🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.8

Radius: 13.5

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.95 AU - 1.53 AU

Year: 921 Days

Day: 7.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,159,666 km

• M1: 167,849 km (0.098 R)
• M2: 652,845 km (0.103 R)
• M3: 1,243,906 km (0.089 R)
• M4: 1,696,290 km (0.08 R)
• M5: 2,326,097 km (0.118 R)
• M6: 2,782,820 km (0.057 R)
• M7: 3,263,478 km (0.079 R)
• M8: 4,424,207 km (0.084 R)
• M9: 4,953,036 km (0.08 R)
• M10: 5,524,051 km (0.099 R)
• M11: 5,990,048 km (0.083 R)
• M12: 6,424,181 km (0.071 R)
• M13: 6,960,639 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.4

Radius: 8.1

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.55 AU - 1.61 AU

Year: 1324 Days

Day: 5.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,159,666 km

• M1: 101,128 km (0.105 R)
• M2: 563,086 km (0.069 R)
• M3: 1,011,282 km (0.028 R)
• M4: 1,405,771 km (0.074 R)
• M5: 1,938,340 km (0.073 R)
• M6: 2,284,060 km (0.114 R)
• M7: 3,262,430 km (0.078 R)
• M8: 4,687,799 km (0.113 R)
• M9: 5,068,376 km (0.061 R)
• M10: 6,270,544 km (0.094 R)
• M11: 6,961,238 km (0.114 R)
• M12: 7,603,162 km (0.041 R)
• M13: 8,206,490 km (0.05 R)
• M14: 8,679,519 km (0.099 R)
• M15: 9,254,274 km (0.117 R)

Asteroid Belt

Center: 3.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.7

Radius: 10.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.94 AU - 5.26 AU

Year: 6579 Days

Day: 11.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,159,666 km

• M1: 134,937 km (0.103 R)
• M2: 529,576 km (0.114 R)
• M3: 931,247 km (0.084 R)
• M4: 1,315,264 km (0.108 R)
• M5: 1,780,813 km (0.069 R)
• M6: 2,278,675 km (0.049 R)
• M7: 2,677,802 km (0.09 R)
• M8: 3,180,451 km (0.047 R)
• M9: 3,745,183 km (0.057 R)
• M10: 5,235,177 km (0.106 R)
• M11: 6,447,967 km (0.081 R)
• M12: 6,923,689 km (0.089 R)
• M13: 7,354,830 km (0.111 R)
• M14: 7,698,606 km (0.119 R)
• M15: 9,785,795 km (0.087 R)
• M16: 10,415,004 km (0.12 R)
• M17: 13,611,611 km (0.118 R)
• M18: 15,155,012 km (0.113 R)
• M19: 17,169,348 km (0.117 R)
• M20: 18,840,805 km (0.085 R)
• M21: 23,378,856 km (0.116 R)
• M22: 27,431,014 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.7

Radius: 13.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.93 AU - 6.51 AU

Year: 7953 Days

Day: 13.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,159,666 km

• M1: 167,998 km (0.11 R)
• M2: 593,305 km (0.093 R)
• M3: 1,061,397 km (0.106 R)
• M4: 1,849,179 km (0.104 R)
• M5: 3,296,389 km (0.098 R)
• M6: 4,078,786 km (0.067 R)
• M7: 7,184,139 km (0.086 R)
• M8: 8,910,498 km (0.05 R)
• M9: 9,810,329 km (0.091 R)
• M10: 11,882,409 km (0.112 R)
• M11: 12,586,118 km (0.039 R)
• M12: 15,516,291 km (0.08 R)
• M13: 19,898,312 km (0.111 R)
• M14: 21,093,749 km (0.118 R)
• M15: 25,119,876 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.1

Radius: 4.7

Gravity: 39.62 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.51 AU - 10.17 AU

Year: 20584 Days

Day: 19.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 84,159,666 km

• M1: 58,493 km (0.103 R)
• M2: 222,751 km (0.118 R)
• M3: 377,735 km (0.083 R)
• M4: 599,588 km (0.1 R)
• M5: 941,868 km (0.072 R)
• M6: 1,095,056 km (0.048 R)
• M7: 1,404,275 km (0.073 R)
• M8: 1,677,291 km (0.05 R)
• M9: 1,904,680 km (0.083 R)
• M10: 3,982,295 km (0.063 R)
• M11: 5,320,747 km (0.109 R)
• M12: 6,933,413 km (0.069 R)
• M13: 10,761,472 km (0.089 R)
• M14: 10,954,154 km (0.087 R)
• M15: 13,375,097 km (0.098 R)
• M16: 18,682,231 km (0.118 R)
• M17: 25,127,206 km (0.119 R)
• M18: 27,686,527 km (0.033 R)
• M19: 28,535,794 km (0.061 R)
• M20: 30,286,538 km (0.091 R)
• M21: 31,318,464 km (0.043 R)
• M22: 31,580,111 km (0.12 R)
• M23: 33,452,178 km (0.086 R)
• M24: 37,269,168 km (0.109 R)
• M25: 37,562,829 km (0.092 R)
• M26: 40,431,069 km (0.034 R)
• M27: 48,320,411 km (0.083 R)
• M28: 63,434,733 km (0.115 R)
• M29: 78,730,218 km (0.07 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: 235 - 18,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit