🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.6

Radius: 13.3

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.87 AU - 1.03 AU

Year: 589 Days

Day: 8.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 90.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,226,898 km

• M1: 165,754 km (0.089 R)
• M2: 685,308 km (0.096 R)
• M3: 1,180,926 km (0.062 R)
• M4: 1,928,466 km (0.12 R)
• M5: 2,344,049 km (0.107 R)
• M6: 2,788,056 km (0.082 R)
• M7: 3,410,383 km (0.059 R)
• M8: 4,082,227 km (0.052 R)
• M9: 4,919,975 km (0.029 R)
• M10: 6,051,234 km (0.101 R)
• M11: 6,757,635 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.6

Radius: 13.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.61 AU - 1.91 AU

Year: 1485 Days

Day: 5.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,226,898 km

• M1: 164,258 km (0.054 R)
• M2: 803,789 km (0.038 R)
• M3: 1,409,362 km (0.114 R)
• M4: 2,229,158 km (0.068 R)
• M5: 3,699,107 km (0.116 R)
• M6: 4,129,799 km (0.065 R)
• M7: 4,789,376 km (0.117 R)
• M8: 5,260,460 km (0.091 R)
• M9: 5,944,571 km (0.094 R)
• M10: 6,863,251 km (0.077 R)
• M11: 7,357,074 km (0.05 R)
• M12: 7,902,508 km (0.069 R)
• M13: 10,393,013 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.6

Radius: 14.2

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.92 AU - 2.68 AU

Year: 2218 Days

Day: 8.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,226,898 km

• M1: 176,974 km (0.058 R)
• M2: 756,217 km (0.115 R)
• M3: 1,378,544 km (0.096 R)
• M4: 2,483,773 km (0.101 R)
• M5: 5,515,973 km (0.096 R)
• M6: 6,003,213 km (0.102 R)
• M7: 7,044,265 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.4

Radius: 5.4

Gravity: 30.57 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.5 AU - 8.56 AU

Year: 11851 Days

Day: 23.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,226,898 km

• M1: 74,949 km (0.108 R)
• M2: 494,571 km (0.107 R)
• M3: 876,344 km (0.114 R)
• M4: 1,436,588 km (0.084 R)
• M5: 2,598,515 km (0.106 R)
• M6: 3,407,690 km (0.09 R)
• M7: 4,072,204 km (0.041 R)
• M8: 4,281,341 km (0.077 R)
• M9: 4,624,669 km (0.094 R)
• M10: 5,437,135 km (0.078 R)
• M11: 5,765,053 km (0.063 R)
• M12: 7,253,552 km (0.118 R)
• M13: 7,741,391 km (0.118 R)
• M14: 11,137,861 km (0.094 R)
• M15: 11,907,243 km (0.109 R)
• M16: 12,397,924 km (0.067 R)
• M17: 17,910,904 km (0.077 R)
• M18: 25,561,788 km (0.051 R)
• M19: 26,791,782 km (0.066 R)
• M20: 34,763,104 km (0.11 R)
• M21: 37,822,830 km (0.065 R)
• M22: 43,169,757 km (0.112 R)
• M23: 52,182,430 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.9

Radius: 4.6

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 9.8 AU - 11.46 AU

Year: 22036 Days

Day: 19.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,226,898 km

• M1: 57,146 km (0.098 R)
• M2: 225,594 km (0.092 R)
• M3: 469,139 km (0.051 R)
• M4: 615,595 km (0.112 R)
• M5: 1,478,775 km (0.038 R)
• M6: 1,716,785 km (0.092 R)
• M7: 1,995,336 km (0.042 R)
• M8: 2,337,467 km (0.076 R)
• M9: 2,568,296 km (0.109 R)
• M10: 2,893,073 km (0.108 R)
• M11: 3,933,526 km (0.112 R)
• M12: 4,158,073 km (0.078 R)
• M13: 7,298,431 km (0.043 R)
• M14: 8,267,078 km (0.095 R)
• M15: 9,231,086 km (0.048 R)
• M16: 10,935,754 km (0.116 R)
• M17: 11,939,256 km (0.061 R)
• M18: 12,251,916 km (0.088 R)
• M19: 16,250,218 km (0.117 R)
• M20: 22,983,020 km (0.112 R)
• M21: 26,955,741 km (0.109 R)
• M22: 27,856,320 km (0.079 R)
• M23: 29,338,686 km (0.083 R)
• M24: 31,068,187 km (0.109 R)
• M25: 34,728,996 km (0.117 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: 254 - 14,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit