🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.6

Radius: 14.5

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.7 AU - 0.9 AU

Year: 477 Days

Day: 8.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,549,300 km

• M1: 180,265 km (0.037 R)
• M2: 772,075 km (0.114 R)
• M3: 1,248,394 km (0.085 R)
• M4: 2,087,040 km (0.107 R)
• M5: 3,343,363 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.7

Radius: 14.9

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.17 AU - 1.53 AU

Year: 1046 Days

Day: 6.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,549,300 km

• M1: 185,352 km (0.048 R)
• M2: 653,743 km (0.107 R)
• M3: 1,165,966 km (0.114 R)
• M4: 2,098,110 km (0.058 R)
• M5: 4,575,600 km (0.05 R)
• M6: 6,007,252 km (0.117 R)
• M7: 6,838,867 km (0.051 R)
• M8: 7,393,725 km (0.096 R)
• M9: 9,212,686 km (0.076 R)
• M10: 9,951,550 km (0.077 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.3

Radius: 4.4

Gravity: 34.26 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.02 AU - 6.36 AU

Year: 10270 Days

Day: 22.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,549,300 km

• M1: 54,753 km (0.062 R)
• M2: 688,449 km (0.092 R)
• M3: 1,292,526 km (0.1 R)
• M4: 2,784,914 km (0.066 R)
• M5: 2,936,905 km (0.053 R)
• M6: 3,704,043 km (0.054 R)
• M7: 5,867,378 km (0.103 R)
• M8: 6,117,955 km (0.085 R)
• M9: 6,264,411 km (0.072 R)
• M10: 7,689,331 km (0.051 R)
• M11: 9,365,275 km (0.118 R)
• M12: 9,807,038 km (0.092 R)
• M13: 14,362,443 km (0.119 R)
• M14: 15,825,360 km (0.094 R)
• M15: 18,352,816 km (0.074 R)
• M16: 18,811,483 km (0.052 R)
• M17: 24,833,995 km (0.097 R)
• M18: 35,321,404 km (0.117 R)
• M19: 36,388,934 km (0.103 R)
• M20: 37,355,635 km (0.041 R)
• M21: 45,157,912 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.7

Radius: 5.1

Gravity: 30.63 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.05 AU - 6.87 AU

Year: 10949 Days

Day: 16.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,549,300 km

• M1: 63,429 km (0.043 R)
• M2: 262,544 km (0.091 R)
• M3: 424,559 km (0.083 R)
• M4: 664,514 km (0.074 R)
• M5: 889,210 km (0.066 R)
• M6: 1,250,189 km (0.099 R)
• M7: 1,464,713 km (0.118 R)
• M8: 1,687,913 km (0.105 R)
• M9: 2,092,276 km (0.1 R)
• M10: 2,707,273 km (0.039 R)
• M11: 2,952,164 km (0.097 R)
• M12: 3,334,836 km (0.099 R)
• M13: 4,619,582 km (0.093 R)
• M14: 5,941,579 km (0.104 R)
• M15: 7,326,705 km (0.101 R)
• M16: 8,392,291 km (0.06 R)
• M17: 8,674,133 km (0.101 R)
• M18: 13,888,218 km (0.052 R)
• M19: 15,301,020 km (0.103 R)
• M20: 17,254,768 km (0.078 R)
• M21: 27,654,064 km (0.036 R)
• M22: 33,493,467 km (0.076 R)
• M23: 34,920,930 km (0.061 R)
• M24: 42,394,989 km (0.112 R)
• M25: 44,772,100 km (0.034 R)
• M26: 45,344,012 km (0.119 R)
• M27: 49,181,048 km (0.099 R)
• M28: 52,910,074 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 16,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit