M12: 5,040,251 km (0.05 R)
• M13: 5,964,018 km (0.085 R)
• M14: 7,439,053 km (0.112 R)
• M15: 7,667,938 km (0.101 R)
• M16: 9,088,669 km (0.082 R)
• M17: 9,456,231 km (0.119 R)
• M18: 9,724,759 km (0.089 R)
• M19: 10,389,871 km (0.105 R)
• M20: 11,810,154 km (0.066 R)
• M21: 14,527,000 km (0.101 R)
• M22: 18,702,726 km (0.1 R)
• M23: 19,296,480 km (0.115 R)
• M24: 21,244,394 km (0.03 R)
• M25: 22,454,940 km (0.093 R)
• M26: 31,760,376 km (0.098 R)
• M27: 36,131,327 km (0.102 R)
• M28: 41,169,932 km (0.112 R)
• M29: 45,736,108 km (0.077 R)
• M30: 46,811,867 km (0.119 R)
• M31: 50,140,120 km (0.025 R)
• M32: 50,465,047 km (0.11 R)
• M33: 58,153,479 km (0.083 R)
• M34: 59,053,011 km (0.11 R)
• M35: 60,879,901 km (0.039 R)
• M36: 61,064,654 km (0.071 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 19,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit