🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.9

Radius: 9.1

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.72 AU - 1.74 AU

Year: 1469 Days

Day: 9.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,799,436 km

• M1: 113,246 km (0.038 R)
• M2: 644,916 km (0.051 R)
• M3: 964,009 km (0.103 R)
• M4: 1,568,384 km (0.076 R)
• M5: 2,188,168 km (0.094 R)
• M6: 2,948,275 km (0.105 R)
• M7: 3,263,478 km (0.118 R)
• M8: 3,651,534 km (0.079 R)
• M9: 4,016,104 km (0.118 R)
• M10: 5,129,861 km (0.093 R)
• M11: 5,816,066 km (0.075 R)
• M12: 6,193,651 km (0.091 R)
• M13: 6,612,525 km (0.032 R)
• M14: 7,023,919 km (0.112 R)
• M15: 7,370,837 km (0.094 R)
• M16: 8,069,908 km (0.099 R)
• M17: 8,721,257 km (0.105 R)
• M18: 9,567,831 km (0.085 R)
• M19: 10,606,339 km (0.068 R)
• M20: 10,956,847 km (0.12 R)
• M21: 11,424,041 km (0.056 R)
• M22: 12,017,197 km (0.108 R)
• M23: 12,630,847 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.7

Radius: 8.4

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.48 AU - 2.2 AU

Year: 1612 Days

Day: 6.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,799,436 km

• M1: 104,719 km (0.12 R)
• M2: 650,003 km (0.099 R)
• M3: 1,139,038 km (0.037 R)
• M4: 1,439,281 km (0.107 R)
• M5: 1,923,081 km (0.07 R)
• M6: 2,538,526 km (0.077 R)
• M7: 2,982,234 km (0.087 R)
• M8: 3,263,029 km (0.061 R)
• M9: 4,006,680 km (0.114 R)
• M10: 4,408,649 km (0.105 R)
• M11: 4,774,566 km (0.112 R)
• M12: 5,226,800 km (0.056 R)
• M13: 5,544,097 km (0.067 R)
• M14: 6,496,288 km (0.07 R)
• M15: 7,440,101 km (0.079 R)
• M16: 7,989,274 km (0.067 R)
• M17: 8,815,952 km (0.063 R)
• M18: 9,103,928 km (0.099 R)
• M19: 9,868,224 km (0.106 R)
• M20: 10,213,645 km (0.093 R)
• M21: 13,738,021 km (0.104 R)
• M22: 14,608,980 km (0.077 R)
• M23: 15,377,764 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.2

Radius: 13.4

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.35 AU - 2.95 AU

Year: 2785 Days

Day: 12.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,799,436 km

• M1: 166,652 km (0.097 R)
• M2: 664,065 km (0.111 R)
• M3: 1,256,622 km (0.102 R)
• M4: 2,478,986 km (0.108 R)
• M5: 3,157,562 km (0.079 R)
• M6: 3,835,241 km (0.112 R)
• M7: 4,723,553 km (0.105 R)
• M8: 5,483,061 km (0.086 R)
• M9: 6,209,508 km (0.077 R)
• M10: 7,029,754 km (0.077 R)
• M11: 9,623,033 km (0.112 R)
• M12: 10,560,263 km (0.06 R)
• M13: 11,302,269 km (0.085 R)
• M14: 13,883,730 km (0.117 R)
• M15: 15,029,051 km (0.048 R)
• M16: 15,546,360 km (0.115 R)
• M17: 16,726,089 km (0.051 R)
• M18: 17,225,596 km (0.08 R)
• M19: 19,083,004 km (0.103 R)
• M20: 20,247,025 km (0.101 R)
• M21: 20,687,590 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.7

Radius: 12

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.6 AU - 5.3 AU

Year: 6061 Days

Day: 8 Hours

Environment

Temp: -219 °C

Axial Tilt: 144.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,799,436 km

• M1: 149,299 km (0.09 R)
• M2: 635,791 km (0.037 R)
• M3: 2,785,961 km (0.12 R)
• M4: 3,559,831 km (0.052 R)
• M5: 4,378,580 km (0.026 R)
• M6: 5,240,114 km (0.111 R)
• M7: 6,449,463 km (0.101 R)
• M8: 7,564,566 km (0.032 R)
• M9: 8,115,385 km (0.117 R)
• M10: 8,509,426 km (0.115 R)
• M11: 9,452,940 km (0.042 R)
• M12: 11,772,754 km (0.045 R)
• M13: 14,763,963 km (0.081 R)
• M14: 15,570,745 km (0.117 R)
• M15: 21,243,646 km (0.047 R)
• M16: 23,333,079 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.7

Radius: 4.4

Gravity: 38.26 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.05 AU - 9.55 AU

Year: 15439 Days

Day: 20.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 41,799,436 km

• M1: 84,672 km (0.118 R)
• M2: 231,129 km (0.051 R)
• M3: 418,874 km (0.107 R)
• M4: 662,868 km (0.098 R)
• M5: 1,304,643 km (0.056 R)
• M6: 1,558,959 km (0.074 R)
• M7: 1,936,245 km (0.099 R)
• M8: 2,247,110 km (0.091 R)
• M9: 3,545,320 km (0.081 R)
• M10: 3,980,051 km (0.042 R)
• M11: 4,352,700 km (0.054 R)
• M12: 5,497,273 km (0.046 R)
• M13: 7,499,940 km (0.052 R)
• M14: 8,562,085 km (0.112 R)
• M15: 8,765,388 km (0.067 R)
• M16: 9,129,060 km (0.105 R)
• M17: 9,394,896 km (0.116 R)
• M18: 9,941,975 km (0.084 R)
• M19: 11,220,139 km (0.037 R)
• M20: 11,710,821 km (0.101 R)
• M21: 11,898,416 km (0.107 R)
• M22: 14,813,630 km (0.081 R)
• M23: 20,071,247 km (0.106 R)
• M24: 20,885,060 km (0.09 R)
• M25: 22,966,714 km (0.102 R)
• M26: 28,767,072 km (0.106 R)
• M27: 31,216,887 km (0.091 R)
• M28: 32,063,461 km (0.095 R)
• M29: 32,308,054 km (0.088 R)
• M30: 35,341,749 km (0.08 R)
• M31: 35,865,192 km (0.113 R)
• M32: 37,196,314 km (0.099 R)
• M33: 38,698,127 km (0.094 R)
• M34: 42,260,950 km (0.099 R)
• M35: 43,595,213 km (0.1 R)
• M36: 50,030,165 km (0.049 R)
• M37: 53,730,618 km (0.099 R)
• M38: 58,152,283 km (0.046 R)
• M39: 60,918,347 km (0.101 R)
• M40: 65,721,187 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.8

Radius: 4.8

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.12 AU - 8.9 AU

Year: 16029 Days

Day: 15.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,799,436 km

• M1: 59,839 km (0.05 R)
• M2: 1,267,393 km (0.06 R)
• M3: 1,744,012 km (0.094 R)
• M4: 3,218,897 km (0.119 R)
• M5: 3,965,540 km (0.11 R)
• M6: 4,393,241 km (0.104 R)
• M7: 5,531,680 km (0.092 R)
• M8: 9,440,972 km (0.057 R)
• M9: 17,668,705 km (0.066 R)
• M10: 23,497,188 km (0.106 R)
• M11: 26,887,375 km (0.054 R)
• M12: 28,698,556 km (0.096 R)
• M13: 29,188,340 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 16,424 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit