🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.3

Radius: 11.1

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.59 AU - 0.67 AU

Year: 333 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,516,690 km

• M1: 138,378 km (0.115 R)
• M2: 567,724 km (0.106 R)
• M3: 1,018,911 km (0.086 R)
• M4: 1,386,623 km (0.091 R)
• M5: 1,823,897 km (0.105 R)
• M6: 2,176,200 km (0.088 R)
• M7: 2,810,495 km (0.103 R)
• M8: 3,264,375 km (0.099 R)
• M9: 3,653,330 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.8

Radius: 10.5

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.97 AU - 1.21 AU

Year: 759 Days

Day: 5.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,516,690 km

• M1: 130,599 km (0.111 R)
• M2: 461,958 km (0.073 R)
• M3: 1,176,886 km (0.102 R)
• M4: 1,777,671 km (0.087 R)
• M5: 2,793,591 km (0.067 R)
• M6: 3,260,336 km (0.108 R)
• M7: 3,720,050 km (0.063 R)
• M8: 4,065,621 km (0.075 R)
• M9: 5,234,429 km (0.1 R)
• M10: 6,295,378 km (0.054 R)

Asteroid Belt

Center: 4.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.5

Radius: 6.1

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.97 AU - 9.21 AU

Year: 13944 Days

Day: 18.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,516,690 km

• M1: 77,342 km (0.085 R)
• M2: 516,412 km (0.06 R)
• M3: 865,274 km (0.1 R)
• M4: 1,082,191 km (0.063 R)
• M5: 1,704,668 km (0.065 R)
• M6: 2,382,795 km (0.113 R)
• M7: 2,881,405 km (0.073 R)
• M8: 3,348,150 km (0.104 R)
• M9: 11,064,857 km (0.071 R)
• M10: 15,385,094 km (0.081 R)
• M11: 19,803,168 km (0.037 R)
• M12: 21,303,036 km (0.106 R)
• M13: 22,520,613 km (0.109 R)
• M14: 23,236,888 km (0.072 R)
• M15: 24,620,668 km (0.083 R)
• M16: 27,856,769 km (0.107 R)
• M17: 31,144,781 km (0.031 R)
• M18: 31,698,143 km (0.094 R)
• M19: 33,282,833 km (0.108 R)
• M20: 36,364,400 km (0.073 R)
• M21: 39,760,421 km (0.037 R)
• M22: 41,202,545 km (0.071 R)
• M23: 46,165,903 km (0.085 R)
• M24: 48,051,734 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.6

Radius: 6.2

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.21 AU - 9.69 AU

Year: 19372 Days

Day: 20.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,516,690 km

• M1: 77,043 km (0.047 R)
• M2: 507,436 km (0.038 R)
• M3: 1,650,065 km (0.116 R)
• M4: 2,314,279 km (0.11 R)
• M5: 2,862,555 km (0.11 R)
• M6: 3,705,689 km (0.108 R)
• M7: 4,039,591 km (0.056 R)
• M8: 5,473,337 km (0.074 R)
• M9: 6,924,287 km (0.103 R)
• M10: 11,579,474 km (0.048 R)
• M11: 17,051,764 km (0.116 R)
• M12: 19,011,496 km (0.085 R)
• M13: 21,821,841 km (0.103 R)
• M14: 34,485,750 km (0.105 R)
• M15: 34,728,248 km (0.06 R)
• M16: 40,223,726 km (0.056 R)
• M17: 49,279,932 km (0.113 R)
• M18: 51,937,538 km (0.112 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 19,682 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit