🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.6

Radius: 13.9

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.96 AU - 1.18 AU

Year: 738 Days

Day: 10.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,385,409 km

• M1: 172,935 km (0.119 R)
• M2: 638,633 km (0.065 R)
• M3: 1,469,350 km (0.084 R)
• M4: 2,006,407 km (0.099 R)
• M5: 2,666,881 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.8

Radius: 11.6

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.19 AU - 1.91 AU

Year: 1287 Days

Day: 14.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,385,409 km

• M1: 144,212 km (0.104 R)
• M2: 550,371 km (0.117 R)
• M3: 1,080,396 km (0.069 R)
• M4: 1,842,597 km (0.103 R)
• M5: 2,473,900 km (0.05 R)
• M6: 3,318,380 km (0.116 R)
• M7: 3,998,751 km (0.099 R)
• M8: 5,303,245 km (0.099 R)
• M9: 5,723,615 km (0.1 R)
• M10: 6,143,536 km (0.059 R)
• M11: 8,143,061 km (0.118 R)
• M12: 9,717,279 km (0.118 R)
• M13: 11,659,508 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816

Radius: 9.8

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.11 AU - 2.35 AU

Year: 2221 Days

Day: 7.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,385,409 km

• M1: 125,513 km (0.103 R)
• M2: 564,134 km (0.055 R)
• M3: 895,343 km (0.112 R)
• M4: 1,219,971 km (0.034 R)
• M5: 1,532,929 km (0.063 R)
• M6: 2,019,422 km (0.073 R)
• M7: 2,477,640 km (0.084 R)
• M8: 2,785,213 km (0.092 R)
• M9: 3,102,061 km (0.045 R)
• M10: 3,532,006 km (0.083 R)
• M11: 5,089,170 km (0.11 R)
• M12: 5,968,207 km (0.091 R)
• M13: 6,363,145 km (0.116 R)
• M14: 7,745,430 km (0.087 R)
• M15: 9,742,711 km (0.098 R)
• M16: 10,821,760 km (0.027 R)
• M17: 15,943,094 km (0.083 R)
• M18: 16,705,295 km (0.108 R)
• M19: 17,385,217 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.9

Radius: 14.7

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.03 AU - 2.83 AU

Year: 2526 Days

Day: 13.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,385,409 km

• M1: 182,809 km (0.107 R)
• M2: 935,585 km (0.104 R)
• M3: 1,899,893 km (0.079 R)
• M4: 2,689,471 km (0.116 R)
• M5: 4,277,751 km (0.081 R)
• M6: 4,784,140 km (0.075 R)
• M7: 5,779,415 km (0.053 R)
• M8: 8,476,814 km (0.111 R)
• M9: 9,312,767 km (0.107 R)
• M10: 11,258,437 km (0.083 R)
• M11: 12,580,134 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656

Radius: 14.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.72 AU - 3.56 AU

Year: 3710 Days

Day: 5.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,385,409 km

• M1: 181,612 km (0.104 R)
• M2: 736,171 km (0.081 R)
• M3: 1,311,375 km (0.081 R)
• M4: 1,766,452 km (0.08 R)
• M5: 2,272,541 km (0.096 R)
• M6: 2,978,344 km (0.085 R)
• M7: 3,527,667 km (0.045 R)
• M8: 4,689,594 km (0.064 R)
• M9: 6,150,268 km (0.1 R)
• M10: 6,986,071 km (0.082 R)
• M11: 7,930,482 km (0.084 R)
• M12: 9,257,266 km (0.114 R)
• M13: 9,835,611 km (0.104 R)
• M14: 10,479,032 km (0.1 R)
• M15: 11,453,063 km (0.073 R)
• M16: 18,129,766 km (0.103 R)
• M17: 19,037,077 km (0.091 R)
• M18: 21,338,341 km (0.067 R)
• M19: 23,041,962 km (0.108 R)
• M20: 24,034,693 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.1

Radius: 9.3

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.96 AU - 4.86 AU

Year: 6176 Days

Day: 11.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,385,409 km

• M1: 117,584 km (0.114 R)
• M2: 801,845 km (0.037 R)
• M3: 1,342,940 km (0.058 R)
• M4: 1,814,173 km (0.044 R)
• M5: 2,207,317 km (0.038 R)
• M6: 3,308,058 km (0.065 R)
• M7: 5,627,423 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.3

Radius: 9

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.39 AU - 5.55 AU

Year: 7389 Days

Day: 8.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,385,409 km

• M1: 112,049 km (0.053 R)
• M2: 677,978 km (0.117 R)
• M3: 1,839,306 km (0.108 R)
• M4: 2,168,272 km (0.111 R)
• M5: 2,905,490 km (0.081 R)
• M6: 4,180,213 km (0.091 R)
• M7: 4,754,071 km (0.096 R)
• M8: 5,631,911 km (0.101 R)
• M9: 6,228,657 km (0.114 R)
• M10: 7,354,830 km (0.115 R)
• M11: 8,108,953 km (0.092 R)
• M12: 8,441,509 km (0.111 R)
• M13: 8,957,472 km (0.12 R)
• M14: 10,339,756 km (0.087 R)
• M15: 10,930,518 km (0.051 R)
• M16: 11,965,137 km (0.082 R)
• M17: 12,342,273 km (0.09 R)
• M18: 13,406,064 km (0.084 R)
• M19: 15,587,350 km (0.094 R)
• M20: 16,628,851 km (0.07 R)
• M21: 16,963,651 km (0.111 R)
• M22: 19,067,894 km (0.069 R)
• M23: 24,990,923 km (0.106 R)
• M24: 25,430,591 km (0.109 R)
• M25: 26,144,472 km (0.114 R)
• M26: 29,719,711 km (0.09 R)
• M27: 31,726,417 km (0.06 R)
• M28: 33,821,685 km (0.115 R)
• M29: 34,251,629 km (0.115 R)
• M30: 35,452,601 km (0.116 R)
• M31: 36,794,494 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.2

Radius: 4.4

Gravity: 42.42 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.47 AU - 9.73 AU

Year: 19835 Days

Day: 24.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 80,385,409 km

• M1: 63,130 km (0.093 R)
• M2: 284,685 km (0.076 R)
• M3: 442,511 km (0.116 R)
• M4: 756,965 km (0.058 R)
• M5: 1,032,076 km (0.109 R)
• M6: 1,324,988 km (0.073 R)
• M7: 1,482,964 km (0.041 R)
• M8: 2,994,351 km (0.118 R)
• M9: 3,498,945 km (0.112 R)
• M10: 3,679,060 km (0.11 R)
• M11: 4,393,390 km (0.072 R)
• M12: 6,352,823 km (0.088 R)
• M13: 6,621,501 km (0.113 R)
• M14: 6,850,984 km (0.084 R)
• M15: 7,181,446 km (0.09 R)
• M16: 9,106,322 km (0.036 R)
• M17: 10,585,845 km (0.119 R)
• M18: 11,546,412 km (0.111 R)
• M19: 12,844,922 km (0.118 R)
• M20: 18,923,233 km (0.077 R)
• M21: 20,623,263 km (0.082 R)
• M22: 21,211,781 km (0.051 R)
• M23: 23,892,126 km (0.116 R)
• M24: 24,870,197 km (0.105 R)
• M25: 25,424,906 km (0.057 R)
• M26: 27,138,550 km (0.089 R)
• M27: 28,684,644 km (0.116 R)
• M28: 30,920,982 km (0.111 R)
• M29: 32,606,651 km (0.101 R)
• M30: 32,871,290 km (0.111 R)
• M31: 34,080,041 km (0.053 R)
• M32: 40,570,195 km (0.118 R)
• M33: 43,541,208 km (0.109 R)
• M34: 44,023,213 km (0.034 R)
• M35: 46,153,037 km (0.1 R)
• M36: 48,179,041 km (0.037 R)
• M37: 60,390,267 km (0.115 R)
• M38: 66,351,144 km (0.049 R)
• M39: 68,494,133 km (0.087 R)
• M40: 68,711,050 km (0.051 R)
• M41: 70,461,943 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 19,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit