🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.2

Radius: 9.6

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.67 AU - 1.09 AU

Year: 560 Days

Day: 9.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,878,847 km

• M1: 119,977 km (0.095 R)
• M2: 485,595 km (0.088 R)
• M3: 937,979 km (0.113 R)
• M4: 1,309,729 km (0.104 R)
• M5: 1,631,514 km (0.05 R)
• M6: 2,104,842 km (0.064 R)
• M7: 2,419,147 km (0.094 R)
• M8: 2,876,468 km (0.077 R)
• M9: 3,253,604 km (0.102 R)
• M10: 3,717,208 km (0.106 R)
• M11: 4,572,309 km (0.071 R)
• M12: 4,890,205 km (0.108 R)
• M13: 5,274,223 km (0.06 R)
• M14: 5,714,339 km (0.088 R)
• M15: 6,216,988 km (0.093 R)
• M16: 6,789,499 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.1

Radius: 14.7

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.8 AU - 0.98 AU

Year: 569 Days

Day: 10.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,878,847 km

• M1: 183,257 km (0.102 R)
• M2: 645,216 km (0.116 R)
• M3: 1,244,056 km (0.049 R)
• M4: 1,787,545 km (0.1 R)
• M5: 2,359,906 km (0.093 R)
• M6: 3,054,190 km (0.079 R)
• M7: 3,896,576 km (0.084 R)
• M8: 4,520,100 km (0.089 R)
• M9: 5,141,230 km (0.057 R)
• M10: 5,781,808 km (0.119 R)
• M11: 6,515,436 km (0.08 R)
• M12: 7,245,474 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489

Radius: 13.5

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.35 AU - 1.53 AU

Year: 1172 Days

Day: 7.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,878,847 km

• M1: 167,849 km (0.08 R)
• M2: 863,479 km (0.096 R)
• M3: 1,355,207 km (0.072 R)
• M4: 2,177,846 km (0.095 R)
• M5: 2,901,152 km (0.109 R)
• M6: 3,340,969 km (0.12 R)
• M7: 3,764,630 km (0.097 R)
• M8: 4,442,309 km (0.072 R)
• M9: 4,865,372 km (0.101 R)
• M10: 5,570,875 km (0.106 R)
• M11: 6,767,508 km (0.105 R)
• M12: 7,797,789 km (0.068 R)
• M13: 9,012,973 km (0.116 R)
• M14: 9,608,073 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.8

Radius: 13

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.79 AU - 2.93 AU

Year: 2459 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,878,847 km

• M1: 162,613 km (0.054 R)
• M2: 688,300 km (0.1 R)
• M3: 1,397,244 km (0.071 R)
• M4: 3,302,523 km (0.072 R)
• M5: 4,142,963 km (0.117 R)
• M6: 5,794,524 km (0.092 R)
• M7: 7,017,636 km (0.082 R)
• M8: 7,502,782 km (0.105 R)
• M9: 7,978,054 km (0.071 R)
• M10: 8,406,054 km (0.12 R)
• M11: 9,932,700 km (0.119 R)
• M12: 11,062,164 km (0.088 R)
• M13: 12,188,935 km (0.111 R)
• M14: 14,427,219 km (0.1 R)
• M15: 16,081,472 km (0.102 R)
• M16: 16,981,303 km (0.097 R)
• M17: 17,914,495 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.6

Radius: 12.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.78 AU - 4.84 AU

Year: 7155 Days

Day: 7.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,878,847 km

• M1: 164,258 km (0.066 R)
• M2: 640,428 km (0.086 R)
• M3: 1,211,743 km (0.099 R)
• M4: 1,657,694 km (0.069 R)
• M5: 2,369,630 km (0.106 R)
• M6: 2,775,190 km (0.069 R)
• M7: 4,891,551 km (0.115 R)
• M8: 5,604,834 km (0.098 R)
• M9: 6,465,919 km (0.111 R)
• M10: 10,664,084 km (0.12 R)
• M11: 11,195,456 km (0.039 R)
• M12: 13,326,178 km (0.089 R)
• M13: 14,213,593 km (0.096 R)
• M14: 14,718,187 km (0.069 R)
• M15: 15,234,748 km (0.076 R)
• M16: 15,860,815 km (0.082 R)
• M17: 16,755,859 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.9

Radius: 7.7

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.29 AU - 6.43 AU

Year: 9621 Days

Day: 19.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,878,847 km

• M1: 95,743 km (0.106 R)
• M2: 401,820 km (0.108 R)
• M3: 732,730 km (0.094 R)
• M4: 2,208,663 km (0.096 R)
• M5: 2,477,341 km (0.094 R)
• M6: 4,033,607 km (0.088 R)
• M7: 6,403,836 km (0.114 R)
• M8: 6,980,985 km (0.044 R)
• M9: 7,765,027 km (0.112 R)
• M10: 8,421,163 km (0.05 R)
• M11: 10,188,064 km (0.1 R)
• M12: 12,188,786 km (0.115 R)
• M13: 13,115,545 km (0.113 R)
• M14: 14,131,912 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.8

Radius: 7.8

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.38 AU - 6.56 AU

Year: 9894 Days

Day: 24.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,878,847 km

• M1: 97,987 km (0.058 R)
• M2: 380,727 km (0.116 R)
• M3: 884,123 km (0.06 R)
• M4: 1,548,637 km (0.12 R)
• M5: 1,912,310 km (0.117 R)
• M6: 2,213,450 km (0.117 R)
• M7: 3,356,677 km (0.102 R)
• M8: 3,969,430 km (0.116 R)
• M9: 4,710,239 km (0.08 R)
• M10: 4,966,949 km (0.082 R)
• M11: 6,291,638 km (0.107 R)
• M12: 7,109,489 km (0.078 R)
• M13: 10,034,726 km (0.064 R)
• M14: 10,998,884 km (0.082 R)
• M15: 12,450,582 km (0.117 R)
• M16: 13,735,328 km (0.116 R)
• M17: 15,167,728 km (0.102 R)
• M18: 15,540,825 km (0.113 R)
• M19: 19,763,225 km (0.117 R)
• M20: 21,273,416 km (0.042 R)
• M21: 26,802,104 km (0.044 R)
• M22: 29,894,890 km (0.066 R)
• M23: 31,880,802 km (0.101 R)
• M24: 32,288,307 km (0.043 R)
• M25: 34,806,637 km (0.11 R)
• M26: 36,003,271 km (0.108 R)
• M27: 37,565,821 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.9

Radius: 4.7

Gravity: 30.05 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.13 AU - 9.05 AU

Year: 14183 Days

Day: 16.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,878,847 km

• M1: 58,642 km (0.072 R)
• M2: 229,782 km (0.035 R)
• M3: 384,616 km (0.056 R)
• M4: 652,995 km (0.047 R)
• M5: 938,128 km (0.087 R)
• M6: 1,517,371 km (0.108 R)
• M7: 1,946,119 km (0.113 R)
• M8: 2,287,351 km (0.053 R)
• M9: 2,645,339 km (0.035 R)
• M10: 4,211,629 km (0.04 R)
• M11: 5,546,042 km (0.114 R)
• M12: 6,151,016 km (0.045 R)
• M13: 6,348,784 km (0.115 R)
• M14: 6,674,159 km (0.082 R)
• M15: 7,947,088 km (0.095 R)
• M16: 9,583,090 km (0.074 R)
• M17: 10,229,802 km (0.091 R)
• M18: 11,550,003 km (0.055 R)
• M19: 13,239,860 km (0.055 R)
• M20: 15,447,775 km (0.104 R)
• M21: 15,961,494 km (0.072 R)
• M22: 16,110,494 km (0.106 R)
• M23: 17,178,473 km (0.094 R)
• M24: 20,664,851 km (0.085 R)
• M25: 22,854,665 km (0.118 R)
• M26: 23,425,381 km (0.077 R)
• M27: 27,581,808 km (0.117 R)
• M28: 30,686,562 km (0.103 R)
• M29: 32,800,680 km (0.041 R)
• M30: 46,791,970 km (0.097 R)
• M31: 49,744,284 km (0.091 R)
• M32: 50,062,179 km (0.106 R)
• M33: 51,671,553 km (0.086 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 14,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit