🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.13 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.1

Radius: 13.4

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.83 AU - 2.67 AU

Year: 2289 Days

Day: 10.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,819,978 km

• M1: 364,121 km (0.089 R)
• M2: 795,561 km (0.051 R)
• M3: 1,594,115 km (0.112 R)
• M4: 2,108,582 km (0.103 R)
• M5: 2,927,780 km (0.096 R)
• M6: 3,950,132 km (0.032 R)
• M7: 4,400,571 km (0.098 R)
• M8: 5,429,356 km (0.072 R)
• M9: 7,482,736 km (0.042 R)
• M10: 10,118,351 km (0.092 R)
• M11: 13,364,625 km (0.112 R)
• M12: 16,891,694 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.7

Radius: 12

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.19 AU - 2.41 AU

Year: 2366 Days

Day: 12.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,819,978 km

• M1: 149,448 km (0.119 R)
• M2: 656,585 km (0.069 R)
• M3: 1,113,756 km (0.05 R)
• M4: 1,512,883 km (0.078 R)
• M5: 2,489,309 km (0.109 R)
• M6: 3,594,388 km (0.105 R)
• M7: 4,551,814 km (0.116 R)
• M8: 5,135,695 km (0.103 R)
• M9: 5,576,111 km (0.116 R)
• M10: 5,966,412 km (0.113 R)
• M11: 6,857,267 km (0.115 R)
• M12: 8,515,260 km (0.08 R)
• M13: 9,201,167 km (0.076 R)
• M14: 9,818,108 km (0.099 R)
• M15: 10,720,632 km (0.107 R)
• M16: 12,116,380 km (0.085 R)
• M17: 12,690,687 km (0.048 R)
• M18: 14,752,744 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.5

Radius: 13.4

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.93 AU - 3.39 AU

Year: 3810 Days

Day: 8 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,819,978 km

• M1: 166,652 km (0.111 R)
• M2: 742,155 km (0.088 R)
• M3: 1,257,071 km (0.085 R)
• M4: 2,825,455 km (0.084 R)
• M5: 3,500,291 km (0.075 R)
• M6: 4,724,151 km (0.067 R)
• M7: 5,422,324 km (0.103 R)
• M8: 5,863,040 km (0.108 R)
• M9: 7,025,565 km (0.1 R)
• M10: 7,518,939 km (0.075 R)
• M11: 7,969,677 km (0.109 R)
• M12: 8,854,848 km (0.092 R)
• M13: 10,461,379 km (0.062 R)
• M14: 10,901,945 km (0.103 R)
• M15: 11,949,579 km (0.102 R)
• M16: 12,699,662 km (0.041 R)
• M17: 14,391,614 km (0.076 R)
• M18: 16,712,177 km (0.096 R)
• M19: 17,650,604 km (0.091 R)
• M20: 18,276,372 km (0.077 R)
• M21: 19,814,238 km (0.088 R)
• M22: 20,366,254 km (0.115 R)
• M23: 21,629,758 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.4

Radius: 12.4

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.52 AU - 3.88 AU

Year: 3883 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,819,978 km

• M1: 154,983 km (0.089 R)
• M2: 608,714 km (0.112 R)
• M3: 1,205,011 km (0.102 R)
• M4: 1,762,263 km (0.069 R)
• M5: 2,216,891 km (0.094 R)
• M6: 2,639,804 km (0.082 R)
• M7: 3,312,994 km (0.027 R)
• M8: 4,225,691 km (0.118 R)
• M9: 5,224,107 km (0.111 R)
• M10: 6,345,044 km (0.107 R)
• M11: 7,365,002 km (0.118 R)
• M12: 8,595,744 km (0.118 R)
• M13: 9,132,202 km (0.045 R)
• M14: 11,590,245 km (0.031 R)
• M15: 12,925,705 km (0.032 R)
• M16: 14,017,171 km (0.09 R)
• M17: 16,875,238 km (0.084 R)
• M18: 18,470,400 km (0.086 R)
• M19: 19,915,815 km (0.091 R)
• M20: 21,112,448 km (0.112 R)
• M21: 21,761,254 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.1

Radius: 13.7

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.89 AU - 5.51 AU

Year: 8043 Days

Day: 5.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,819,978 km

• M1: 170,841 km (0.083 R)
• M2: 703,559 km (0.076 R)
• M3: 1,539,960 km (0.108 R)
• M4: 3,488,622 km (0.088 R)
• M5: 4,436,175 km (0.086 R)
• M6: 5,429,655 km (0.093 R)
• M7: 5,885,479 km (0.068 R)
• M8: 19,144,488 km (0.062 R)
• M9: 22,992,894 km (0.077 R)
• M10: 27,329,287 km (0.106 R)
• M11: 30,158,781 km (0.072 R)
• M12: 34,091,260 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743

Radius: 6.2

Gravity: 19.33 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.72 AU - 8.5 AU

Year: 12859 Days

Day: 21.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,819,978 km

• M1: 86,767 km (0.049 R)
• M2: 445,353 km (0.068 R)
• M3: 663,167 km (0.094 R)
• M4: 1,540,110 km (0.117 R)
• M5: 1,860,549 km (0.085 R)
• M6: 2,186,223 km (0.096 R)
• M7: 2,999,288 km (0.102 R)
• M8: 4,056,197 km (0.073 R)
• M9: 5,555,467 km (0.104 R)
• M10: 6,753,297 km (0.098 R)
• M11: 7,088,396 km (0.088 R)
• M12: 9,753,332 km (0.083 R)
• M13: 10,073,621 km (0.117 R)
• M14: 10,961,634 km (0.108 R)
• M15: 11,661,154 km (0.068 R)
• M16: 12,956,223 km (0.049 R)
• M17: 15,109,834 km (0.113 R)
• M18: 16,197,111 km (0.09 R)
• M19: 18,364,335 km (0.112 R)
• M20: 19,685,883 km (0.081 R)
• M21: 22,332,269 km (0.115 R)
• M22: 24,029,008 km (0.111 R)
• M23: 26,217,176 km (0.069 R)
• M24: 26,940,482 km (0.1 R)
• M25: 28,426,587 km (0.063 R)
• M26: 31,214,942 km (0.103 R)
• M27: 31,561,411 km (0.034 R)
• M28: 33,332,051 km (0.097 R)
• M29: 33,815,103 km (0.085 R)
• M30: 34,302,941 km (0.109 R)
• M31: 36,684,091 km (0.114 R)
• M32: 37,980,506 km (0.088 R)
• M33: 42,052,859 km (0.073 R)
• M34: 48,692,461 km (0.092 R)
• M35: 49,470,819 km (0.096 R)
• M36: 49,784,376 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.8

Radius: 6.1

Gravity: 14.72 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.8 AU - 10.72 AU

Year: 17585 Days

Day: 16.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,819,978 km

• M1: 76,445 km (0.026 R)
• M2: 273,315 km (0.101 R)
• M3: 492,476 km (0.104 R)
• M4: 853,306 km (0.085 R)
• M5: 1,253,630 km (0.068 R)
• M6: 1,558,959 km (0.063 R)
• M7: 1,771,987 km (0.112 R)
• M8: 2,339,711 km (0.081 R)
• M9: 3,713,318 km (0.111 R)
• M10: 4,066,070 km (0.053 R)
• M11: 4,703,357 km (0.118 R)
• M12: 7,236,049 km (0.074 R)
• M13: 8,024,131 km (0.066 R)
• M14: 9,551,974 km (0.073 R)
• M15: 11,877,622 km (0.114 R)
• M16: 13,851,865 km (0.092 R)
• M17: 14,484,365 km (0.115 R)
• M18: 15,958,502 km (0.073 R)
• M19: 20,076,333 km (0.113 R)
• M20: 21,530,425 km (0.102 R)
• M21: 25,366,114 km (0.087 R)
• M22: 26,205,508 km (0.111 R)
• M23: 26,847,133 km (0.084 R)
• M24: 45,105,852 km (0.089 R)
• M25: 46,026,777 km (0.118 R)
• M26: 47,274,274 km (0.096 R)
• M27: 48,224,669 km (0.044 R)
• M28: 51,650,909 km (0.065 R)
• M29: 52,997,738 km (0.056 R)
• M30: 55,236,022 km (0.064 R)
• M31: 56,644,336 km (0.068 R)
• M32: 59,532,323 km (0.088 R)
• M33: 62,327,709 km (0.04 R)
• M34: 63,469,889 km (0.094 R)
• M35: 63,853,607 km (0.103 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 14,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit