🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.65 AU - 0.65 AU

Year: 189 Days

Day: 22.8 Hours

Environment

Temp: 147 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 85,247,502 km

• M1: 43,084 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.25 AU - 1.79 AU

Year: 674 Days

Day: 17.9 Hours

Environment

Temp: -28 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 13.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.3

Radius: 7.1

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 12.65 AU - 13.87 AU

Year: 17377 Days

Day: 16.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,247,502 km

• M1: 88,412 km (0.079 R)
• M2: 423,811 km (0.102 R)
• M3: 805,136 km (0.108 R)
• M4: 1,220,569 km (0.084 R)
• M5: 1,646,474 km (0.082 R)
• M6: 1,954,197 km (0.105 R)
• M7: 2,838,320 km (0.114 R)
• M8: 3,185,537 km (0.116 R)
• M9: 3,432,523 km (0.084 R)
• M10: 4,490,629 km (0.033 R)
• M11: 4,770,227 km (0.08 R)
• M12: 5,296,064 km (0.05 R)
• M13: 6,541,316 km (0.107 R)
• M14: 7,970,575 km (0.071 R)
• M15: 9,596,703 km (0.1 R)
• M16: 10,114,312 km (0.081 R)
• M17: 13,299,400 km (0.113 R)
• M18: 15,500,883 km (0.064 R)
• M19: 16,141,012 km (0.048 R)
• M20: 21,911,301 km (0.115 R)
• M21: 25,644,815 km (0.089 R)
• M22: 28,391,731 km (0.092 R)
• M23: 30,438,230 km (0.036 R)
• M24: 32,696,709 km (0.108 R)
• M25: 34,702,218 km (0.057 R)
• M26: 35,307,341 km (0.088 R)
• M27: 36,788,360 km (0.111 R)
• M28: 41,614,836 km (0.077 R)
• M29: 53,298,729 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.5

Radius: 7.2

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 17.24 AU - 17.9 AU

Year: 26505 Days

Day: 20.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,247,502 km

• M1: 89,609 km (0.078 R)
• M2: 400,623 km (0.047 R)
• M3: 1,296,415 km (0.102 R)
• M4: 2,060,860 km (0.106 R)
• M5: 3,436,562 km (0.083 R)
• M6: 4,062,629 km (0.069 R)
• M7: 5,337,802 km (0.114 R)
• M8: 8,596,642 km (0.069 R)
• M9: 9,625,576 km (0.119 R)
• M10: 10,231,447 km (0.108 R)
• M11: 10,543,808 km (0.07 R)
• M12: 11,253,500 km (0.097 R)
• M13: 11,789,210 km (0.103 R)
• M14: 12,271,813 km (0.057 R)
• M15: 12,767,580 km (0.106 R)
• M16: 14,335,066 km (0.065 R)
• M17: 15,044,609 km (0.074 R)
• M18: 16,194,568 km (0.06 R)
• M19: 17,051,016 km (0.042 R)
• M20: 18,853,969 km (0.076 R)
• M21: 20,483,389 km (0.046 R)
• M22: 22,413,202 km (0.094 R)
• M23: 23,368,235 km (0.101 R)
• M24: 25,019,945 km (0.091 R)
• M25: 26,513,081 km (0.095 R)
• M26: 27,221,876 km (0.091 R)
• M27: 28,677,313 km (0.089 R)
• M28: 34,040,995 km (0.048 R)
• M29: 43,690,357 km (0.117 R)
• M30: 54,254,809 km (0.041 R)
• M31: 61,140,799 km (0.096 R)
• M32: 65,325,650 km (0.064 R)
• M33: 66,617,428 km (0.079 R)
• M34: 67,051,860 km (0.116 R)
• M35: 72,641,734 km (0.082 R)
• M36: 75,431,884 km (0.095 R)
• M37: 80,731,239 km (0.101 R)
• M38: 84,483,303 km (0.061 R)

Kuiper Belt

Range: 30.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 16,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit