🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.1

Radius: 8.5

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.8 AU - 0.96 AU

Year: 533 Days

Day: 10.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 92,326,585 km

• M1: 105,766 km (0.053 R)
• M2: 391,797 km (0.102 R)
• M3: 1,169,706 km (0.114 R)
• M4: 1,909,318 km (0.112 R)
• M5: 2,872,728 km (0.09 R)
• M6: 3,467,529 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.8

Radius: 11.7

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.99 AU - 1.47 AU

Year: 881 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 92,326,585 km

• M1: 145,559 km (0.114 R)
• M2: 615,296 km (0.119 R)
• M3: 1,096,552 km (0.075 R)
• M4: 1,657,844 km (0.106 R)
• M5: 2,581,461 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.4

Radius: 15

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.03 AU - 1.69 AU

Year: 1024 Days

Day: 11 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 92,326,585 km

• M1: 192,084 km (0.105 R)
• M2: 706,551 km (0.086 R)
• M3: 1,397,394 km (0.062 R)
• M4: 1,960,779 km (0.102 R)
• M5: 2,572,335 km (0.087 R)
• M6: 3,389,289 km (0.075 R)
• M7: 4,766,487 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.2

Radius: 14.3

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.27 AU - 2.11 AU

Year: 1419 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 85.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 92,326,585 km

• M1: 182,210 km (0.092 R)
• M2: 713,731 km (0.113 R)
• M3: 2,140,297 km (0.047 R)
• M4: 3,524,975 km (0.078 R)
• M5: 4,526,233 km (0.071 R)
• M6: 5,946,964 km (0.111 R)
• M7: 6,882,848 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636

Radius: 8.4

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.03 AU - 2.29 AU

Year: 2050 Days

Day: 5.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,326,585 km

• M1: 105,616 km (0.067 R)
• M2: 470,485 km (0.116 R)
• M3: 820,993 km (0.12 R)
• M4: 1,153,699 km (0.086 R)
• M5: 1,576,313 km (0.115 R)
• M6: 1,857,407 km (0.077 R)
• M7: 2,285,107 km (0.1 R)
• M8: 2,563,958 km (0.113 R)
• M9: 3,272,154 km (0.104 R)
• M10: 3,645,850 km (0.118 R)
• M11: 3,972,571 km (0.109 R)
• M12: 4,279,247 km (0.071 R)
• M13: 5,295,914 km (0.082 R)
• M14: 5,885,330 km (0.082 R)
• M15: 6,465,620 km (0.082 R)
• M16: 7,250,859 km (0.073 R)
• M17: 7,564,865 km (0.074 R)
• M18: 8,037,744 km (0.086 R)
• M19: 9,609,419 km (0.08 R)
• M20: 9,884,231 km (0.12 R)
• M21: 10,413,807 km (0.104 R)
• M22: 12,477,659 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.4

Radius: 11.6

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.46 AU - 2.92 AU

Year: 2849 Days

Day: 6.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,326,585 km

• M1: 144,362 km (0.105 R)
• M2: 606,021 km (0.047 R)
• M3: 983,606 km (0.079 R)
• M4: 1,754,633 km (0.112 R)
• M5: 2,174,255 km (0.064 R)
• M6: 2,689,471 km (0.053 R)
• M7: 3,367,897 km (0.113 R)
• M8: 4,042,583 km (0.115 R)
• M9: 5,065,683 km (0.067 R)
• M10: 5,952,798 km (0.088 R)
• M11: 6,407,875 km (0.089 R)
• M12: 7,359,467 km (0.118 R)
• M13: 7,974,314 km (0.117 R)
• M14: 9,173,790 km (0.054 R)
• M15: 9,886,325 km (0.068 R)
• M16: 10,453,600 km (0.106 R)
• M17: 11,849,049 km (0.078 R)
• M18: 12,448,936 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.1

Radius: 10.1

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.43 AU - 5.39 AU

Year: 5980 Days

Day: 9.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 92,326,585 km

• M1: 126,709 km (0.119 R)
• M2: 449,990 km (0.098 R)
• M3: 770,279 km (0.048 R)
• M4: 1,339,350 km (0.08 R)
• M5: 2,172,011 km (0.105 R)
• M6: 3,109,990 km (0.113 R)
• M7: 3,513,456 km (0.118 R)
• M8: 4,531,170 km (0.098 R)
• M9: 5,080,194 km (0.103 R)
• M10: 5,796,917 km (0.115 R)
• M11: 6,278,174 km (0.087 R)
• M12: 6,996,543 km (0.09 R)
• M13: 7,357,522 km (0.1 R)
• M14: 8,678,920 km (0.096 R)
• M15: 9,266,541 km (0.081 R)
• M16: 9,880,640 km (0.106 R)
• M17: 10,381,943 km (0.116 R)
• M18: 11,190,070 km (0.11 R)
• M19: 14,036,469 km (0.091 R)
• M20: 18,606,534 km (0.119 R)
• M21: 24,492,014 km (0.08 R)
• M22: 26,179,627 km (0.065 R)
• M23: 28,214,757 km (0.117 R)
• M24: 28,670,731 km (0.041 R)
• M25: 30,448,403 km (0.079 R)
• M26: 32,397,812 km (0.119 R)
• M27: 34,845,383 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.6

Radius: 6.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.91 AU - 8.79 AU

Year: 12866 Days

Day: 15.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 92,326,585 km

• M1: 565,181 km (0.056 R)
• M2: 1,681,330 km (0.05 R)
• M3: 1,920,388 km (0.08 R)
• M4: 4,877,339 km (0.05 R)
• M5: 5,911,958 km (0.115 R)
• M6: 8,141,864 km (0.103 R)
• M7: 13,466,052 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.6

Radius: 4.4

Gravity: 45.69 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.98 AU - 13 AU

Year: 23524 Days

Day: 23.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 92,326,585 km

• M1: 54,753 km (0.093 R)
• M2: 214,224 km (0.095 R)
• M3: 353,799 km (0.114 R)
• M4: 592,856 km (0.101 R)
• M5: 760,107 km (0.092 R)
• M6: 984,653 km (0.099 R)
• M7: 5,117,893 km (0.101 R)
• M8: 9,094,803 km (0.118 R)
• M9: 9,634,701 km (0.057 R)
• M10: 11,382,304 km (0.099 R)
• M11: 12,879,778 km (0.102 R)
• M12: 15,490,411 km (0.067 R)
• M13: 16,172,427 km (0.115 R)
• M14: 19,589,542 km (0.075 R)
• M15: 19,786,862 km (0.095 R)
• M16: 20,793,356 km (0.106 R)
• M17: 21,309,169 km (0.101 R)
• M18: 22,045,640 km (0.079 R)
• M19: 23,792,494 km (0.065 R)
• M20: 24,243,233 km (0.073 R)
• M21: 25,511,972 km (0.102 R)
• M22: 28,181,097 km (0.092 R)
• M23: 28,432,571 km (0.088 R)
• M24: 30,631,211 km (0.102 R)
• M25: 32,801,577 km (0.104 R)
• M26: 34,208,844 km (0.067 R)
• M27: 42,839,744 km (0.072 R)
• M28: 45,721,298 km (0.073 R)
• M29: 48,548,997 km (0.042 R)
• M30: 48,729,412 km (0.081 R)
• M31: 50,930,445 km (0.116 R)
• M32: 52,055,421 km (0.057 R)
• M33: 57,122,152 km (0.046 R)
• M34: 58,336,288 km (0.05 R)
• M35: 78,667,686 km (0.102 R)
• M36: 86,369,583 km (0.093 R)
• M37: 88,505,242 km (0.086 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 17,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit