🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.4

Radius: 13.6

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.74 AU - 1.14 AU

Year: 641 Days

Day: 10.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,214,542 km

• M1: 169,195 km (0.077 R)
• M2: 659,876 km (0.116 R)
• M3: 1,131,857 km (0.104 R)
• M4: 1,570,927 km (0.115 R)
• M5: 2,009,249 km (0.068 R)
• M6: 2,604,349 km (0.04 R)
• M7: 3,277,839 km (0.12 R)
• M8: 4,153,585 km (0.117 R)
• M9: 4,858,939 km (0.12 R)
• M10: 6,369,429 km (0.067 R)
• M11: 7,092,884 km (0.094 R)
• M12: 7,687,835 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.4

Radius: 14.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.26 AU - 2 AU

Year: 1463 Days

Day: 14.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,214,542 km

• M1: 175,329 km (0.084 R)
• M2: 634,893 km (0.114 R)
• M3: 1,678,488 km (0.105 R)
• M4: 2,182,184 km (0.064 R)
• M5: 3,044,317 km (0.056 R)
• M6: 3,667,392 km (0.03 R)
• M7: 4,582,632 km (0.1 R)
• M8: 5,665,870 km (0.11 R)
• M9: 7,867,651 km (0.097 R)
• M10: 8,390,197 km (0.089 R)
• M11: 9,360,638 km (0.098 R)
• M12: 10,281,413 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.4

Radius: 14.1

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.48 AU - 3.72 AU

Year: 4801 Days

Day: 8.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,214,542 km

• M1: 176,376 km (0.035 R)
• M2: 1,108,371 km (0.047 R)
• M3: 1,681,181 km (0.114 R)
• M4: 2,179,641 km (0.079 R)
• M5: 2,943,637 km (0.083 R)
• M6: 3,859,924 km (0.111 R)
• M7: 4,813,910 km (0.062 R)
• M8: 5,463,763 km (0.05 R)
• M9: 7,094,829 km (0.113 R)
• M10: 7,905,051 km (0.106 R)
• M11: 9,104,826 km (0.039 R)
• M12: 9,594,609 km (0.112 R)
• M13: 11,601,016 km (0.087 R)
• M14: 13,243,899 km (0.091 R)
• M15: 14,985,368 km (0.11 R)
• M16: 19,223,775 km (0.093 R)
• M17: 21,517,559 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.8

Radius: 13.2

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.26 AU - 5.75 AU

Year: 7859 Days

Day: 7.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,214,542 km

• M1: 164,109 km (0.092 R)
• M2: 627,114 km (0.085 R)
• M3: 1,289,534 km (0.103 R)
• M4: 2,726,720 km (0.098 R)
• M5: 3,190,474 km (0.083 R)
• M6: 3,752,513 km (0.09 R)
• M7: 4,456,969 km (0.053 R)
• M8: 5,909,265 km (0.109 R)
• M9: 10,773,291 km (0.085 R)
• M10: 11,593,985 km (0.103 R)
• M11: 14,250,693 km (0.038 R)
• M12: 16,777,102 km (0.099 R)
• M13: 20,885,060 km (0.084 R)
• M14: 21,704,856 km (0.115 R)
• M15: 27,257,031 km (0.078 R)
• M16: 27,788,253 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484

Radius: 6.2

Gravity: 12.59 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.87 AU - 6.85 AU

Year: 11274 Days

Day: 21.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,214,542 km

• M1: 77,940 km (0.084 R)
• M2: 393,742 km (0.116 R)
• M3: 595,998 km (0.101 R)
• M4: 1,047,783 km (0.078 R)
• M5: 1,286,691 km (0.066 R)
• M6: 1,561,802 km (0.1 R)
• M7: 2,773,993 km (0.079 R)
• M8: 4,541,791 km (0.102 R)
• M9: 8,098,630 km (0.092 R)
• M10: 9,607,624 km (0.109 R)
• M11: 10,099,651 km (0.093 R)
• M12: 10,869,033 km (0.108 R)
• M13: 14,722,824 km (0.095 R)
• M14: 27,344,396 km (0.09 R)
• M15: 36,974,909 km (0.068 R)
• M16: 44,334,675 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.8

Radius: 6.8

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.85 AU - 6.91 AU

Year: 12685 Days

Day: 17.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,214,542 km

• M1: 84,672 km (0.109 R)
• M2: 306,526 km (0.073 R)
• M3: 1,327,532 km (0.099 R)
• M4: 1,860,100 km (0.12 R)
• M5: 2,641,749 km (0.113 R)
• M6: 2,883,200 km (0.082 R)
• M7: 5,102,035 km (0.102 R)
• M8: 5,350,817 km (0.107 R)
• M9: 6,042,557 km (0.108 R)
• M10: 6,428,071 km (0.097 R)
• M11: 7,325,808 km (0.109 R)
• M12: 7,764,129 km (0.105 R)
• M13: 9,048,876 km (0.086 R)
• M14: 9,506,945 km (0.082 R)
• M15: 10,419,641 km (0.086 R)
• M16: 11,128,735 km (0.096 R)
• M17: 12,087,059 km (0.117 R)
• M18: 12,699,064 km (0.118 R)
• M19: 15,678,754 km (0.025 R)
• M20: 18,288,190 km (0.041 R)
• M21: 20,856,337 km (0.12 R)
• M22: 21,413,290 km (0.075 R)
• M23: 23,059,614 km (0.064 R)
• M24: 25,503,744 km (0.086 R)
• M25: 26,602,092 km (0.073 R)
• M26: 28,794,897 km (0.07 R)
• M27: 30,086,226 km (0.05 R)
• M28: 35,188,860 km (0.089 R)
• M29: 38,654,444 km (0.1 R)
• M30: 40,224,474 km (0.091 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 17,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit