🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.6

Radius: 11.5

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.73 AU - 1.11 AU

Year: 588 Days

Day: 9.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,744,391 km

• M1: 143,016 km (0.058 R)
• M2: 523,892 km (0.055 R)
• M3: 975,079 km (0.102 R)
• M4: 1,656,796 km (0.115 R)
• M5: 2,484,671 km (0.076 R)
• M6: 3,102,660 km (0.077 R)
• M7: 3,529,163 km (0.116 R)
• M8: 3,950,880 km (0.114 R)
• M9: 4,312,308 km (0.115 R)
• M10: 5,033,071 km (0.078 R)
• M11: 5,986,608 km (0.12 R)
• M12: 6,404,285 km (0.047 R)
• M13: 7,034,840 km (0.111 R)
• M14: 7,410,331 km (0.118 R)
• M15: 7,939,608 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.9

Radius: 13.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.94 AU - 0.98 AU

Year: 627 Days

Day: 14.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,744,391 km

• M1: 166,951 km (0.068 R)
• M2: 756,367 km (0.102 R)
• M3: 1,225,207 km (0.036 R)
• M4: 2,282,564 km (0.112 R)
• M5: 2,786,560 km (0.085 R)
• M6: 3,204,536 km (0.119 R)
• M7: 3,727,081 km (0.077 R)
• M8: 4,182,906 km (0.098 R)
• M9: 4,676,280 km (0.12 R)
• M10: 5,192,542 km (0.115 R)
• M11: 5,696,388 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.6

Radius: 10.2

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.82 AU - 3.84 AU

Year: 4998 Days

Day: 15 Hours

Environment

Temp: -214 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,744,391 km

• M1: 126,859 km (0.058 R)
• M2: 546,930 km (0.078 R)
• M3: 961,914 km (0.063 R)
• M4: 1,281,605 km (0.102 R)
• M5: 2,071,482 km (0.064 R)
• M6: 2,688,423 km (0.092 R)
• M7: 3,319,876 km (0.057 R)
• M8: 3,704,342 km (0.091 R)
• M9: 4,931,643 km (0.088 R)
• M10: 5,550,231 km (0.078 R)
• M11: 5,970,301 km (0.117 R)
• M12: 8,593,799 km (0.114 R)
• M13: 9,406,116 km (0.066 R)
• M14: 10,224,416 km (0.085 R)
• M15: 10,903,441 km (0.112 R)
• M16: 11,806,264 km (0.054 R)
• M17: 12,965,049 km (0.082 R)
• M18: 13,652,601 km (0.096 R)
• M19: 14,871,524 km (0.099 R)
• M20: 16,342,969 km (0.083 R)
• M21: 20,548,764 km (0.065 R)
• M22: 25,589,165 km (0.081 R)
• M23: 26,084,633 km (0.077 R)
• M24: 29,552,910 km (0.119 R)
• M25: 30,006,939 km (0.084 R)
• M26: 31,397,302 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675

Radius: 12.1

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.57 AU - 5.69 AU

Year: 6644 Days

Day: 7.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,744,391 km

• M1: 150,495 km (0.084 R)
• M2: 663,018 km (0.103 R)
• M3: 1,097,899 km (0.088 R)
• M4: 1,571,974 km (0.03 R)
• M5: 2,150,769 km (0.07 R)
• M6: 3,693,721 km (0.064 R)
• M7: 4,863,726 km (0.099 R)
• M8: 5,534,822 km (0.098 R)
• M9: 6,366,736 km (0.055 R)
• M10: 8,811,614 km (0.056 R)
• M11: 9,855,209 km (0.083 R)
• M12: 12,031,409 km (0.113 R)
• M13: 15,225,772 km (0.05 R)
• M14: 16,790,566 km (0.082 R)
• M15: 18,254,082 km (0.112 R)
• M16: 25,991,732 km (0.091 R)
• M17: 26,603,588 km (0.107 R)
• M18: 28,129,336 km (0.033 R)
• M19: 30,574,663 km (0.109 R)
• M20: 31,158,394 km (0.074 R)
• M21: 32,954,616 km (0.091 R)
• M22: 33,878,083 km (0.114 R)
• M23: 35,562,406 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514.6

Radius: 3.9

Gravity: 33.83 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.26 AU - 8.02 AU

Year: 14082 Days

Day: 17.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,744,391 km

• M1: 49,816 km (0.105 R)
• M2: 663,317 km (0.111 R)
• M3: 1,043,445 km (0.104 R)
• M4: 1,709,754 km (0.11 R)
• M5: 3,368,495 km (0.037 R)
• M6: 6,211,603 km (0.07 R)
• M7: 6,763,170 km (0.105 R)
• M8: 6,885,541 km (0.087 R)
• M9: 11,803,870 km (0.115 R)
• M10: 14,453,997 km (0.111 R)
• M11: 19,377,711 km (0.071 R)
• M12: 20,209,476 km (0.111 R)
• M13: 22,302,499 km (0.119 R)
• M14: 29,766,835 km (0.112 R)
• M15: 35,448,412 km (0.118 R)
• M16: 37,704,797 km (0.079 R)
• M17: 39,129,717 km (0.115 R)
• M18: 39,260,914 km (0.079 R)
• M19: 51,527,790 km (0.097 R)
• M20: 52,002,015 km (0.11 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 11,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit