🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.8

Radius: 12.6

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.67 AU - 0.87 AU

Year: 443 Days

Day: 5.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,615,683 km

• M1: 156,629 km (0.079 R)
• M2: 815,308 km (0.078 R)
• M3: 1,218,175 km (0.08 R)
• M4: 1,705,416 km (0.058 R)
• M5: 2,427,973 km (0.119 R)
• M6: 2,983,131 km (0.106 R)
• M7: 3,805,471 km (0.085 R)
• M8: 4,852,207 km (0.117 R)
• M9: 5,341,392 km (0.104 R)
• M10: 6,612,824 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.8

Radius: 12.9

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.8 AU - 4.14 AU

Year: 4240 Days

Day: 13.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,615,683 km

• M1: 161,865 km (0.065 R)
• M2: 575,054 km (0.069 R)
• M3: 1,868,777 km (0.091 R)
• M4: 2,412,864 km (0.071 R)
• M5: 4,172,434 km (0.057 R)
• M6: 5,508,493 km (0.096 R)
• M7: 6,920,248 km (0.087 R)
• M8: 8,128,251 km (0.113 R)
• M9: 9,750,041 km (0.089 R)
• M10: 12,313,700 km (0.104 R)
• M11: 13,625,224 km (0.077 R)
• M12: 14,133,857 km (0.073 R)
• M13: 14,867,336 km (0.114 R)
• M14: 15,406,636 km (0.063 R)
• M15: 15,847,501 km (0.092 R)
• M16: 18,486,258 km (0.048 R)
• M17: 21,066,821 km (0.078 R)
• M18: 21,885,720 km (0.117 R)
• M19: 23,010,396 km (0.092 R)
• M20: 23,441,986 km (0.032 R)
• M21: 25,527,979 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 10.5

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.41 AU - 3.69 AU

Year: 4388 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 79.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,615,683 km

• M1: 130,749 km (0.094 R)
• M2: 719,267 km (0.09 R)
• M3: 1,154,596 km (0.089 R)
• M4: 3,475,009 km (0.075 R)
• M5: 4,703,058 km (0.044 R)
• M6: 6,282,662 km (0.073 R)
• M7: 7,863,612 km (0.102 R)
• M8: 8,592,303 km (0.092 R)
• M9: 10,415,453 km (0.114 R)
• M10: 10,929,022 km (0.107 R)
• M11: 12,615,588 km (0.051 R)
• M12: 18,882,842 km (0.083 R)
• M13: 20,309,557 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.4

Radius: 14.4

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.86 AU - 4.42 AU

Year: 5526 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,615,683 km

• M1: 179,218 km (0.12 R)
• M2: 781,499 km (0.09 R)
• M3: 1,298,360 km (0.108 R)
• M4: 1,977,534 km (0.101 R)
• M5: 2,516,984 km (0.071 R)
• M6: 3,786,023 km (0.052 R)
• M7: 4,917,880 km (0.075 R)
• M8: 5,800,657 km (0.115 R)
• M9: 7,516,545 km (0.094 R)
• M10: 8,336,641 km (0.114 R)
• M11: 14,453,997 km (0.11 R)
• M12: 15,901,805 km (0.117 R)
• M13: 18,815,223 km (0.101 R)
• M14: 19,630,233 km (0.089 R)
• M15: 20,610,847 km (0.1 R)
• M16: 21,404,015 km (0.109 R)
• M17: 22,142,579 km (0.117 R)
• M18: 24,301,426 km (0.113 R)
• M19: 25,678,774 km (0.081 R)
• M20: 27,711,061 km (0.111 R)
• M21: 28,500,190 km (0.106 R)
• M22: 29,124,162 km (0.06 R)
• M23: 29,575,499 km (0.082 R)
• M24: 30,677,736 km (0.082 R)
• M25: 31,902,644 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.4

Radius: 5.6

Gravity: 19.27 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.34 AU - 6.86 AU

Year: 9883 Days

Day: 21.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,615,683 km

• M1: 76,445 km (0.063 R)
• M2: 339,737 km (0.118 R)
• M3: 535,112 km (0.101 R)
• M4: 966,103 km (0.082 R)
• M5: 1,168,958 km (0.102 R)
• M6: 1,691,653 km (0.109 R)
• M7: 2,689,171 km (0.05 R)
• M8: 3,716,161 km (0.068 R)
• M9: 4,474,024 km (0.101 R)
• M10: 4,649,053 km (0.097 R)
• M11: 6,005,307 km (0.062 R)
• M12: 6,218,634 km (0.042 R)
• M13: 13,045,234 km (0.109 R)
• M14: 17,426,207 km (0.076 R)
• M15: 18,902,589 km (0.045 R)
• M16: 24,006,718 km (0.083 R)
• M17: 24,274,648 km (0.118 R)
• M18: 25,182,258 km (0.083 R)
• M19: 28,337,876 km (0.11 R)
• M20: 29,958,619 km (0.112 R)
• M21: 32,070,044 km (0.08 R)
• M22: 34,505,048 km (0.111 R)
• M23: 36,941,848 km (0.056 R)
• M24: 37,778,848 km (0.029 R)
• M25: 44,800,822 km (0.073 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: 433 - 14,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit