🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.6

Radius: 12.8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.57 AU - 0.57 AU

Year: 292 Days

Day: 11.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,309,226 km

• M1: 159,322 km (0.114 R)
• M2: 589,266 km (0.087 R)
• M3: 1,042,398 km (0.071 R)
• M4: 1,513,930 km (0.104 R)
• M5: 1,975,889 km (0.048 R)
• M6: 2,757,538 km (0.085 R)
• M7: 3,192,419 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930

Radius: 9.8

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.68 AU - 1.72 AU

Year: 1503 Days

Day: 14.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,309,226 km

• M1: 121,922 km (0.068 R)
• M2: 544,237 km (0.115 R)
• M3: 894,296 km (0.112 R)
• M4: 1,321,847 km (0.114 R)
• M5: 1,707,061 km (0.034 R)
• M6: 2,143,139 km (0.101 R)
• M7: 2,694,108 km (0.082 R)
• M8: 3,669,187 km (0.111 R)
• M9: 4,558,546 km (0.075 R)
• M10: 4,885,118 km (0.119 R)
• M11: 5,723,914 km (0.112 R)
• M12: 6,970,214 km (0.082 R)
• M13: 7,714,164 km (0.104 R)
• M14: 8,944,008 km (0.054 R)
• M15: 9,262,801 km (0.047 R)
• M16: 11,191,118 km (0.078 R)
• M17: 11,524,272 km (0.071 R)
• M18: 14,002,660 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.9

Radius: 12.1

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.89 AU - 3.75 AU

Year: 4103 Days

Day: 10.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,309,226 km

• M1: 150,795 km (0.11 R)
• M2: 538,852 km (0.052 R)
• M3: 1,135,298 km (0.072 R)
• M4: 1,521,710 km (0.099 R)
• M5: 3,067,205 km (0.113 R)
• M6: 3,473,962 km (0.09 R)
• M7: 4,038,694 km (0.103 R)
• M8: 4,507,384 km (0.073 R)
• M9: 5,278,710 km (0.069 R)
• M10: 6,218,484 km (0.099 R)
• M11: 6,670,719 km (0.085 R)
• M12: 7,054,138 km (0.108 R)
• M13: 8,948,346 km (0.034 R)
• M14: 9,489,143 km (0.072 R)
• M15: 10,715,695 km (0.105 R)
• M16: 11,325,905 km (0.038 R)
• M17: 14,387,426 km (0.11 R)
• M18: 17,018,403 km (0.118 R)
• M19: 17,569,672 km (0.042 R)
• M20: 19,773,547 km (0.076 R)
• M21: 20,383,009 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.4

Radius: 10.3

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.35 AU - 4.11 AU

Year: 4886 Days

Day: 5.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,309,226 km

• M1: 128,056 km (0.106 R)
• M2: 490,980 km (0.117 R)
• M3: 970,890 km (0.067 R)
• M4: 1,397,394 km (0.06 R)
• M5: 1,919,341 km (0.094 R)
• M6: 2,430,517 km (0.112 R)
• M7: 3,070,347 km (0.082 R)
• M8: 4,126,208 km (0.096 R)
• M9: 5,706,112 km (0.061 R)
• M10: 7,842,369 km (0.084 R)
• M11: 8,579,587 km (0.046 R)
• M12: 9,404,919 km (0.096 R)
• M13: 11,309,449 km (0.107 R)
• M14: 12,506,532 km (0.111 R)
• M15: 13,896,445 km (0.083 R)
• M16: 14,743,768 km (0.084 R)
• M17: 16,109,447 km (0.058 R)
• M18: 17,299,797 km (0.094 R)
• M19: 19,366,342 km (0.12 R)
• M20: 20,423,101 km (0.082 R)
• M21: 21,148,801 km (0.078 R)
• M22: 24,224,084 km (0.12 R)
• M23: 28,026,712 km (0.093 R)
• M24: 28,382,905 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.5

Radius: 14.3

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.15 AU - 4.85 AU

Year: 6475 Days

Day: 8.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,309,226 km

• M1: 178,171 km (0.045 R)
• M2: 791,074 km (0.12 R)
• M3: 1,281,007 km (0.11 R)
• M4: 3,548,611 km (0.091 R)
• M5: 4,000,995 km (0.082 R)
• M6: 4,945,406 km (0.113 R)
• M7: 5,576,261 km (0.086 R)
• M8: 8,856,643 km (0.065 R)
• M9: 11,158,056 km (0.109 R)
• M10: 12,030,960 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.3

Radius: 14.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.88 AU - 5.46 AU

Year: 6845 Days

Day: 7.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,309,226 km

• M1: 183,407 km (0.063 R)
• M2: 638,185 km (0.114 R)
• M3: 1,441,076 km (0.09 R)
• M4: 2,151,517 km (0.072 R)
• M5: 3,030,554 km (0.118 R)
• M6: 4,209,684 km (0.103 R)
• M7: 4,785,935 km (0.105 R)
• M8: 6,317,668 km (0.099 R)
• M9: 6,872,526 km (0.112 R)
• M10: 7,531,056 km (0.107 R)
• M11: 8,118,078 km (0.109 R)
• M12: 9,137,288 km (0.108 R)
• M13: 11,862,662 km (0.1 R)
• M14: 12,406,451 km (0.075 R)
• M15: 13,122,576 km (0.056 R)
• M16: 14,029,139 km (0.052 R)
• M17: 14,976,991 km (0.112 R)
• M18: 15,554,289 km (0.082 R)
• M19: 17,187,599 km (0.111 R)
• M20: 20,580,329 km (0.075 R)
• M21: 27,875,319 km (0.11 R)
• M22: 29,733,026 km (0.091 R)
• M23: 30,553,869 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.9

Radius: 13.7

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.69 AU - 5.17 AU

Year: 7424 Days

Day: 9 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,309,226 km

• M1: 170,542 km (0.077 R)
• M2: 620,981 km (0.088 R)
• M3: 1,644,978 km (0.086 R)
• M4: 2,692,014 km (0.032 R)
• M5: 3,407,690 km (0.109 R)
• M6: 3,920,511 km (0.091 R)
• M7: 4,484,645 km (0.058 R)
• M8: 5,494,431 km (0.075 R)
• M9: 6,580,362 km (0.075 R)
• M10: 7,082,412 km (0.088 R)
• M11: 16,101,069 km (0.107 R)
• M12: 18,736,236 km (0.098 R)
• M13: 21,412,990 km (0.112 R)
• M14: 28,727,279 km (0.051 R)
• M15: 32,272,449 km (0.086 R)
• M16: 35,224,315 km (0.099 R)
• M17: 37,101,768 km (0.049 R)
• M18: 38,581,889 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.5

Radius: 14.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.95 AU - 5.97 AU

Year: 8653 Days

Day: 10 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,309,226 km

• M1: 182,509 km (0.058 R)
• M2: 1,117,047 km (0.06 R)
• M3: 2,494,844 km (0.054 R)
• M4: 3,108,494 km (0.09 R)
• M5: 3,772,858 km (0.118 R)
• M6: 4,785,935 km (0.082 R)
• M7: 6,282,063 km (0.103 R)
• M8: 8,030,264 km (0.081 R)
• M9: 8,752,223 km (0.03 R)
• M10: 10,623,094 km (0.048 R)
• M11: 11,494,203 km (0.112 R)
• M12: 12,523,735 km (0.098 R)
• M13: 17,127,011 km (0.096 R)
• M14: 25,437,772 km (0.088 R)
• M15: 30,507,195 km (0.077 R)
• M16: 31,741,975 km (0.066 R)
• M17: 39,136,449 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.8

Radius: 5.1

Gravity: 33.59 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.78 AU - 7.86 AU

Year: 14832 Days

Day: 24.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,309,226 km

• M1: 63,429 km (0.116 R)
• M2: 477,367 km (0.117 R)
• M3: 1,278,164 km (0.105 R)
• M4: 1,437,785 km (0.102 R)
• M5: 1,979,928 km (0.089 R)
• M6: 2,235,591 km (0.112 R)
• M7: 3,241,187 km (0.072 R)
• M8: 3,918,118 km (0.087 R)
• M9: 4,258,004 km (0.048 R)
• M10: 4,996,569 km (0.085 R)
• M11: 5,817,263 km (0.106 R)
• M12: 6,638,106 km (0.098 R)
• M13: 7,394,324 km (0.063 R)
• M14: 7,913,279 km (0.101 R)
• M15: 16,872,845 km (0.119 R)
• M16: 18,188,558 km (0.082 R)
• M17: 18,698,986 km (0.047 R)
• M18: 19,927,334 km (0.087 R)
• M19: 21,208,490 km (0.102 R)
• M20: 27,881,004 km (0.049 R)
• M21: 28,788,016 km (0.073 R)
• M22: 30,541,452 km (0.078 R)
• M23: 52,489,405 km (0.057 R)
• M24: 55,452,939 km (0.09 R)
• M25: 55,808,832 km (0.076 R)
• M26: 58,158,865 km (0.099 R)
• M27: 60,010,887 km (0.094 R)
• M28: 60,762,616 km (0.106 R)

Asteroid Belt

Center: 8.16 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.4

Radius: 3.7

Gravity: 60.8 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.45 AU - 10.55 AU

Year: 16808 Days

Day: 20.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,309,226 km

• M1: 46,076 km (0.071 R)
• M2: 204,799 km (0.105 R)
• M3: 891,304 km (0.105 R)
• M4: 1,375,702 km (0.06 R)
• M5: 1,901,239 km (0.065 R)
• M6: 2,911,324 km (0.095 R)
• M7: 4,465,796 km (0.057 R)
• M8: 4,601,780 km (0.107 R)
• M9: 5,099,642 km (0.116 R)
• M10: 5,994,237 km (0.11 R)
• M11: 6,118,104 km (0.098 R)
• M12: 7,500,837 km (0.06 R)
• M13: 9,078,945 km (0.11 R)
• M14: 10,622,646 km (0.096 R)
• M15: 13,428,653 km (0.078 R)
• M16: 14,291,833 km (0.077 R)
• M17: 14,439,186 km (0.115 R)
• M18: 15,421,895 km (0.12 R)
• M19: 16,207,583 km (0.098 R)
• M20: 16,937,172 km (0.113 R)
• M21: 18,724,268 km (0.102 R)
• M22: 19,167,526 km (0.095 R)
• M23: 22,171,751 km (0.111 R)
• M24: 24,832,349 km (0.06 R)
• M25: 25,152,339 km (0.06 R)
• M26: 27,583,903 km (0.072 R)
• M27: 28,739,247 km (0.082 R)
• M28: 31,642,792 km (0.099 R)
• M29: 33,423,605 km (0.097 R)
• M30: 33,683,457 km (0.11 R)
• M31: 33,944,505 km (0.11 R)
• M32: 35,945,825 km (0.108 R)
• M33: 47,795,772 km (0.093 R)
• M34: 49,627,897 km (0.1 R)
• M35: 57,238,988 km (0.071 R)
• M36: 64,782,460 km (0.063 R)
• M37: 69,105,988 km (0.057 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: 165 - 12,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit