🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.1

Radius: 11.5

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.65 AU - 1.05 AU

Year: 551 Days

Day: 12.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 119 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,527,177 km

• M1: 143,016 km (0.114 R)
• M2: 502,499 km (0.116 R)
• M3: 960,867 km (0.082 R)
• M4: 1,376,151 km (0.116 R)
• M5: 1,990,100 km (0.115 R)
• M6: 2,351,679 km (0.032 R)
• M7: 2,735,696 km (0.092 R)
• M8: 3,125,848 km (0.068 R)
• M9: 3,553,099 km (0.111 R)
• M10: 4,091,352 km (0.055 R)
• M11: 4,557,499 km (0.097 R)
• M12: 5,025,441 km (0.118 R)
• M13: 6,172,857 km (0.119 R)
• M14: 6,767,508 km (0.079 R)
• M15: 7,206,129 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.5

Radius: 8.7

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.92 AU - 1 AU

Year: 661 Days

Day: 9.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,527,177 km

• M1: 108,309 km (0.113 R)
• M2: 413,189 km (0.119 R)
• M3: 721,062 km (0.103 R)
• M4: 1,117,346 km (0.118 R)
• M5: 1,997,580 km (0.077 R)
• M6: 2,308,894 km (0.078 R)
• M7: 3,124,202 km (0.079 R)
• M8: 3,585,263 km (0.096 R)
• M9: 4,250,375 km (0.066 R)
• M10: 5,347,376 km (0.054 R)
• M11: 5,806,193 km (0.103 R)
• M12: 6,742,526 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.3

Radius: 13

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.8 AU - 4.28 AU

Year: 4682 Days

Day: 13 Hours

Environment

Temp: -225 °C

Axial Tilt: 51.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,527,177 km

• M1: 163,510 km (0.067 R)
• M2: 581,337 km (0.069 R)
• M3: 1,340,098 km (0.048 R)
• M4: 1,920,837 km (0.101 R)
• M5: 2,329,538 km (0.065 R)
• M6: 2,864,051 km (0.085 R)
• M7: 3,479,946 km (0.075 R)
• M8: 4,639,479 km (0.107 R)
• M9: 5,180,275 km (0.115 R)
• M10: 5,653,752 km (0.108 R)
• M11: 6,070,233 km (0.085 R)
• M12: 7,743,784 km (0.028 R)
• M13: 8,687,597 km (0.112 R)
• M14: 9,131,005 km (0.108 R)
• M15: 10,677,997 km (0.038 R)
• M16: 12,209,281 km (0.088 R)
• M17: 13,003,945 km (0.103 R)
• M18: 14,957,244 km (0.117 R)
• M19: 17,446,104 km (0.115 R)
• M20: 18,394,105 km (0.037 R)
• M21: 20,848,558 km (0.086 R)
• M22: 21,511,575 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.7

Radius: 12.7

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.23 AU - 5.31 AU

Year: 7323 Days

Day: 10.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,527,177 km

• M1: 157,975 km (0.04 R)
• M2: 557,551 km (0.112 R)
• M3: 1,249,292 km (0.092 R)
• M4: 1,824,645 km (0.041 R)
• M5: 2,330,436 km (0.091 R)
• M6: 2,739,586 km (0.095 R)
• M7: 3,648,692 km (0.097 R)
• M8: 5,389,862 km (0.069 R)
• M9: 6,360,303 km (0.114 R)
• M10: 7,351,688 km (0.085 R)
• M11: 11,643,950 km (0.106 R)
• M12: 13,125,268 km (0.105 R)
• M13: 13,723,660 km (0.05 R)
• M14: 14,630,971 km (0.086 R)
• M15: 15,988,572 km (0.087 R)
• M16: 16,406,548 km (0.107 R)
• M17: 17,871,261 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.5

Radius: 7.2

Gravity: 13.94 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.92 AU - 7.24 AU

Year: 10538 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,527,177 km

• M1: 89,609 km (0.083 R)
• M2: 858,841 km (0.1 R)
• M3: 1,138,440 km (0.113 R)
• M4: 2,462,381 km (0.082 R)
• M5: 3,489,969 km (0.109 R)
• M6: 4,655,037 km (0.066 R)
• M7: 4,966,949 km (0.076 R)
• M8: 5,598,102 km (0.083 R)
• M9: 6,938,798 km (0.084 R)
• M10: 9,778,614 km (0.097 R)
• M11: 10,343,346 km (0.061 R)
• M12: 11,707,679 km (0.058 R)
• M13: 12,285,576 km (0.117 R)
• M14: 13,498,216 km (0.108 R)
• M15: 15,123,896 km (0.084 R)
• M16: 15,601,412 km (0.076 R)
• M17: 16,230,322 km (0.074 R)
• M18: 17,168,151 km (0.106 R)
• M19: 17,838,349 km (0.109 R)
• M20: 18,758,825 km (0.112 R)
• M21: 29,033,506 km (0.051 R)
• M22: 31,393,712 km (0.055 R)
• M23: 33,074,294 km (0.039 R)
• M24: 33,417,472 km (0.099 R)
• M25: 35,766,457 km (0.089 R)
• M26: 36,981,342 km (0.083 R)
• M27: 40,398,157 km (0.116 R)
• M28: 42,789,629 km (0.106 R)
• M29: 43,197,133 km (0.057 R)
• M30: 46,407,952 km (0.104 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: 357 - 10,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit