🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.3 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.8

Radius: 8.2

Gravity: 11.18 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.51 AU - 2.69 AU

Year: 2894 Days

Day: 11.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,521,472 km

• M1: 102,026 km (0.078 R)
• M2: 768,484 km (0.102 R)
• M3: 1,302,100 km (0.107 R)
• M4: 1,731,446 km (0.08 R)
• M5: 2,266,707 km (0.09 R)
• M6: 3,307,160 km (0.112 R)
• M7: 3,587,058 km (0.061 R)
• M8: 3,862,617 km (0.075 R)
• M9: 4,194,874 km (0.111 R)
• M10: 4,523,690 km (0.107 R)
• M11: 6,635,414 km (0.069 R)
• M12: 7,236,199 km (0.109 R)
• M13: 7,710,274 km (0.039 R)
• M14: 9,702,918 km (0.087 R)
• M15: 10,123,587 km (0.094 R)
• M16: 10,596,316 km (0.08 R)
• M17: 11,207,872 km (0.047 R)
• M18: 11,756,747 km (0.088 R)
• M19: 12,456,715 km (0.052 R)
• M20: 13,277,110 km (0.093 R)
• M21: 13,748,194 km (0.066 R)
• M22: 15,744,727 km (0.115 R)
• M23: 16,379,471 km (0.066 R)
• M24: 19,209,414 km (0.113 R)
• M25: 20,118,221 km (0.107 R)
• M26: 21,374,095 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.7

Radius: 14.4

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.31 AU - 3.65 AU

Year: 3551 Days

Day: 5.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,521,472 km

• M1: 179,218 km (0.119 R)
• M2: 729,888 km (0.091 R)
• M3: 1,205,460 km (0.077 R)
• M4: 1,712,746 km (0.12 R)
• M5: 2,227,064 km (0.071 R)
• M6: 2,926,284 km (0.108 R)
• M7: 4,111,249 km (0.08 R)
• M8: 4,699,019 km (0.057 R)
• M9: 6,044,801 km (0.028 R)
• M10: 7,320,572 km (0.114 R)
• M11: 8,088,458 km (0.1 R)
• M12: 8,560,888 km (0.1 R)
• M13: 10,638,653 km (0.119 R)
• M14: 12,271,962 km (0.049 R)
• M15: 13,403,520 km (0.05 R)
• M16: 15,306,256 km (0.091 R)
• M17: 15,874,129 km (0.088 R)
• M18: 16,455,915 km (0.114 R)
• M19: 19,223,027 km (0.119 R)
• M20: 20,375,080 km (0.072 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.9

Radius: 6.3

Gravity: 23.23 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.48 AU - 7.44 AU

Year: 11333 Days

Day: 17.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,521,472 km

• M1: 81,830 km (0.117 R)
• M2: 288,125 km (0.097 R)
• M3: 786,436 km (0.078 R)
• M4: 1,184,217 km (0.072 R)
• M5: 1,756,877 km (0.043 R)
• M6: 2,180,688 km (0.095 R)
• M7: 2,648,481 km (0.079 R)
• M8: 4,365,116 km (0.102 R)
• M9: 5,005,545 km (0.09 R)
• M10: 5,929,312 km (0.105 R)
• M11: 6,235,239 km (0.12 R)
• M12: 7,834,291 km (0.112 R)
• M13: 8,109,551 km (0.041 R)
• M14: 9,846,382 km (0.119 R)
• M15: 11,287,309 km (0.06 R)
• M16: 12,487,233 km (0.118 R)
• M17: 14,443,226 km (0.118 R)
• M18: 17,279,452 km (0.062 R)
• M19: 17,825,185 km (0.109 R)
• M20: 18,705,568 km (0.109 R)
• M21: 19,698,898 km (0.087 R)
• M22: 20,553,102 km (0.099 R)
• M23: 22,889,222 km (0.094 R)
• M24: 24,314,441 km (0.109 R)
• M25: 26,101,687 km (0.079 R)
• M26: 26,923,428 km (0.106 R)
• M27: 29,602,427 km (0.08 R)
• M28: 29,935,432 km (0.119 R)
• M29: 31,177,692 km (0.035 R)
• M30: 32,102,656 km (0.091 R)
• M31: 32,689,828 km (0.109 R)
• M32: 36,746,473 km (0.029 R)
• M33: 37,002,585 km (0.06 R)
• M34: 44,521,822 km (0.108 R)
• M35: 57,011,449 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.7

Radius: 5.7

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.28 AU - 8.2 AU

Year: 14864 Days

Day: 15.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,521,472 km

• M1: 70,909 km (0.095 R)
• M2: 286,929 km (0.097 R)
• M3: 692,189 km (0.082 R)
• M4: 1,243,458 km (0.084 R)
• M5: 1,503,608 km (0.114 R)
• M6: 1,682,378 km (0.062 R)
• M7: 1,860,250 km (0.048 R)
• M8: 2,167,823 km (0.037 R)
• M9: 2,415,557 km (0.106 R)
• M10: 2,863,902 km (0.108 R)
• M11: 3,873,986 km (0.088 R)
• M12: 8,555,353 km (0.118 R)
• M13: 10,908,976 km (0.065 R)
• M14: 11,532,201 km (0.064 R)
• M15: 13,662,026 km (0.113 R)
• M16: 16,440,058 km (0.066 R)
• M17: 17,747,992 km (0.095 R)
• M18: 19,422,441 km (0.09 R)
• M19: 20,491,617 km (0.082 R)
• M20: 20,961,654 km (0.083 R)
• M21: 25,430,591 km (0.088 R)
• M22: 28,414,769 km (0.105 R)
• M23: 32,994,558 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.6

Radius: 5.3

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.53 AU - 11.05 AU

Year: 21144 Days

Day: 17.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,521,472 km

• M1: 86,767 km (0.05 R)
• M2: 288,724 km (0.111 R)
• M3: 1,385,575 km (0.045 R)
• M4: 1,629,570 km (0.101 R)
• M5: 2,244,267 km (0.086 R)
• M6: 2,694,407 km (0.058 R)
• M7: 7,171,722 km (0.089 R)
• M8: 11,755,700 km (0.095 R)
• M9: 14,327,886 km (0.105 R)
• M10: 16,390,392 km (0.041 R)
• M11: 16,935,377 km (0.078 R)
• M12: 18,392,161 km (0.117 R)
• M13: 21,276,258 km (0.092 R)
• M14: 26,093,609 km (0.117 R)
• M15: 29,489,331 km (0.114 R)
• M16: 31,115,011 km (0.098 R)
• M17: 33,664,009 km (0.113 R)
• M18: 41,851,650 km (0.112 R)
• M19: 43,604,638 km (0.083 R)
• M20: 43,901,440 km (0.109 R)
• M21: 44,199,738 km (0.091 R)
• M22: 51,602,439 km (0.108 R)
• M23: 53,446,831 km (0.08 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: 345 - 11,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit