🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.6

Radius: 13.2

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.67 AU - 0.79 AU

Year: 431 Days

Day: 8 Hours

Environment

Temp: -154 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,214,150 km

• M1: 164,109 km (0.116 R)
• M2: 622,776 km (0.102 R)
• M3: 1,205,609 km (0.118 R)
• M4: 1,670,111 km (0.041 R)
• M5: 3,049,553 km (0.113 R)
• M6: 3,483,237 km (0.102 R)
• M7: 4,717,120 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218

Radius: 12.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.69 AU - 0.99 AU

Year: 531 Days

Day: 6.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,214,150 km

• M1: 151,692 km (0.112 R)
• M2: 551,268 km (0.073 R)
• M3: 975,977 km (0.103 R)
• M4: 1,449,753 km (0.036 R)
• M5: 2,039,169 km (0.094 R)
• M6: 2,425,281 km (0.118 R)
• M7: 3,017,239 km (0.106 R)
• M8: 3,556,689 km (0.081 R)
• M9: 4,272,964 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.9

Radius: 10.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.81 AU - 3.59 AU

Year: 3951 Days

Day: 9.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,214,150 km

• M1: 134,339 km (0.089 R)
• M2: 514,467 km (0.09 R)
• M3: 905,067 km (0.073 R)
• M4: 1,488,948 km (0.074 R)
• M5: 2,866,146 km (0.086 R)
• M6: 3,623,859 km (0.076 R)
• M7: 4,008,325 km (0.095 R)
• M8: 4,671,044 km (0.106 R)
• M9: 5,328,676 km (0.082 R)
• M10: 6,768,406 km (0.095 R)
• M11: 7,197,004 km (0.08 R)
• M12: 7,611,091 km (0.11 R)
• M13: 8,074,695 km (0.068 R)
• M14: 8,986,045 km (0.073 R)
• M15: 9,694,391 km (0.084 R)
• M16: 11,180,197 km (0.098 R)
• M17: 11,867,749 km (0.057 R)
• M18: 13,469,792 km (0.101 R)
• M19: 15,263,321 km (0.079 R)
• M20: 17,380,430 km (0.066 R)
• M21: 21,989,241 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.3

Radius: 10.1

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.23 AU - 5.17 AU

Year: 5941 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,214,150 km

• M1: 126,560 km (0.12 R)
• M2: 508,483 km (0.105 R)
• M3: 917,633 km (0.116 R)
• M4: 2,081,804 km (0.097 R)
• M5: 2,485,419 km (0.07 R)
• M6: 3,121,659 km (0.117 R)
• M7: 3,616,080 km (0.106 R)
• M8: 3,961,052 km (0.093 R)
• M9: 4,520,100 km (0.069 R)
• M10: 4,852,805 km (0.11 R)
• M11: 5,821,452 km (0.075 R)
• M12: 6,189,313 km (0.099 R)
• M13: 8,666,354 km (0.053 R)
• M14: 9,573,217 km (0.046 R)
• M15: 11,698,404 km (0.067 R)
• M16: 12,371,594 km (0.087 R)
• M17: 12,937,373 km (0.072 R)
• M18: 13,657,388 km (0.094 R)
• M19: 14,642,490 km (0.077 R)
• M20: 17,992,585 km (0.065 R)
• M21: 18,832,577 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.2

Radius: 5.2

Gravity: 20.16 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.61 AU - 10.65 AU

Year: 19042 Days

Day: 16.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,214,150 km

• M1: 141,370 km (0.105 R)
• M2: 417,677 km (0.081 R)
• M3: 1,436,738 km (0.111 R)
• M4: 1,980,077 km (0.086 R)
• M5: 2,405,085 km (0.076 R)
• M6: 2,605,097 km (0.039 R)
• M7: 2,888,735 km (0.103 R)
• M8: 3,140,807 km (0.097 R)
• M9: 4,016,404 km (0.06 R)
• M10: 5,188,503 km (0.092 R)
• M11: 6,236,286 km (0.117 R)
• M12: 6,529,349 km (0.072 R)
• M13: 7,747,075 km (0.107 R)
• M14: 9,162,122 km (0.097 R)
• M15: 10,563,704 km (0.072 R)
• M16: 11,974,113 km (0.101 R)
• M17: 16,079,078 km (0.107 R)
• M18: 16,950,935 km (0.104 R)
• M19: 18,875,063 km (0.11 R)
• M20: 20,570,605 km (0.056 R)
• M21: 20,940,112 km (0.114 R)
• M22: 21,126,510 km (0.095 R)
• M23: 25,195,872 km (0.109 R)
• M24: 26,262,056 km (0.09 R)
• M25: 27,692,660 km (0.088 R)
• M26: 28,143,099 km (0.092 R)
• M27: 31,924,335 km (0.053 R)
• M28: 33,171,832 km (0.074 R)
• M29: 33,935,828 km (0.096 R)
• M30: 35,103,739 km (0.091 R)
• M31: 45,427,189 km (0.102 R)
• M32: 48,454,002 km (0.106 R)
• M33: 49,107,895 km (0.103 R)
• M34: 50,936,429 km (0.109 R)
• M35: 53,328,649 km (0.072 R)
• M36: 53,850,895 km (0.041 R)
• M37: 62,290,459 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.9

Radius: 4

Gravity: 23.81 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.37 AU - 11.95 AU

Year: 22354 Days

Day: 16.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,214,150 km

• M1: 49,816 km (0.055 R)
• M2: 204,650 km (0.098 R)
• M3: 766,689 km (0.116 R)
• M4: 1,192,744 km (0.071 R)
• M5: 1,760,917 km (0.082 R)
• M6: 1,998,179 km (0.114 R)
• M7: 2,604,050 km (0.106 R)
• M8: 3,062,268 km (0.12 R)
• M9: 3,773,905 km (0.112 R)
• M10: 4,044,079 km (0.074 R)
• M11: 4,589,513 km (0.098 R)
• M12: 5,218,871 km (0.059 R)
• M13: 5,746,802 km (0.105 R)
• M14: 12,718,063 km (0.042 R)
• M15: 14,813,780 km (0.098 R)
• M16: 15,109,535 km (0.103 R)
• M17: 19,146,134 km (0.099 R)
• M18: 19,674,065 km (0.077 R)
• M19: 21,129,353 km (0.096 R)
• M20: 21,504,096 km (0.078 R)
• M21: 23,344,897 km (0.052 R)
• M22: 24,560,081 km (0.06 R)
• M23: 29,260,446 km (0.101 R)
• M24: 35,703,028 km (0.028 R)
• M25: 41,403,155 km (0.029 R)
• M26: 52,655,459 km (0.071 R)
• M27: 57,418,954 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.7

Radius: 4

Gravity: 40.23 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 9.28 AU - 11.28 AU

Year: 22751 Days

Day: 15.6 Hours

Environment

Temp: -246 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 81,214,150 km

• M1: 49,816 km (0.074 R)
• M2: 176,376 km (0.106 R)
• M3: 318,195 km (0.025 R)
• M4: 1,459,926 km (0.053 R)
• M5: 1,701,077 km (0.061 R)
• M6: 2,285,257 km (0.093 R)
• M7: 2,810,346 km (0.12 R)
• M8: 3,681,005 km (0.084 R)
• M9: 4,227,935 km (0.117 R)
• M10: 6,192,903 km (0.07 R)
• M11: 7,153,920 km (0.056 R)
• M12: 7,544,969 km (0.066 R)
• M13: 7,745,729 km (0.119 R)
• M14: 8,369,402 km (0.096 R)
• M15: 9,716,083 km (0.043 R)
• M16: 10,074,070 km (0.083 R)
• M17: 10,256,280 km (0.091 R)
• M18: 10,440,735 km (0.062 R)
• M19: 11,330,992 km (0.098 R)
• M20: 12,201,801 km (0.113 R)
• M21: 18,023,252 km (0.089 R)
• M22: 20,248,221 km (0.064 R)
• M23: 22,442,523 km (0.11 R)
• M24: 22,962,525 km (0.071 R)
• M25: 23,490,456 km (0.048 R)
• M26: 25,457,967 km (0.105 R)
• M27: 25,796,208 km (0.1 R)
• M28: 29,469,135 km (0.092 R)
• M29: 30,092,509 km (0.11 R)
• M30: 30,344,133 km (0.112 R)
• M31: 30,851,868 km (0.116 R)
• M32: 33,881,674 km (0.111 R)
• M33: 36,959,800 km (0.101 R)
• M34: 37,684,452 km (0.079 R)
• M35: 49,543,823 km (0.102 R)
• M36: 56,691,459 km (0.044 R)
• M37: 59,614,003 km (0.116 R)
• M38: 65,756,941 km (0.03 R)
• M39: 71,187,643 km (0.05 R)
• M40: 72,534,173 km (0.086 R)
• M41: 75,046,520 km (0.105 R)
• M42: 78,089,640 km (0.105 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 17,827 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit