🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.38 AU - 0.64 AU

Year: 235 Days

Day: 17.6 Hours

Environment

Temp: -107 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.7

Radius: 12.6

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.81 AU - 1.17 AU

Year: 636 Days

Day: 11.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,635,693 km

• M1: 156,629 km (0.09 R)
• M2: 595,699 km (0.113 R)
• M3: 1,063,192 km (0.063 R)
• M4: 1,467,705 km (0.111 R)
• M5: 2,275,832 km (0.113 R)
• M6: 2,692,313 km (0.115 R)
• M7: 3,172,522 km (0.08 R)
• M8: 3,906,748 km (0.067 R)
• M9: 4,384,265 km (0.117 R)
• M10: 4,968,145 km (0.092 R)
• M11: 5,621,738 km (0.115 R)
• M12: 6,657,404 km (0.086 R)
• M13: 7,101,561 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.8

Radius: 12.1

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.58 AU - 5.16 AU

Year: 6939 Days

Day: 9.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,635,693 km

• M1: 153,039 km (0.074 R)
• M2: 682,017 km (0.108 R)
• M3: 1,285,046 km (0.071 R)
• M4: 1,758,673 km (0.11 R)
• M5: 2,662,393 km (0.076 R)
• M6: 3,197,505 km (0.119 R)
• M7: 3,585,562 km (0.054 R)
• M8: 4,108,706 km (0.119 R)
• M9: 4,682,413 km (0.11 R)
• M10: 5,371,611 km (0.086 R)
• M11: 6,300,763 km (0.11 R)
• M12: 6,694,056 km (0.06 R)
• M13: 8,913,041 km (0.075 R)
• M14: 12,508,028 km (0.088 R)
• M15: 17,040,693 km (0.101 R)
• M16: 22,399,588 km (0.079 R)
• M17: 25,414,135 km (0.052 R)
• M18: 27,159,045 km (0.101 R)
• M19: 29,475,568 km (0.054 R)
• M20: 34,278,706 km (0.109 R)
• M21: 41,419,761 km (0.075 R)
• M22: 41,920,016 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.1

Radius: 3.5

Gravity: 33.72 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.49 AU - 9.73 AU

Year: 19235 Days

Day: 22.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,635,693 km

• M1: 56,997 km (0.098 R)
• M2: 299,944 km (0.091 R)
• M3: 466,147 km (0.083 R)
• M4: 719,117 km (0.119 R)
• M5: 2,963,833 km (0.091 R)
• M6: 3,532,604 km (0.113 R)
• M7: 5,231,288 km (0.051 R)
• M8: 6,459,486 km (0.05 R)
• M9: 8,249,126 km (0.053 R)
• M10: 9,256,967 km (0.04 R)
• M11: 12,130,143 km (0.07 R)
• M12: 13,294,763 km (0.099 R)
• M13: 14,391,016 km (0.044 R)
• M14: 17,232,927 km (0.107 R)
• M15: 18,120,491 km (0.085 R)
• M16: 20,161,903 km (0.097 R)
• M17: 20,516,301 km (0.11 R)
• M18: 25,202,304 km (0.105 R)
• M19: 27,846,596 km (0.1 R)
• M20: 45,825,418 km (0.095 R)
• M21: 57,879,267 km (0.047 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 15,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit