🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.5

Radius: 11.8

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.43 AU - 1.67 AU

Year: 1246 Days

Day: 9.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,347,253 km

• M1: 146,756 km (0.065 R)
• M2: 520,152 km (0.075 R)
• M3: 900,280 km (0.09 R)
• M4: 1,298,360 km (0.093 R)
• M5: 2,451,909 km (0.052 R)
• M6: 3,619,820 km (0.115 R)
• M7: 4,533,414 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.5

Radius: 10.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.75 AU - 2.09 AU

Year: 1718 Days

Day: 11.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,347,253 km

• M1: 125,662 km (0.061 R)
• M2: 520,750 km (0.05 R)
• M3: 862,581 km (0.041 R)
• M4: 1,389,016 km (0.097 R)
• M5: 1,884,634 km (0.12 R)
• M6: 2,429,918 km (0.09 R)
• M7: 2,914,915 km (0.066 R)
• M8: 3,381,061 km (0.098 R)
• M9: 4,220,754 km (0.093 R)
• M10: 4,801,792 km (0.063 R)
• M11: 5,841,647 km (0.085 R)
• M12: 6,457,392 km (0.053 R)
• M13: 7,414,519 km (0.074 R)
• M14: 7,866,454 km (0.102 R)
• M15: 8,286,376 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.7

Radius: 8.8

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.18 AU - 3.08 AU

Year: 2754 Days

Day: 6.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,347,253 km

• M1: 109,655 km (0.115 R)
• M2: 404,363 km (0.103 R)
• M3: 839,244 km (0.079 R)
• M4: 1,117,047 km (0.11 R)
• M5: 1,772,585 km (0.099 R)
• M6: 3,500,740 km (0.104 R)
• M7: 4,262,343 km (0.069 R)
• M8: 5,735,882 km (0.076 R)
• M9: 7,522,379 km (0.099 R)
• M10: 8,508,080 km (0.104 R)
• M11: 9,211,489 km (0.056 R)
• M12: 10,067,787 km (0.113 R)
• M13: 13,000,803 km (0.076 R)
• M14: 14,318,760 km (0.068 R)
• M15: 15,060,466 km (0.12 R)
• M16: 16,459,655 km (0.115 R)
• M17: 17,606,323 km (0.054 R)
• M18: 17,886,969 km (0.114 R)
• M19: 20,487,578 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.4

Radius: 9.7

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.18 AU - 3.42 AU

Year: 3025 Days

Day: 12.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,347,253 km

• M1: 121,174 km (0.049 R)
• M2: 431,141 km (0.12 R)
• M3: 748,737 km (0.078 R)
• M4: 1,306,289 km (0.108 R)
• M5: 2,290,044 km (0.106 R)
• M6: 3,931,582 km (0.061 R)
• M7: 4,296,600 km (0.054 R)
• M8: 5,662,878 km (0.059 R)
• M9: 8,398,574 km (0.087 R)
• M10: 10,799,769 km (0.09 R)
• M11: 13,384,970 km (0.093 R)
• M12: 14,616,909 km (0.112 R)
• M13: 15,078,418 km (0.114 R)
• M14: 15,976,753 km (0.101 R)
• M15: 16,687,343 km (0.084 R)
• M16: 17,022,443 km (0.119 R)
• M17: 18,054,668 km (0.096 R)
• M18: 19,495,146 km (0.11 R)
• M19: 21,010,722 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.3

Radius: 5.8

Gravity: 27.3 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.96 AU - 9.58 AU

Year: 15356 Days

Day: 18.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,347,253 km

• M1: 72,106 km (0.101 R)
• M2: 461,809 km (0.087 R)
• M3: 800,199 km (0.094 R)
• M4: 1,251,087 km (0.09 R)
• M5: 2,506,812 km (0.097 R)
• M6: 2,834,281 km (0.064 R)
• M7: 3,405,895 km (0.1 R)
• M8: 4,880,182 km (0.055 R)
• M9: 12,747,085 km (0.112 R)
• M10: 14,213,593 km (0.109 R)
• M11: 16,659,069 km (0.105 R)
• M12: 17,146,908 km (0.117 R)
• M13: 18,754,636 km (0.078 R)
• M14: 22,168,908 km (0.113 R)
• M15: 22,364,433 km (0.09 R)
• M16: 24,906,849 km (0.065 R)
• M17: 25,651,846 km (0.105 R)
• M18: 27,410,369 km (0.107 R)
• M19: 28,319,027 km (0.066 R)
• M20: 32,405,741 km (0.112 R)
• M21: 43,382,335 km (0.111 R)
• M22: 52,334,122 km (0.117 R)
• M23: 61,859,318 km (0.087 R)
• M24: 63,027,528 km (0.066 R)
• M25: 68,674,099 km (0.072 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: 285 - 14,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit