🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.2

Radius: 9.9

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.74 AU - 0.76 AU

Year: 433 Days

Day: 8.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,318,886 km

• M1: 123,269 km (0.109 R)
• M2: 568,472 km (0.111 R)
• M3: 1,563,148 km (0.117 R)
• M4: 2,253,393 km (0.071 R)
• M5: 2,724,925 km (0.098 R)
• M6: 3,157,712 km (0.053 R)
• M7: 4,487,188 km (0.04 R)
• M8: 4,952,288 km (0.116 R)
• M9: 6,050,037 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733

Radius: 14.5

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.84 AU - 1.86 AU

Year: 1678 Days

Day: 8.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,318,886 km

• M1: 184,604 km (0.046 R)
• M2: 681,418 km (0.1 R)
• M3: 1,233,434 km (0.073 R)
• M4: 1,799,662 km (0.093 R)
• M5: 2,513,394 km (0.058 R)
• M6: 4,264,287 km (0.087 R)
• M7: 4,772,621 km (0.11 R)
• M8: 6,078,909 km (0.104 R)
• M9: 6,699,741 km (0.073 R)
• M10: 7,280,928 km (0.09 R)
• M11: 8,304,627 km (0.101 R)
• M12: 8,758,656 km (0.1 R)
• M13: 9,883,333 km (0.107 R)
• M14: 14,391,166 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.2

Radius: 12.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.48 AU - 2.74 AU

Year: 2812 Days

Day: 11.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,318,886 km

• M1: 153,787 km (0.092 R)
• M2: 724,802 km (0.109 R)
• M3: 1,134,101 km (0.117 R)
• M4: 1,929,364 km (0.089 R)
• M5: 2,698,596 km (0.117 R)
• M6: 3,273,201 km (0.09 R)
• M7: 5,063,738 km (0.096 R)
• M8: 5,501,761 km (0.071 R)
• M9: 6,056,171 km (0.086 R)
• M10: 11,319,622 km (0.087 R)
• M11: 12,895,187 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.3

Radius: 4.8

Gravity: 16.03 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.31 AU - 11.43 AU

Year: 20678 Days

Day: 21.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,318,886 km

• M1: 59,690 km (0.052 R)
• M2: 392,994 km (0.09 R)
• M3: 653,892 km (0.112 R)
• M4: 880,683 km (0.081 R)
• M5: 1,236,875 km (0.063 R)
• M6: 1,716,935 km (0.104 R)
• M7: 1,944,174 km (0.108 R)
• M8: 2,374,567 km (0.057 R)
• M9: 5,979,277 km (0.108 R)
• M10: 7,547,661 km (0.051 R)
• M11: 7,778,790 km (0.095 R)
• M12: 8,062,428 km (0.056 R)
• M13: 9,530,880 km (0.059 R)
• M14: 10,243,714 km (0.104 R)
• M15: 10,470,056 km (0.1 R)
• M16: 12,920,170 km (0.071 R)
• M17: 13,587,526 km (0.092 R)
• M18: 15,063,309 km (0.104 R)
• M19: 16,565,122 km (0.108 R)
• M20: 19,950,372 km (0.076 R)
• M21: 21,572,163 km (0.112 R)
• M22: 28,380,661 km (0.056 R)
• M23: 29,278,547 km (0.03 R)
• M24: 30,195,133 km (0.106 R)
• M25: 32,327,053 km (0.047 R)
• M26: 32,570,000 km (0.111 R)
• M27: 33,678,221 km (0.097 R)
• M28: 36,230,510 km (0.082 R)
• M29: 36,755,898 km (0.102 R)
• M30: 37,419,963 km (0.097 R)
• M31: 39,737,234 km (0.091 R)
• M32: 48,045,002 km (0.029 R)
• M33: 55,330,717 km (0.086 R)
• M34: 56,377,902 km (0.113 R)
• M35: 63,318,944 km (0.04 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 16,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit