🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108

Radius: 14.9

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.78 AU - 0.94 AU

Year: 532 Days

Day: 8.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 135.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,948,193 km

• M1: 185,352 km (0.071 R)
• M2: 940,073 km (0.106 R)
• M3: 1,477,578 km (0.095 R)
• M4: 2,268,203 km (0.044 R)
• M5: 3,299,979 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.7

Radius: 11.8

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.92 AU - 3.06 AU

Year: 2620 Days

Day: 14.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 88.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,948,193 km

• M1: 150,047 km (0.06 R)
• M2: 614,548 km (0.04 R)
• M3: 1,267,842 km (0.092 R)
• M4: 1,830,330 km (0.058 R)
• M5: 2,211,655 km (0.077 R)
• M6: 3,104,006 km (0.114 R)
• M7: 3,556,839 km (0.099 R)
• M8: 4,373,793 km (0.057 R)
• M9: 4,850,561 km (0.087 R)
• M10: 6,099,704 km (0.11 R)
• M11: 7,024,368 km (0.044 R)
• M12: 8,548,920 km (0.104 R)
• M13: 9,444,562 km (0.081 R)
• M14: 10,883,544 km (0.107 R)
• M15: 12,066,115 km (0.08 R)
• M16: 13,662,474 km (0.105 R)
• M17: 14,046,342 km (0.093 R)
• M18: 14,536,425 km (0.119 R)
• M19: 17,606,622 km (0.111 R)
• M20: 19,173,660 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55

Radius: 9.2

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.68 AU - 3.02 AU

Year: 3208 Days

Day: 12.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,948,193 km

• M1: 122,820 km (0.073 R)
• M2: 458,517 km (0.076 R)
• M3: 1,484,460 km (0.12 R)
• M4: 1,860,100 km (0.107 R)
• M5: 2,520,575 km (0.088 R)
• M6: 3,963,895 km (0.07 R)
• M7: 4,385,162 km (0.066 R)
• M8: 8,351,451 km (0.058 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.8

Radius: 7.9

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.18 AU - 11.68 AU

Year: 20867 Days

Day: 17.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,948,193 km

• M1: 98,884 km (0.092 R)
• M2: 511,774 km (0.112 R)
• M3: 1,835,715 km (0.029 R)
• M4: 2,678,101 km (0.086 R)
• M5: 4,066,220 km (0.098 R)
• M6: 4,808,524 km (0.084 R)
• M7: 5,287,686 km (0.097 R)
• M8: 5,879,944 km (0.074 R)
• M9: 8,175,972 km (0.11 R)
• M10: 9,808,833 km (0.116 R)
• M11: 11,909,636 km (0.075 R)
• M12: 12,376,681 km (0.068 R)
• M13: 13,706,157 km (0.058 R)
• M14: 14,668,969 km (0.081 R)
• M15: 17,146,010 km (0.039 R)
• M16: 17,569,971 km (0.104 R)
• M17: 28,173,767 km (0.059 R)
• M18: 31,209,856 km (0.09 R)
• M19: 36,093,029 km (0.072 R)
• M20: 37,070,801 km (0.102 R)
• M21: 38,788,035 km (0.085 R)
• M22: 42,534,415 km (0.056 R)
• M23: 55,025,089 km (0.057 R)
• M24: 60,715,941 km (0.056 R)
• M25: 66,578,233 km (0.103 R)
• M26: 69,110,626 km (0.039 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 19,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit