🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.7 AU - 0.74 AU

Year: 227 Days

Day: 29.5 Hours

Environment

Temp: 122 °C

Axial Tilt: 17.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,079,116 km

• M1: 150,495 km (0.046 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.19 AU - 4.01 AU

Year: 2533 Days

Day: 43.2 Hours

Environment

Temp: -111 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738

Radius: 11.1

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.96 AU - 5.02 AU

Year: 4134 Days

Day: 7.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,079,116 km

• M1: 141,370 km (0.108 R)
• M2: 598,541 km (0.094 R)
• M3: 1,002,306 km (0.076 R)
• M4: 1,403,826 km (0.041 R)
• M5: 1,797,418 km (0.077 R)
• M6: 3,369,094 km (0.097 R)
• M7: 4,877,040 km (0.11 R)
• M8: 5,404,223 km (0.081 R)
• M9: 7,486,027 km (0.117 R)
• M10: 8,481,900 km (0.069 R)
• M11: 9,206,552 km (0.031 R)
• M12: 9,563,941 km (0.061 R)
• M13: 11,675,515 km (0.07 R)
• M14: 12,475,714 km (0.12 R)
• M15: 13,718,574 km (0.099 R)
• M16: 16,682,107 km (0.073 R)
• M17: 17,454,631 km (0.089 R)
• M18: 17,941,871 km (0.05 R)
• M19: 19,264,017 km (0.091 R)
• M20: 19,718,944 km (0.088 R)
• M21: 22,888,474 km (0.105 R)
• M22: 24,291,553 km (0.108 R)
• M23: 25,129,600 km (0.032 R)
• M24: 25,516,909 km (0.06 R)
• M25: 27,024,855 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.2

Radius: 7.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 18.65 AU - 18.91 AU

Year: 30182 Days

Day: 20.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,079,116 km

• M1: 88,263 km (0.072 R)
• M2: 430,692 km (0.051 R)
• M3: 690,245 km (0.095 R)
• M4: 1,032,375 km (0.117 R)
• M5: 2,258,030 km (0.103 R)
• M6: 2,827,250 km (0.047 R)
• M7: 3,460,947 km (0.111 R)
• M8: 3,855,137 km (0.105 R)
• M9: 5,474,833 km (0.096 R)
• M10: 5,776,871 km (0.08 R)
• M11: 6,010,543 km (0.052 R)
• M12: 6,373,019 km (0.057 R)
• M13: 7,734,360 km (0.081 R)
• M14: 11,319,323 km (0.095 R)
• M15: 12,638,028 km (0.073 R)
• M16: 13,166,408 km (0.066 R)
• M17: 14,056,216 km (0.055 R)
• M18: 15,502,528 km (0.086 R)
• M19: 16,650,542 km (0.038 R)
• M20: 18,858,008 km (0.093 R)
• M21: 20,433,424 km (0.117 R)
• M22: 22,284,697 km (0.099 R)
• M23: 22,667,967 km (0.091 R)
• M24: 23,153,262 km (0.119 R)
• M25: 26,961,575 km (0.116 R)
• M26: 29,643,267 km (0.037 R)
• M27: 34,117,889 km (0.076 R)
• M28: 38,746,297 km (0.054 R)
• M29: 40,283,116 km (0.081 R)
• M30: 46,369,655 km (0.063 R)
• M31: 47,308,831 km (0.088 R)
• M32: 49,387,044 km (0.068 R)
• M33: 53,896,522 km (0.111 R)
• M34: 57,948,082 km (0.076 R)
• M35: 62,957,965 km (0.07 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 17,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit