🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.12 AU - 1.5 AU

Year: 527 Days

Day: 46.6 Hours

Environment

Temp: 10 °C

Axial Tilt: 11 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.65 AU - 3.75 AU

Year: 2012 Days

Day: 37.3 Hours

Environment

Temp: -97 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.4

Radius: 11.1

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.99 AU - 7.23 AU

Year: 6663 Days

Day: 14.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,072,036 km

• M1: 139,724 km (0.054 R)
• M2: 635,043 km (0.065 R)
• M3: 1,467,705 km (0.11 R)
• M4: 2,509,803 km (0.044 R)
• M5: 3,844,067 km (0.086 R)
• M6: 4,477,315 km (0.093 R)
• M7: 6,350,280 km (0.116 R)
• M8: 6,872,526 km (0.11 R)
• M9: 7,348,098 km (0.104 R)
• M10: 8,613,097 km (0.053 R)
• M11: 14,191,004 km (0.076 R)
• M12: 14,843,101 km (0.115 R)
• M13: 16,854,444 km (0.068 R)
• M14: 18,269,191 km (0.098 R)
• M15: 21,180,515 km (0.078 R)
• M16: 27,086,490 km (0.097 R)
• M17: 27,448,666 km (0.115 R)
• M18: 28,835,438 km (0.105 R)
• M19: 31,051,880 km (0.093 R)
• M20: 34,110,558 km (0.086 R)
• M21: 35,604,443 km (0.072 R)
• M22: 36,587,600 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333

Radius: 10.3

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.43 AU - 10.55 AU

Year: 9474 Days

Day: 9.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,072,036 km

• M1: 129,103 km (0.103 R)
• M2: 586,274 km (0.077 R)
• M3: 2,069,238 km (0.077 R)
• M4: 2,411,966 km (0.098 R)
• M5: 3,563,122 km (0.038 R)
• M6: 4,235,415 km (0.119 R)
• M7: 4,710,987 km (0.091 R)
• M8: 7,992,266 km (0.079 R)
• M9: 9,057,702 km (0.116 R)
• M10: 9,447,854 km (0.106 R)
• M11: 11,977,254 km (0.118 R)
• M12: 17,056,551 km (0.067 R)
• M13: 19,739,289 km (0.119 R)
• M14: 33,499,002 km (0.109 R)
• M15: 35,278,918 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.6

Radius: 6.9

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 11.51 AU - 14.89 AU

Year: 16855 Days

Day: 15.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 62,072,036 km

• M1: 85,869 km (0.114 R)
• M2: 727,943 km (0.055 R)
• M3: 2,136,108 km (0.084 R)
• M4: 2,500,678 km (0.068 R)
• M5: 2,882,452 km (0.092 R)
• M6: 4,112,745 km (0.039 R)
• M7: 4,484,196 km (0.102 R)
• M8: 5,083,186 km (0.11 R)
• M9: 5,548,136 km (0.079 R)
• M10: 7,027,061 km (0.083 R)
• M11: 7,787,766 km (0.095 R)
• M12: 8,212,026 km (0.044 R)
• M13: 8,852,005 km (0.073 R)
• M14: 10,913,314 km (0.059 R)
• M15: 13,541,898 km (0.079 R)
• M16: 16,183,198 km (0.07 R)
• M17: 19,748,714 km (0.087 R)
• M18: 20,184,343 km (0.034 R)
• M19: 20,715,565 km (0.088 R)
• M20: 21,713,682 km (0.065 R)
• M21: 24,598,079 km (0.082 R)
• M22: 25,000,946 km (0.107 R)
• M23: 25,820,144 km (0.102 R)
• M24: 26,446,061 km (0.09 R)
• M25: 27,296,226 km (0.111 R)
• M26: 28,494,954 km (0.061 R)
• M27: 28,716,658 km (0.056 R)
• M28: 30,185,559 km (0.088 R)
• M29: 36,694,263 km (0.074 R)
• M30: 37,352,644 km (0.084 R)
• M31: 42,183,907 km (0.116 R)
• M32: 43,931,659 km (0.097 R)
• M33: 44,673,963 km (0.091 R)
• M34: 45,123,355 km (0.073 R)
• M35: 45,424,496 km (0.029 R)
• M36: 45,878,974 km (0.114 R)
• M37: 50,916,084 km (0.102 R)
• M38: 51,242,656 km (0.075 R)
• M39: 60,048,884 km (0.106 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 14,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit