🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.7

Radius: 14.2

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.54 AU - 0.72 AU

Year: 339 Days

Day: 11.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 85,031,064 km

• M1: 176,675 km (0.113 R)
• M2: 744,698 km (0.062 R)
• M3: 1,234,033 km (0.117 R)
• M4: 1,733,241 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.1

Radius: 9.9

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.58 AU - 0.74 AU

Year: 364 Days

Day: 13.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,031,064 km

• M1: 123,269 km (0.047 R)
• M2: 450,140 km (0.11 R)
• M3: 764,595 km (0.056 R)
• M4: 1,218,624 km (0.072 R)
• M5: 1,551,180 km (0.103 R)
• M6: 2,085,694 km (0.04 R)
• M7: 2,768,309 km (0.106 R)
• M8: 3,093,086 km (0.12 R)
• M9: 3,593,341 km (0.075 R)
• M10: 4,784,589 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.9

Radius: 10.3

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.99 AU - 2.27 AU

Year: 2108 Days

Day: 8.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,031,064 km

• M1: 128,355 km (0.048 R)
• M2: 597,045 km (0.089 R)
• M3: 1,120,488 km (0.069 R)
• M4: 1,554,471 km (0.111 R)
• M5: 1,900,940 km (0.074 R)
• M6: 2,417,502 km (0.098 R)
• M7: 3,168,932 km (0.054 R)
• M8: 3,538,139 km (0.079 R)
• M9: 3,898,670 km (0.109 R)
• M10: 4,283,885 km (0.08 R)
• M11: 5,290,080 km (0.041 R)
• M12: 5,985,560 km (0.071 R)
• M13: 6,526,357 km (0.086 R)
• M14: 6,959,891 km (0.105 R)
• M15: 7,470,768 km (0.062 R)
• M16: 8,098,032 km (0.042 R)
• M17: 8,567,320 km (0.055 R)
• M18: 9,087,921 km (0.073 R)
• M19: 9,768,143 km (0.111 R)
• M20: 10,777,031 km (0.12 R)
• M21: 11,774,699 km (0.112 R)
• M22: 13,601,738 km (0.073 R)
• M23: 14,086,584 km (0.073 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.6

Radius: 7.1

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.44 AU - 7.52 AU

Year: 11188 Days

Day: 22.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,031,064 km

• M1: 88,263 km (0.068 R)
• M2: 444,006 km (0.111 R)
• M3: 692,638 km (0.072 R)
• M4: 1,036,264 km (0.108 R)
• M5: 1,390,063 km (0.109 R)
• M6: 1,990,699 km (0.106 R)
• M7: 3,767,024 km (0.107 R)
• M8: 4,893,496 km (0.109 R)
• M9: 5,439,229 km (0.113 R)
• M10: 7,632,932 km (0.098 R)
• M11: 8,241,048 km (0.092 R)
• M12: 9,280,603 km (0.086 R)
• M13: 10,068,086 km (0.107 R)
• M14: 11,988,325 km (0.102 R)
• M15: 12,366,957 km (0.11 R)
• M16: 15,753,105 km (0.079 R)
• M17: 20,620,870 km (0.053 R)
• M18: 21,321,586 km (0.09 R)
• M19: 25,684,907 km (0.115 R)
• M20: 26,043,194 km (0.035 R)
• M21: 27,046,098 km (0.09 R)
• M22: 27,417,101 km (0.073 R)
• M23: 27,791,395 km (0.105 R)
• M24: 30,208,896 km (0.05 R)
• M25: 31,315,621 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.4

Radius: 4.7

Gravity: 43.21 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 9.45 AU - 9.65 AU

Year: 20017 Days

Day: 16.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 85,031,064 km

• M1: 58,493 km (0.114 R)
• M2: 426,504 km (0.054 R)
• M3: 988,094 km (0.088 R)
• M4: 1,484,011 km (0.087 R)
• M5: 2,895,317 km (0.109 R)
• M6: 3,139,910 km (0.089 R)
• M7: 3,487,426 km (0.102 R)
• M8: 4,089,407 km (0.026 R)
• M9: 5,098,894 km (0.118 R)
• M10: 6,353,870 km (0.111 R)
• M11: 7,495,901 km (0.101 R)
• M12: 8,880,578 km (0.111 R)
• M13: 9,222,709 km (0.064 R)
• M14: 10,489,952 km (0.068 R)
• M15: 10,872,324 km (0.084 R)
• M16: 11,132,475 km (0.106 R)
• M17: 11,937,461 km (0.095 R)
• M18: 12,997,512 km (0.069 R)
• M19: 13,438,526 km (0.061 R)
• M20: 15,061,065 km (0.105 R)
• M21: 15,222,182 km (0.08 R)
• M22: 17,688,153 km (0.119 R)
• M23: 18,968,711 km (0.113 R)
• M24: 20,017,242 km (0.062 R)
• M25: 23,394,115 km (0.057 R)
• M26: 24,266,271 km (0.064 R)
• M27: 25,273,363 km (0.112 R)
• M28: 26,894,556 km (0.089 R)
• M29: 29,204,048 km (0.088 R)
• M30: 30,988,002 km (0.116 R)
• M31: 31,248,602 km (0.114 R)
• M32: 32,708,378 km (0.078 R)
• M33: 37,951,484 km (0.093 R)
• M34: 39,918,845 km (0.04 R)
• M35: 42,272,319 km (0.108 R)
• M36: 50,602,078 km (0.075 R)
• M37: 56,399,893 km (0.099 R)
• M38: 59,961,519 km (0.099 R)
• M39: 61,797,235 km (0.106 R)
• M40: 67,747,490 km (0.051 R)
• M41: 73,835,974 km (0.097 R)
• M42: 76,180,472 km (0.102 R)
• M43: 76,417,584 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 13,388 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit