🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.3

Radius: 8.1

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.54 AU - 0.7 AU

Year: 326 Days

Day: 7.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,600,128 km

• M1: 100,679 km (0.073 R)
• M2: 365,767 km (0.074 R)
• M3: 621,579 km (0.079 R)
• M4: 904,170 km (0.066 R)
• M5: 1,196,933 km (0.118 R)
• M6: 1,451,698 km (0.042 R)
• M7: 1,707,959 km (0.093 R)
• M8: 1,994,888 km (0.065 R)
• M9: 2,773,245 km (0.112 R)
• M10: 3,204,835 km (0.056 R)
• M11: 4,010,420 km (0.087 R)
• M12: 4,280,743 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.3

Radius: 13.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.34 AU - 1.82 AU

Year: 1324 Days

Day: 6.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,600,128 km

• M1: 169,195 km (0.066 R)
• M2: 597,793 km (0.055 R)
• M3: 1,068,428 km (0.041 R)
• M4: 1,505,703 km (0.068 R)
• M5: 2,055,176 km (0.079 R)
• M6: 2,526,708 km (0.094 R)
• M7: 3,084,708 km (0.093 R)
• M8: 3,661,258 km (0.112 R)
• M9: 4,153,286 km (0.097 R)
• M10: 4,764,243 km (0.083 R)
• M11: 5,601,543 km (0.079 R)
• M12: 6,190,061 km (0.049 R)
• M13: 8,098,780 km (0.077 R)
• M14: 8,881,775 km (0.102 R)
• M15: 10,056,118 km (0.1 R)
• M16: 10,961,186 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.6

Radius: 13.4

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.02 AU - 3.9 AU

Year: 4292 Days

Day: 7.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,600,128 km

• M1: 173,982 km (0.08 R)
• M2: 770,429 km (0.096 R)
• M3: 2,204,175 km (0.112 R)
• M4: 2,642,796 km (0.061 R)
• M5: 3,293,696 km (0.101 R)
• M6: 4,186,347 km (0.118 R)
• M7: 5,452,992 km (0.038 R)
• M8: 6,358,358 km (0.119 R)
• M9: 7,567,259 km (0.097 R)
• M10: 8,245,087 km (0.091 R)
• M11: 8,693,880 km (0.045 R)
• M12: 9,970,848 km (0.078 R)
• M13: 11,738,795 km (0.067 R)
• M14: 13,863,534 km (0.103 R)
• M15: 14,445,918 km (0.118 R)
• M16: 17,362,329 km (0.119 R)
• M17: 18,039,409 km (0.107 R)
• M18: 19,975,804 km (0.118 R)
• M19: 27,763,270 km (0.057 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.5

Radius: 6.4

Gravity: 19.69 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.15 AU - 7.47 AU

Year: 10570 Days

Day: 24.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,600,128 km

• M1: 79,736 km (0.058 R)
• M2: 315,203 km (0.118 R)
• M3: 579,243 km (0.039 R)
• M4: 1,194,090 km (0.119 R)
• M5: 1,398,590 km (0.104 R)
• M6: 1,734,288 km (0.096 R)
• M7: 2,158,996 km (0.098 R)
• M8: 2,693,061 km (0.039 R)
• M9: 2,934,362 km (0.03 R)
• M10: 3,311,498 km (0.105 R)
• M11: 4,577,096 km (0.111 R)
• M12: 5,150,655 km (0.112 R)
• M13: 5,386,271 km (0.068 R)
• M14: 6,954,207 km (0.033 R)
• M15: 11,237,493 km (0.089 R)
• M16: 11,463,386 km (0.088 R)
• M17: 13,254,521 km (0.096 R)
• M18: 14,282,408 km (0.043 R)
• M19: 14,951,260 km (0.087 R)
• M20: 15,993,209 km (0.114 R)
• M21: 18,221,021 km (0.108 R)
• M22: 19,980,740 km (0.107 R)
• M23: 22,114,305 km (0.114 R)
• M24: 24,869,449 km (0.095 R)
• M25: 25,349,808 km (0.052 R)
• M26: 27,948,323 km (0.056 R)
• M27: 28,259,038 km (0.075 R)
• M28: 34,611,412 km (0.047 R)
• M29: 36,305,458 km (0.072 R)
• M30: 36,675,564 km (0.116 R)
• M31: 43,081,644 km (0.12 R)
• M32: 50,654,288 km (0.116 R)
• M33: 52,205,468 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.2

Radius: 5.3

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.05 AU - 8.25 AU

Year: 15516 Days

Day: 15.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,600,128 km

• M1: 92,751 km (0.045 R)
• M2: 269,875 km (0.059 R)
• M3: 493,673 km (0.064 R)
• M4: 840,291 km (0.091 R)
• M5: 1,124,677 km (0.05 R)
• M6: 2,072,978 km (0.046 R)
• M7: 3,722,444 km (0.071 R)
• M8: 3,892,686 km (0.084 R)
• M9: 4,852,057 km (0.089 R)
• M10: 5,732,291 km (0.089 R)
• M11: 6,125,883 km (0.062 R)
• M12: 7,962,496 km (0.062 R)
• M13: 13,176,730 km (0.101 R)
• M14: 14,095,111 km (0.087 R)
• M15: 19,117,860 km (0.093 R)
• M16: 20,594,092 km (0.102 R)
• M17: 27,443,879 km (0.046 R)
• M18: 28,842,021 km (0.055 R)
• M19: 30,680,279 km (0.092 R)
• M20: 36,996,152 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131

Radius: 6.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.96 AU - 9.48 AU

Year: 17171 Days

Day: 21.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,600,128 km

• M1: 79,586 km (0.112 R)
• M2: 612,304 km (0.029 R)
• M3: 956,529 km (0.09 R)
• M4: 1,168,060 km (0.08 R)
• M5: 1,605,634 km (0.109 R)
• M6: 2,496,788 km (0.108 R)
• M7: 3,265,871 km (0.115 R)
• M8: 4,027,623 km (0.032 R)
• M9: 5,139,136 km (0.101 R)
• M10: 5,636,549 km (0.115 R)
• M11: 6,726,818 km (0.118 R)
• M12: 7,169,777 km (0.055 R)
• M13: 8,831,211 km (0.12 R)
• M14: 9,362,433 km (0.088 R)
• M15: 10,391,218 km (0.058 R)
• M16: 12,726,740 km (0.109 R)
• M17: 12,949,940 km (0.078 R)
• M18: 17,565,483 km (0.114 R)
• M19: 18,051,825 km (0.111 R)
• M20: 19,564,709 km (0.044 R)
• M21: 19,862,259 km (0.101 R)
• M22: 23,671,320 km (0.093 R)
• M23: 33,220,002 km (0.062 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: 426 - 16,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit