🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.89 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.34 AU - 2.2 AU

Year: 864 Days

Day: 44.8 Hours

Environment

Temp: -55 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.72 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.7

Radius: 10.2

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.68 AU - 6.66 AU

Year: 4956 Days

Day: 14.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 96,180,794 km

• M1: 127,757 km (0.11 R)
• M2: 737,069 km (0.113 R)
• M3: 1,348,176 km (0.106 R)
• M4: 1,958,087 km (0.118 R)
• M5: 2,619,309 km (0.051 R)
• M6: 3,118,966 km (0.062 R)
• M7: 5,841,498 km (0.117 R)
• M8: 9,387,865 km (0.105 R)
• M9: 16,480,749 km (0.053 R)
• M10: 17,987,498 km (0.083 R)
• M11: 19,652,672 km (0.051 R)
• M12: 20,628,798 km (0.08 R)
• M13: 22,526,896 km (0.118 R)
• M14: 23,751,205 km (0.077 R)
• M15: 26,332,068 km (0.075 R)
• M16: 27,863,202 km (0.092 R)
• M17: 29,904,914 km (0.066 R)

Planet 3 - Ice Giant

Semi-Major Axis: 17.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506

Radius: 6.3

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 14.1 AU - 20.38 AU

Year: 26277 Days

Day: 23.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 96,180,794 km

• M1: 78,389 km (0.079 R)
• M2: 299,794 km (0.095 R)
• M3: 535,411 km (0.035 R)
• M4: 1,461,272 km (0.118 R)
• M5: 2,151,816 km (0.094 R)
• M6: 2,704,131 km (0.1 R)
• M7: 3,067,654 km (0.113 R)
• M8: 3,463,340 km (0.041 R)
• M9: 4,086,715 km (0.108 R)
• M10: 5,005,844 km (0.049 R)
• M11: 5,314,464 km (0.075 R)
• M12: 7,052,492 km (0.101 R)
• M13: 8,473,822 km (0.088 R)
• M14: 10,948,769 km (0.119 R)
• M15: 11,272,349 km (0.061 R)
• M16: 12,006,426 km (0.029 R)
• M17: 13,867,872 km (0.09 R)
• M18: 14,554,676 km (0.081 R)
• M19: 17,529,878 km (0.1 R)
• M20: 19,159,298 km (0.06 R)
• M21: 20,203,192 km (0.113 R)
• M22: 27,631,475 km (0.074 R)
• M23: 32,409,930 km (0.119 R)
• M24: 42,125,264 km (0.105 R)
• M25: 47,553,124 km (0.077 R)
• M26: 51,059,848 km (0.073 R)
• M27: 52,876,115 km (0.03 R)
• M28: 53,614,530 km (0.105 R)
• M29: 59,571,966 km (0.101 R)
• M30: 61,991,712 km (0.103 R)
• M31: 67,026,428 km (0.101 R)
• M32: 77,662,239 km (0.093 R)
• M33: 81,279,515 km (0.106 R)
• M34: 82,016,285 km (0.103 R)
• M35: 82,509,808 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.1

Radius: 3.6

Gravity: 41.13 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 17.4 AU - 22.1 AU

Year: 32220 Days

Day: 19.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 96,180,794 km

• M1: 44,879 km (0.117 R)
• M2: 223,649 km (0.079 R)
• M3: 350,209 km (0.078 R)
• M4: 1,199,326 km (0.032 R)
• M5: 1,564,943 km (0.031 R)
• M6: 2,317,421 km (0.08 R)
• M7: 3,194,962 km (0.062 R)
• M8: 3,314,640 km (0.091 R)
• M9: 3,659,014 km (0.089 R)
• M10: 4,061,582 km (0.052 R)
• M11: 5,791,382 km (0.08 R)
• M12: 7,015,691 km (0.097 R)
• M13: 7,688,283 km (0.096 R)
• M14: 7,958,008 km (0.078 R)
• M15: 8,516,457 km (0.113 R)
• M16: 8,922,466 km (0.069 R)
• M17: 9,341,340 km (0.117 R)
• M18: 9,962,321 km (0.107 R)
• M19: 11,012,348 km (0.087 R)
• M20: 13,797,561 km (0.048 R)
• M21: 14,931,812 km (0.11 R)
• M22: 16,747,482 km (0.085 R)
• M23: 20,091,742 km (0.035 R)
• M24: 20,810,111 km (0.118 R)
• M25: 21,439,320 km (0.081 R)
• M26: 25,841,536 km (0.08 R)
• M27: 26,082,239 km (0.101 R)
• M28: 26,203,114 km (0.049 R)
• M29: 28,444,090 km (0.065 R)
• M30: 32,178,801 km (0.115 R)
• M31: 35,332,623 km (0.112 R)
• M32: 44,621,604 km (0.068 R)
• M33: 51,896,100 km (0.111 R)
• M34: 52,087,435 km (0.057 R)
• M35: 57,433,016 km (0.053 R)
• M36: 70,596,133 km (0.111 R)
• M37: 73,209,009 km (0.11 R)
• M38: 75,885,465 km (0.065 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 12,962 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit