🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.4

Radius: 11.8

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.04 AU - 1.14 AU

Year: 786 Days

Day: 13 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,979,741 km

• M1: 146,756 km (0.093 R)
• M2: 565,480 km (0.109 R)
• M3: 1,897,350 km (0.113 R)
• M4: 2,565,454 km (0.094 R)
• M5: 3,075,283 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.7

Radius: 8

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.26 AU - 2.06 AU

Year: 1476 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,979,741 km

• M1: 105,317 km (0.111 R)
• M2: 567,724 km (0.093 R)
• M3: 874,549 km (0.104 R)
• M4: 2,074,773 km (0.065 R)
• M5: 2,965,329 km (0.116 R)
• M6: 3,561,327 km (0.105 R)
• M7: 4,928,951 km (0.091 R)
• M8: 6,791,295 km (0.114 R)
• M9: 7,907,444 km (0.104 R)
• M10: 11,049,448 km (0.088 R)
• M11: 11,403,397 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.5

Radius: 12.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.45 AU - 4.65 AU

Year: 5626 Days

Day: 12.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,979,741 km

• M1: 166,951 km (0.105 R)
• M2: 984,204 km (0.085 R)
• M3: 2,082,103 km (0.103 R)
• M4: 2,743,775 km (0.118 R)
• M5: 3,382,857 km (0.077 R)
• M6: 4,255,910 km (0.109 R)
• M7: 4,733,576 km (0.112 R)
• M8: 6,664,585 km (0.06 R)
• M9: 9,506,197 km (0.116 R)
• M10: 11,554,491 km (0.058 R)
• M11: 12,779,398 km (0.045 R)
• M12: 15,265,864 km (0.104 R)
• M13: 18,681,184 km (0.097 R)
• M14: 20,432,825 km (0.071 R)
• M15: 22,576,114 km (0.11 R)
• M16: 26,581,148 km (0.04 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.4

Radius: 5.3

Gravity: 20.34 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.57 AU - 9.81 AU

Year: 17682 Days

Day: 19.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,979,741 km

• M1: 66,122 km (0.099 R)
• M2: 463,305 km (0.102 R)
• M3: 1,320,500 km (0.095 R)
• M4: 3,711,374 km (0.091 R)
• M5: 4,477,165 km (0.072 R)
• M6: 4,675,532 km (0.101 R)
• M7: 5,161,575 km (0.036 R)
• M8: 9,495,276 km (0.1 R)
• M9: 10,735,891 km (0.109 R)
• M10: 11,212,809 km (0.096 R)
• M11: 11,456,355 km (0.047 R)
• M12: 12,080,926 km (0.097 R)
• M13: 15,472,908 km (0.077 R)
• M14: 15,851,091 km (0.117 R)
• M15: 18,419,238 km (0.093 R)
• M16: 19,713,409 km (0.072 R)
• M17: 21,908,010 km (0.111 R)
• M18: 24,361,864 km (0.09 R)
• M19: 24,976,860 km (0.079 R)
• M20: 25,602,329 km (0.032 R)
• M21: 28,096,425 km (0.112 R)
• M22: 32,195,107 km (0.078 R)
• M23: 42,578,546 km (0.104 R)
• M24: 43,022,852 km (0.087 R)
• M25: 51,727,653 km (0.084 R)
• M26: 54,464,246 km (0.054 R)
• M27: 58,747,533 km (0.114 R)
• M28: 60,783,560 km (0.103 R)
• M29: 64,800,412 km (0.069 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: 272 - 10,586 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit