🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.6

Radius: 13.1

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.7 AU - 0.8 AU

Year: 433 Days

Day: 7.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,859,069 km

• M1: 162,912 km (0.029 R)
• M2: 571,913 km (0.057 R)
• M3: 1,314,666 km (0.108 R)
• M4: 1,824,196 km (0.076 R)
• M5: 2,485,120 km (0.109 R)
• M6: 2,933,165 km (0.108 R)
• M7: 3,598,427 km (0.087 R)
• M8: 4,175,875 km (0.109 R)
• M9: 4,690,940 km (0.103 R)
• M10: 5,534,972 km (0.07 R)
• M11: 6,269,796 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.9

Radius: 10.2

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.75 AU - 1.23 AU

Year: 657 Days

Day: 14.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,859,069 km

• M1: 127,009 km (0.106 R)
• M2: 454,179 km (0.118 R)
• M3: 830,119 km (0.076 R)
• M4: 1,180,776 km (0.103 R)
• M5: 1,916,199 km (0.077 R)
• M6: 2,366,938 km (0.089 R)
• M7: 2,702,486 km (0.113 R)
• M8: 3,961,501 km (0.119 R)
• M9: 4,393,091 km (0.117 R)
• M10: 4,919,975 km (0.083 R)
• M11: 6,100,452 km (0.037 R)
• M12: 6,598,612 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.8

Radius: 13.7

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.35 AU - 1.79 AU

Year: 1312 Days

Day: 12.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,859,069 km

• M1: 170,392 km (0.11 R)
• M2: 597,045 km (0.117 R)
• M3: 1,205,160 km (0.041 R)
• M4: 1,650,813 km (0.095 R)
• M5: 2,291,241 km (0.1 R)
• M6: 2,831,439 km (0.07 R)
• M7: 3,305,215 km (0.115 R)
• M8: 4,300,490 km (0.101 R)
• M9: 4,948,847 km (0.089 R)
• M10: 5,391,358 km (0.108 R)
• M11: 6,250,947 km (0.105 R)
• M12: 6,791,743 km (0.117 R)
• M13: 7,223,333 km (0.074 R)
• M14: 8,788,277 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.6

Radius: 8.4

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.42 AU - 1.76 AU

Year: 1337 Days

Day: 5.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,859,069 km

• M1: 104,419 km (0.119 R)
• M2: 426,504 km (0.084 R)
• M3: 807,978 km (0.113 R)
• M4: 1,466,508 km (0.081 R)
• M5: 2,398,802 km (0.109 R)
• M6: 3,342,615 km (0.05 R)
• M7: 3,867,105 km (0.109 R)
• M8: 4,948,548 km (0.112 R)
• M9: 5,272,278 km (0.026 R)
• M10: 5,857,205 km (0.114 R)
• M11: 6,665,483 km (0.11 R)
• M12: 7,228,120 km (0.115 R)
• M13: 7,521,183 km (0.119 R)
• M14: 8,368,355 km (0.084 R)
• M15: 9,079,394 km (0.042 R)
• M16: 9,712,043 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.1

Radius: 14.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.42 AU - 2.12 AU

Year: 1570 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,859,069 km

• M1: 181,612 km (0.088 R)
• M2: 663,018 km (0.104 R)
• M3: 1,186,012 km (0.107 R)
• M4: 1,844,991 km (0.093 R)
• M5: 2,457,893 km (0.112 R)
• M6: 3,162,798 km (0.089 R)
• M7: 3,866,955 km (0.114 R)
• M8: 4,363,471 km (0.059 R)
• M9: 5,019,757 km (0.083 R)
• M10: 5,570,426 km (0.043 R)
• M11: 6,048,840 km (0.077 R)
• M12: 7,138,960 km (0.068 R)
• M13: 9,192,490 km (0.081 R)
• M14: 11,860,867 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.1

Radius: 14.9

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.09 AU - 3.17 AU

Year: 2844 Days

Day: 6.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 76,859,069 km

• M1: 186,399 km (0.116 R)
• M2: 2,827,101 km (0.086 R)
• M3: 3,685,044 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.5

Radius: 7.8

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.99 AU - 6.01 AU

Year: 9801 Days

Day: 24.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,859,069 km

• M1: 97,089 km (0.084 R)
• M2: 345,421 km (0.109 R)
• M3: 1,054,964 km (0.088 R)
• M4: 3,035,042 km (0.106 R)
• M5: 4,058,291 km (0.083 R)
• M6: 4,360,778 km (0.084 R)
• M7: 4,949,446 km (0.064 R)
• M8: 5,392,255 km (0.064 R)
• M9: 5,965,215 km (0.096 R)
• M10: 7,192,366 km (0.087 R)
• M11: 7,677,812 km (0.06 R)
• M12: 10,237,132 km (0.113 R)
• M13: 12,901,171 km (0.119 R)
• M14: 17,604,827 km (0.087 R)
• M15: 27,007,053 km (0.05 R)
• M16: 28,476,254 km (0.047 R)
• M17: 32,002,575 km (0.071 R)
• M18: 41,042,924 km (0.035 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.3

Radius: 3.2

Gravity: 58.43 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.16 AU - 8.16 AU

Year: 14138 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,859,069 km

• M1: 94,097 km (0.067 R)
• M2: 194,627 km (0.069 R)
• M3: 387,458 km (0.117 R)
• M4: 807,529 km (0.076 R)
• M5: 1,475,783 km (0.08 R)
• M6: 3,928,290 km (0.105 R)
• M7: 4,162,112 km (0.08 R)
• M8: 5,260,460 km (0.117 R)
• M9: 5,801,405 km (0.112 R)
• M10: 7,690,527 km (0.072 R)
• M11: 11,292,994 km (0.12 R)
• M12: 15,878,916 km (0.055 R)
• M13: 17,077,644 km (0.068 R)
• M14: 23,601,308 km (0.034 R)
• M15: 27,409,920 km (0.113 R)
• M16: 34,591,964 km (0.034 R)
• M17: 36,596,875 km (0.064 R)
• M18: 39,076,759 km (0.12 R)
• M19: 51,868,873 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.9

Radius: 6.7

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.23 AU - 10.33 AU

Year: 17349 Days

Day: 17.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,859,069 km

• M1: 83,326 km (0.051 R)
• M2: 307,723 km (0.088 R)
• M3: 925,861 km (0.111 R)
• M4: 1,138,440 km (0.058 R)
• M5: 1,572,274 km (0.09 R)
• M6: 2,092,725 km (0.09 R)
• M7: 2,423,785 km (0.079 R)
• M8: 3,936,070 km (0.063 R)
• M9: 4,759,157 km (0.115 R)
• M10: 5,125,522 km (0.116 R)
• M11: 6,066,493 km (0.089 R)
• M12: 6,298,968 km (0.077 R)
• M13: 6,537,577 km (0.116 R)
• M14: 7,822,173 km (0.092 R)
• M15: 8,332,751 km (0.044 R)
• M16: 10,433,255 km (0.048 R)
• M17: 10,824,004 km (0.089 R)
• M18: 14,310,981 km (0.077 R)
• M19: 16,158,365 km (0.025 R)
• M20: 16,833,351 km (0.11 R)
• M21: 18,079,351 km (0.11 R)
• M22: 24,845,813 km (0.114 R)
• M23: 29,555,902 km (0.105 R)
• M24: 30,905,574 km (0.052 R)
• M25: 33,727,289 km (0.08 R)
• M26: 36,206,275 km (0.067 R)
• M27: 36,973,114 km (0.11 R)
• M28: 37,750,574 km (0.053 R)
• M29: 40,284,612 km (0.108 R)
• M30: 43,788,643 km (0.052 R)
• M31: 44,512,996 km (0.087 R)
• M32: 56,187,913 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.4

Radius: 4.7

Gravity: 23.47 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 10.21 AU - 11.19 AU

Year: 23340 Days

Day: 21.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,859,069 km

• M1: 58,493 km (0.105 R)
• M2: 529,128 km (0.1 R)
• M3: 865,124 km (0.112 R)
• M4: 1,362,089 km (0.11 R)
• M5: 1,893,011 km (0.052 R)
• M6: 2,719,240 km (0.052 R)
• M7: 2,945,732 km (0.065 R)
• M8: 3,611,891 km (0.07 R)
• M9: 4,339,535 km (0.114 R)
• M10: 4,579,191 km (0.063 R)
• M11: 6,871,928 km (0.112 R)
• M12: 7,340,618 km (0.114 R)
• M13: 7,780,286 km (0.051 R)
• M14: 8,134,384 km (0.042 R)
• M15: 8,341,428 km (0.036 R)
• M16: 12,422,458 km (0.108 R)
• M17: 14,735,241 km (0.092 R)
• M18: 18,010,237 km (0.105 R)
• M19: 19,170,967 km (0.103 R)
• M20: 20,003,180 km (0.101 R)
• M21: 22,746,057 km (0.115 R)
• M22: 23,468,914 km (0.113 R)
• M23: 24,313,693 km (0.115 R)
• M24: 26,969,654 km (0.075 R)
• M25: 28,131,132 km (0.06 R)
• M26: 32,200,194 km (0.075 R)
• M27: 36,364,400 km (0.094 R)
• M28: 39,824,449 km (0.064 R)
• M29: 43,340,149 km (0.099 R)
• M30: 49,592,741 km (0.114 R)
• M31: 50,631,848 km (0.106 R)
• M32: 51,685,466 km (0.108 R)
• M33: 55,302,892 km (0.09 R)
• M34: 62,835,294 km (0.07 R)
• M35: 67,794,613 km (0.102 R)
• M36: 72,121,582 km (0.11 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 10,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit