🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.49 AU - 0.69 AU

Year: 293 Days

Day: 34 Hours

Environment

Temp: -135 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,467,441 km

• M1: 145,559 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.8

Radius: 11.4

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.81 AU - 0.95 AU

Year: 533 Days

Day: 14.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,467,441 km

• M1: 141,819 km (0.092 R)
• M2: 562,338 km (0.087 R)
• M3: 943,514 km (0.11 R)
• M4: 1,497,774 km (0.095 R)
• M5: 2,224,670 km (0.029 R)
• M6: 2,638,308 km (0.043 R)
• M7: 3,033,546 km (0.116 R)
• M8: 3,596,482 km (0.115 R)
• M9: 4,184,851 km (0.033 R)
• M10: 4,632,597 km (0.05 R)
• M11: 5,079,147 km (0.113 R)
• M12: 5,554,569 km (0.055 R)
• M13: 6,594,723 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.2

Radius: 14.3

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.41 AU - 2.43 AU

Year: 2431 Days

Day: 14.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,467,441 km

• M1: 177,872 km (0.098 R)
• M2: 633,697 km (0.053 R)
• M3: 1,405,322 km (0.092 R)
• M4: 3,179,104 km (0.119 R)
• M5: 3,678,312 km (0.094 R)
• M6: 5,312,370 km (0.043 R)
• M7: 6,599,211 km (0.056 R)
• M8: 8,022,485 km (0.07 R)
• M9: 14,148,368 km (0.106 R)
• M10: 16,200,253 km (0.099 R)
• M11: 17,375,942 km (0.103 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.9

Radius: 5.8

Gravity: 15.63 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.28 AU - 8.84 AU

Year: 16171 Days

Day: 25 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,467,441 km

• M1: 72,405 km (0.042 R)
• M2: 260,151 km (0.111 R)
• M3: 555,307 km (0.082 R)
• M4: 741,856 km (0.058 R)
• M5: 1,941,930 km (0.095 R)
• M6: 2,530,747 km (0.041 R)
• M7: 2,797,031 km (0.083 R)
• M8: 3,231,613 km (0.084 R)
• M9: 3,572,696 km (0.119 R)
• M10: 4,084,171 km (0.105 R)
• M11: 4,546,728 km (0.113 R)
• M12: 5,043,393 km (0.068 R)
• M13: 5,798,713 km (0.106 R)
• M14: 6,223,271 km (0.044 R)
• M15: 8,711,982 km (0.098 R)
• M16: 9,424,666 km (0.118 R)
• M17: 10,011,239 km (0.093 R)
• M18: 10,678,446 km (0.095 R)
• M19: 11,613,881 km (0.06 R)
• M20: 12,730,031 km (0.072 R)
• M21: 19,146,283 km (0.084 R)
• M22: 20,610,697 km (0.06 R)
• M23: 21,055,152 km (0.102 R)
• M24: 21,506,190 km (0.111 R)
• M25: 25,246,885 km (0.04 R)
• M26: 27,537,228 km (0.109 R)
• M27: 29,962,658 km (0.062 R)
• M28: 32,766,721 km (0.069 R)
• M29: 34,356,348 km (0.102 R)
• M30: 36,771,007 km (0.103 R)
• M31: 42,649,007 km (0.047 R)
• M32: 46,642,671 km (0.091 R)
• M33: 46,948,001 km (0.107 R)
• M34: 52,510,349 km (0.074 R)
• M35: 53,840,722 km (0.094 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 19,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit