🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.3

Radius: 9.2

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.96 AU - 1.1 AU

Year: 709 Days

Day: 7.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 146.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,653,141 km

• M1: 115,041 km (0.093 R)
• M2: 610,808 km (0.038 R)
• M3: 918,381 km (0.114 R)
• M4: 1,244,205 km (0.079 R)
• M5: 1,815,669 km (0.071 R)
• M6: 2,187,121 km (0.061 R)
• M7: 2,498,434 km (0.096 R)
• M8: 2,792,394 km (0.026 R)
• M9: 3,343,213 km (0.078 R)
• M10: 3,630,740 km (0.078 R)
• M11: 4,256,059 km (0.086 R)
• M12: 4,644,565 km (0.094 R)
• M13: 5,056,707 km (0.079 R)
• M14: 5,530,633 km (0.081 R)
• M15: 6,053,777 km (0.112 R)
• M16: 6,910,973 km (0.094 R)
• M17: 7,564,566 km (0.09 R)
• M18: 7,966,685 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.8

Radius: 8.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.82 AU - 1.28 AU

Year: 730 Days

Day: 13.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 73 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,653,141 km

• M1: 108,608 km (0.085 R)
• M2: 403,765 km (0.069 R)
• M3: 759,508 km (0.074 R)
• M4: 1,092,513 km (0.1 R)
• M5: 1,392,906 km (0.109 R)
• M6: 1,690,456 km (0.035 R)
• M7: 1,997,880 km (0.09 R)
• M8: 2,379,504 km (0.088 R)
• M9: 3,383,006 km (0.103 R)
• M10: 3,735,758 km (0.08 R)
• M11: 4,180,512 km (0.094 R)
• M12: 4,631,101 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.7

Radius: 11.7

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.19 AU - 1.23 AU

Year: 903 Days

Day: 8.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,653,141 km

• M1: 147,055 km (0.117 R)
• M2: 525,537 km (0.073 R)
• M3: 918,082 km (0.102 R)
• M4: 1,439,281 km (0.099 R)
• M5: 1,819,409 km (0.081 R)
• M6: 3,198,702 km (0.109 R)
• M7: 4,269,673 km (0.095 R)
• M8: 4,640,825 km (0.092 R)
• M9: 5,605,133 km (0.089 R)
• M10: 6,283,410 km (0.047 R)
• M11: 6,720,535 km (0.117 R)
• M12: 7,108,143 km (0.106 R)
• M13: 7,583,266 km (0.11 R)
• M14: 8,783,789 km (0.115 R)
• M15: 9,164,814 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.1

Radius: 10

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.52 AU - 4.68 AU

Year: 5631 Days

Day: 5.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,653,141 km

• M1: 124,465 km (0.08 R)
• M2: 544,087 km (0.106 R)
• M3: 994,826 km (0.101 R)
• M4: 1,807,741 km (0.115 R)
• M5: 2,563,509 km (0.112 R)
• M6: 2,966,825 km (0.113 R)
• M7: 4,213,873 km (0.109 R)
• M8: 4,584,726 km (0.069 R)
• M9: 4,999,860 km (0.093 R)
• M10: 5,560,104 km (0.077 R)
• M11: 6,240,026 km (0.083 R)
• M12: 8,324,523 km (0.093 R)
• M13: 8,745,192 km (0.1 R)
• M14: 9,770,536 km (0.114 R)
• M15: 10,950,415 km (0.05 R)
• M16: 11,654,572 km (0.098 R)
• M17: 12,852,252 km (0.103 R)
• M18: 14,129,968 km (0.093 R)
• M19: 16,885,112 km (0.084 R)
• M20: 17,612,905 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.8

Radius: 13.1

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.89 AU - 5.29 AU

Year: 7789 Days

Day: 12.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,653,141 km

• M1: 166,951 km (0.042 R)
• M2: 1,063,641 km (0.116 R)
• M3: 1,509,293 km (0.099 R)
• M4: 1,959,433 km (0.083 R)
• M5: 2,720,736 km (0.046 R)
• M6: 4,368,258 km (0.091 R)
• M7: 5,240,713 km (0.12 R)
• M8: 6,327,691 km (0.115 R)
• M9: 7,034,241 km (0.066 R)
• M10: 10,022,010 km (0.093 R)
• M11: 12,647,902 km (0.077 R)
• M12: 14,119,795 km (0.08 R)
• M13: 15,389,582 km (0.053 R)
• M14: 18,017,119 km (0.07 R)
• M15: 19,219,586 km (0.097 R)
• M16: 24,739,748 km (0.113 R)
• M17: 26,135,646 km (0.113 R)
• M18: 28,233,157 km (0.12 R)
• M19: 37,185,692 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.7

Radius: 13.6

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.37 AU - 6.19 AU

Year: 8229 Days

Day: 9.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,653,141 km

• M1: 170,691 km (0.082 R)
• M2: 746,493 km (0.109 R)
• M3: 1,281,755 km (0.062 R)
• M4: 2,455,200 km (0.102 R)
• M5: 3,761,489 km (0.091 R)
• M6: 4,336,094 km (0.07 R)
• M7: 5,272,128 km (0.081 R)
• M8: 6,151,614 km (0.03 R)
• M9: 7,698,007 km (0.065 R)
• M10: 8,234,764 km (0.056 R)
• M11: 12,293,504 km (0.114 R)
• M12: 12,722,401 km (0.06 R)
• M13: 14,350,026 km (0.085 R)
• M14: 15,609,042 km (0.063 R)
• M15: 18,015,324 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.9

Radius: 5.8

Gravity: 25.74 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.94 AU - 7.34 AU

Year: 10319 Days

Day: 23.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,653,141 km

• M1: 72,106 km (0.111 R)
• M2: 280,646 km (0.066 R)
• M3: 658,231 km (0.07 R)
• M4: 938,278 km (0.118 R)
• M5: 1,755,681 km (0.05 R)
• M6: 2,537,928 km (0.086 R)
• M7: 2,859,264 km (0.085 R)
• M8: 4,015,805 km (0.088 R)
• M9: 4,635,888 km (0.092 R)
• M10: 6,064,548 km (0.107 R)
• M11: 6,960,041 km (0.116 R)
• M12: 7,249,214 km (0.043 R)
• M13: 11,545,365 km (0.108 R)
• M14: 12,246,381 km (0.064 R)
• M15: 12,486,336 km (0.101 R)
• M16: 12,790,618 km (0.108 R)
• M17: 15,685,038 km (0.089 R)
• M18: 16,110,943 km (0.108 R)
• M19: 20,972,425 km (0.082 R)
• M20: 22,280,060 km (0.069 R)
• M21: 27,335,869 km (0.112 R)
• M22: 27,745,917 km (0.103 R)
• M23: 28,788,764 km (0.082 R)
• M24: 36,458,946 km (0.114 R)
• M25: 42,721,412 km (0.089 R)
• M26: 45,243,333 km (0.057 R)
• M27: 47,714,540 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365

Radius: 3

Gravity: 40.56 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.93 AU - 8.15 AU

Year: 11344 Days

Day: 18.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 50,653,141 km

• M1: 37,250 km (0.082 R)
• M2: 138,976 km (0.118 R)
• M3: 237,561 km (0.087 R)
• M4: 531,222 km (0.109 R)
• M5: 887,115 km (0.088 R)
• M6: 984,354 km (0.097 R)
• M7: 1,447,210 km (0.114 R)
• M8: 1,910,664 km (0.056 R)
• M9: 2,057,270 km (0.066 R)
• M10: 2,600,609 km (0.111 R)
• M11: 3,077,527 km (0.089 R)
• M12: 3,441,948 km (0.105 R)
• M13: 3,783,779 km (0.067 R)
• M14: 4,201,606 km (0.04 R)
• M15: 4,855,049 km (0.091 R)
• M16: 7,613,634 km (0.069 R)
• M17: 8,491,923 km (0.12 R)
• M18: 8,843,478 km (0.109 R)
• M19: 9,113,502 km (0.091 R)
• M20: 9,481,962 km (0.026 R)
• M21: 10,101,895 km (0.085 R)
• M22: 10,248,801 km (0.068 R)
• M23: 10,446,719 km (0.08 R)
• M24: 10,647,180 km (0.073 R)
• M25: 17,011,671 km (0.12 R)
• M26: 18,067,832 km (0.1 R)
• M27: 18,211,895 km (0.085 R)
• M28: 19,092,279 km (0.053 R)
• M29: 19,618,714 km (0.114 R)
• M30: 19,923,893 km (0.091 R)
• M31: 24,271,357 km (0.062 R)
• M32: 26,247,545 km (0.089 R)
• M33: 28,134,722 km (0.104 R)
• M34: 29,111,297 km (0.051 R)
• M35: 30,720,521 km (0.066 R)
• M36: 32,176,557 km (0.1 R)
• M37: 36,819,028 km (0.118 R)
• M38: 39,299,211 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.7

Radius: 4.1

Gravity: 15.98 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.93 AU - 9.43 AU

Year: 17345 Days

Day: 16.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,653,141 km

• M1: 51,013 km (0.095 R)
• M2: 198,965 km (0.028 R)
• M3: 361,129 km (0.118 R)
• M4: 560,992 km (0.057 R)
• M5: 795,113 km (0.057 R)
• M6: 1,114,803 km (0.096 R)
• M7: 1,544,000 km (0.054 R)
• M8: 1,709,156 km (0.104 R)
• M9: 2,165,280 km (0.075 R)
• M10: 3,313,892 km (0.115 R)
• M11: 4,074,148 km (0.06 R)
• M12: 4,273,862 km (0.03 R)
• M13: 4,570,514 km (0.11 R)
• M14: 4,754,968 km (0.071 R)
• M15: 5,304,591 km (0.105 R)
• M16: 5,542,900 km (0.086 R)
• M17: 11,256,641 km (0.086 R)
• M18: 14,011,785 km (0.113 R)
• M19: 17,185,355 km (0.064 R)
• M20: 21,570,068 km (0.064 R)
• M21: 22,705,366 km (0.072 R)
• M22: 24,249,516 km (0.108 R)
• M23: 28,568,406 km (0.103 R)
• M24: 34,534,968 km (0.032 R)
• M25: 35,603,844 km (0.106 R)
• M26: 36,572,341 km (0.025 R)
• M27: 38,057,698 km (0.032 R)
• M28: 44,680,845 km (0.11 R)
• M29: 48,557,524 km (0.084 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 13,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit