🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.8

Radius: 11

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.16 AU - 1.68 AU

Year: 1189 Days

Day: 11.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,668,307 km

• M1: 136,732 km (0.114 R)
• M2: 652,247 km (0.102 R)
• M3: 1,068,578 km (0.109 R)
• M4: 1,535,024 km (0.034 R)
• M5: 2,192,357 km (0.096 R)
• M6: 2,651,921 km (0.079 R)
• M7: 4,321,583 km (0.118 R)
• M8: 4,847,420 km (0.076 R)
• M9: 5,762,510 km (0.112 R)
• M10: 6,460,833 km (0.116 R)
• M11: 7,367,994 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.1

Radius: 9.5

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.46 AU - 1.66 AU

Year: 1370 Days

Day: 12.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,668,307 km

• M1: 118,482 km (0.067 R)
• M2: 694,284 km (0.113 R)
• M3: 1,060,350 km (0.041 R)
• M4: 1,416,841 km (0.117 R)
• M5: 1,862,942 km (0.12 R)
• M6: 2,344,049 km (0.12 R)
• M7: 2,751,554 km (0.093 R)
• M8: 3,571,350 km (0.119 R)
• M9: 4,782,494 km (0.106 R)
• M10: 6,181,833 km (0.11 R)
• M11: 9,706,957 km (0.034 R)
• M12: 10,194,496 km (0.116 R)
• M13: 10,634,314 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.1

Radius: 11.2

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.17 AU - 4.83 AU

Year: 6710 Days

Day: 13.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,668,307 km

• M1: 139,276 km (0.117 R)
• M2: 531,222 km (0.094 R)
• M3: 3,102,061 km (0.097 R)
• M4: 4,609,559 km (0.074 R)
• M5: 6,758,233 km (0.092 R)
• M6: 9,836,658 km (0.062 R)
• M7: 12,128,049 km (0.078 R)
• M8: 13,329,021 km (0.096 R)
• M9: 20,485,783 km (0.025 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.6

Radius: 3.1

Gravity: 91.53 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.66 AU - 7.56 AU

Year: 10616 Days

Day: 18.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,668,307 km

• M1: 38,746 km (0.119 R)
• M2: 144,362 km (0.096 R)
• M3: 655,687 km (0.115 R)
• M4: 835,355 km (0.098 R)
• M5: 1,332,767 km (0.045 R)
• M6: 1,590,973 km (0.096 R)
• M7: 1,732,044 km (0.057 R)
• M8: 2,244,118 km (0.088 R)
• M9: 3,203,190 km (0.111 R)
• M10: 3,352,339 km (0.092 R)
• M11: 3,800,085 km (0.12 R)
• M12: 4,437,073 km (0.116 R)
• M13: 5,699,679 km (0.115 R)
• M14: 5,918,690 km (0.114 R)
• M15: 7,395,969 km (0.107 R)
• M16: 7,700,700 km (0.08 R)
• M17: 8,150,391 km (0.058 R)
• M18: 10,997,089 km (0.08 R)
• M19: 13,521,553 km (0.104 R)
• M20: 16,188,285 km (0.055 R)
• M21: 18,070,226 km (0.053 R)
• M22: 21,727,445 km (0.089 R)
• M23: 23,355,818 km (0.119 R)
• M24: 24,485,431 km (0.105 R)
• M25: 24,773,407 km (0.041 R)
• M26: 26,649,963 km (0.106 R)
• M27: 35,470,553 km (0.081 R)
• M28: 38,233,476 km (0.113 R)
• M29: 38,491,532 km (0.109 R)
• M30: 38,880,935 km (0.106 R)
• M31: 47,080,095 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455

Radius: 6.9

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.4 AU - 9.88 AU

Year: 21039 Days

Day: 18.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,668,307 km

• M1: 125,064 km (0.065 R)
• M2: 399,576 km (0.104 R)
• M3: 748,588 km (0.076 R)
• M4: 998,715 km (0.1 R)
• M5: 1,376,600 km (0.093 R)
• M6: 2,312,185 km (0.079 R)
• M7: 2,877,665 km (0.042 R)
• M8: 3,102,510 km (0.063 R)
• M9: 3,731,420 km (0.056 R)
• M10: 4,280,593 km (0.105 R)
• M11: 6,892,871 km (0.057 R)
• M12: 8,761,947 km (0.116 R)
• M13: 9,840,698 km (0.118 R)
• M14: 10,646,880 km (0.117 R)
• M15: 14,973,849 km (0.087 R)
• M16: 16,749,277 km (0.106 R)
• M17: 19,007,307 km (0.11 R)
• M18: 19,892,777 km (0.075 R)
• M19: 21,272,069 km (0.076 R)
• M20: 25,154,433 km (0.112 R)
• M21: 29,601,529 km (0.113 R)
• M22: 30,549,830 km (0.072 R)
• M23: 32,882,809 km (0.037 R)
• M24: 33,643,514 km (0.078 R)
• M25: 34,028,280 km (0.111 R)
• M26: 34,937,386 km (0.11 R)
• M27: 35,729,357 km (0.114 R)
• M28: 39,584,494 km (0.081 R)
• M29: 42,055,552 km (0.106 R)
• M30: 45,247,522 km (0.096 R)
• M31: 45,873,439 km (0.115 R)
• M32: 47,624,033 km (0.05 R)
• M33: 49,418,759 km (0.034 R)
• M34: 50,584,126 km (0.096 R)
• M35: 50,920,422 km (0.102 R)
• M36: 53,142,699 km (0.078 R)
• M37: 56,325,244 km (0.093 R)
• M38: 58,331,351 km (0.035 R)
• M39: 64,044,195 km (0.053 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 11,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit