🌌 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: 851.7

Radius: 9.9

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.58 AU - 0.88 AU

Year: 423 Days

Day: 7 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,821,252 km

• M1: 123,269 km (0.111 R)
• M2: 527,632 km (0.05 R)
• M3: 1,015,919 km (0.06 R)
• M4: 1,415,345 km (0.059 R)
• M5: 1,769,294 km (0.049 R)
• M6: 2,318,767 km (0.111 R)
• M7: 3,419,658 km (0.075 R)
• M8: 4,107,359 km (0.086 R)
• M9: 5,950,106 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.3

Radius: 12.1

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.72 AU - 0.94 AU

Year: 513 Days

Day: 5.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,821,252 km

• M1: 150,495 km (0.075 R)
• M2: 555,008 km (0.108 R)
• M3: 988,842 km (0.069 R)
• M4: 1,844,991 km (0.056 R)
• M5: 2,227,213 km (0.041 R)
• M6: 2,783,119 km (0.096 R)
• M7: 3,860,373 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.9

Radius: 8.6

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.97 AU - 3.27 AU

Year: 3738 Days

Day: 6.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,821,252 km

• M1: 106,962 km (0.063 R)
• M2: 382,073 km (0.056 R)
• M3: 716,873 km (0.106 R)
• M4: 1,327,382 km (0.068 R)
• M5: 2,110,228 km (0.055 R)
• M6: 2,611,380 km (0.083 R)
• M7: 3,011,405 km (0.091 R)
• M8: 3,471,119 km (0.112 R)
• M9: 3,976,910 km (0.106 R)
• M10: 5,110,712 km (0.099 R)
• M11: 7,403,748 km (0.098 R)
• M12: 8,920,970 km (0.117 R)
• M13: 9,217,622 km (0.087 R)
• M14: 9,520,857 km (0.12 R)
• M15: 10,067,638 km (0.088 R)
• M16: 16,518,148 km (0.104 R)
• M17: 19,514,893 km (0.083 R)
• M18: 20,015,597 km (0.08 R)
• M19: 22,444,169 km (0.084 R)
• M20: 22,924,826 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.5

Radius: 8.9

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.02 AU - 3.64 AU

Year: 4122 Days

Day: 8.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,821,252 km

• M1: 116,537 km (0.111 R)
• M2: 500,255 km (0.11 R)
• M3: 789,428 km (0.1 R)
• M4: 1,623,885 km (0.108 R)
• M5: 2,007,155 km (0.101 R)
• M6: 2,321,909 km (0.032 R)
• M7: 2,704,430 km (0.094 R)
• M8: 3,090,094 km (0.084 R)
• M9: 5,714,788 km (0.049 R)
• M10: 6,607,888 km (0.12 R)
• M11: 7,484,980 km (0.083 R)
• M12: 9,023,145 km (0.069 R)
• M13: 10,274,681 km (0.098 R)
• M14: 15,169,224 km (0.111 R)
• M15: 16,152,232 km (0.026 R)
• M16: 17,674,240 km (0.105 R)
• M17: 19,223,027 km (0.09 R)
• M18: 21,426,305 km (0.091 R)
• M19: 23,869,238 km (0.044 R)
• M20: 27,072,278 km (0.089 R)
• M21: 27,745,468 km (0.09 R)
• M22: 29,125,509 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.9

Radius: 13.2

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.44 AU - 3.46 AU

Year: 4346 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,821,252 km

• M1: 164,109 km (0.103 R)
• M2: 750,981 km (0.107 R)
• M3: 1,437,336 km (0.102 R)
• M4: 2,567,997 km (0.06 R)
• M5: 3,246,124 km (0.084 R)
• M6: 4,132,043 km (0.118 R)
• M7: 5,014,521 km (0.112 R)
• M8: 5,670,058 km (0.061 R)
• M9: 7,020,628 km (0.07 R)
• M10: 7,807,064 km (0.077 R)
• M11: 10,917,802 km (0.114 R)
• M12: 11,414,766 km (0.117 R)
• M13: 12,308,763 km (0.117 R)
• M14: 14,558,266 km (0.073 R)
• M15: 16,830,060 km (0.086 R)
• M16: 17,801,847 km (0.092 R)
• M17: 18,618,652 km (0.029 R)
• M18: 20,804,576 km (0.096 R)
• M19: 21,359,285 km (0.108 R)
• M20: 22,209,749 km (0.102 R)
• M21: 24,742,590 km (0.109 R)
• M22: 25,208,737 km (0.091 R)
• M23: 27,462,280 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.9

Radius: 11.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.04 AU - 4 AU

Year: 4479 Days

Day: 8.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,821,252 km

• M1: 146,456 km (0.083 R)
• M2: 551,418 km (0.071 R)
• M3: 915,838 km (0.06 R)
• M4: 1,359,097 km (0.106 R)
• M5: 1,865,485 km (0.103 R)
• M6: 3,541,580 km (0.117 R)
• M7: 4,006,680 km (0.079 R)
• M8: 4,449,639 km (0.068 R)
• M9: 5,826,987 km (0.093 R)
• M10: 6,370,625 km (0.089 R)
• M11: 7,148,085 km (0.059 R)
• M12: 9,755,726 km (0.117 R)
• M13: 10,448,962 km (0.119 R)
• M14: 14,004,904 km (0.057 R)
• M15: 15,366,544 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.3

Radius: 12.8

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.45 AU - 5.25 AU

Year: 6154 Days

Day: 7.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,821,252 km

• M1: 159,172 km (0.043 R)
• M2: 878,289 km (0.07 R)
• M3: 1,441,525 km (0.07 R)
• M4: 1,887,626 km (0.084 R)
• M5: 2,324,302 km (0.088 R)
• M6: 2,733,751 km (0.105 R)
• M7: 3,771,662 km (0.041 R)
• M8: 4,447,395 km (0.116 R)
• M9: 5,321,346 km (0.094 R)
• M10: 6,754,793 km (0.043 R)
• M11: 7,949,032 km (0.105 R)
• M12: 10,513,140 km (0.108 R)
• M13: 15,730,515 km (0.092 R)
• M14: 16,236,156 km (0.051 R)
• M15: 17,014,963 km (0.111 R)
• M16: 18,092,067 km (0.118 R)
• M17: 18,929,217 km (0.117 R)
• M18: 21,829,321 km (0.071 R)
• M19: 22,538,415 km (0.057 R)
• M20: 22,939,038 km (0.094 R)
• M21: 24,252,956 km (0.113 R)
• M22: 29,533,462 km (0.032 R)
• M23: 30,792,328 km (0.087 R)
• M24: 33,313,052 km (0.106 R)
• M25: 35,750,899 km (0.04 R)
• M26: 37,069,006 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.8

Radius: 8.8

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.25 AU - 6.31 AU

Year: 8229 Days

Day: 5.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,821,252 km

• M1: 109,506 km (0.082 R)
• M2: 415,732 km (0.064 R)
• M3: 984,803 km (0.064 R)
• M4: 1,342,641 km (0.063 R)
• M5: 1,715,439 km (0.071 R)
• M6: 2,124,140 km (0.07 R)
• M7: 3,379,416 km (0.081 R)
• M8: 5,624,880 km (0.114 R)
• M9: 8,419,967 km (0.083 R)
• M10: 10,500,424 km (0.119 R)
• M11: 13,933,994 km (0.097 R)
• M12: 17,360,085 km (0.091 R)
• M13: 21,310,217 km (0.119 R)
• M14: 23,410,122 km (0.09 R)
• M15: 24,424,246 km (0.066 R)
• M16: 26,812,726 km (0.082 R)
• M17: 32,565,811 km (0.066 R)
• M18: 34,364,576 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.4

Radius: 7.5

Gravity: 13.41 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.15 AU - 11.27 AU

Year: 18957 Days

Day: 20.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,821,252 km

• M1: 93,349 km (0.088 R)
• M2: 338,839 km (0.077 R)
• M3: 663,467 km (0.052 R)
• M4: 921,822 km (0.086 R)
• M5: 1,518,568 km (0.046 R)
• M6: 2,037,373 km (0.086 R)
• M7: 2,741,231 km (0.085 R)
• M8: 3,017,539 km (0.057 R)
• M9: 4,347,763 km (0.116 R)
• M10: 5,989,001 km (0.098 R)
• M11: 6,902,446 km (0.058 R)
• M12: 7,368,593 km (0.119 R)
• M13: 8,520,646 km (0.08 R)
• M14: 11,240,335 km (0.093 R)
• M15: 11,495,549 km (0.114 R)
• M16: 13,392,301 km (0.104 R)
• M17: 15,176,554 km (0.102 R)
• M18: 17,451,639 km (0.119 R)
• M19: 19,851,937 km (0.106 R)
• M20: 23,486,866 km (0.043 R)
• M21: 24,433,671 km (0.109 R)
• M22: 26,968,756 km (0.044 R)
• M23: 33,205,043 km (0.085 R)
• M24: 37,714,371 km (0.091 R)
• M25: 39,303,849 km (0.059 R)
• M26: 45,298,983 km (0.115 R)
• M27: 48,260,572 km (0.077 R)
• M28: 49,617,275 km (0.105 R)
• M29: 50,825,129 km (0.084 R)
• M30: 54,566,123 km (0.115 R)
• M31: 55,483,157 km (0.109 R)
• M32: 60,028,390 km (0.078 R)
• M33: 62,192,173 km (0.03 R)
• M34: 68,994,688 km (0.119 R)
• M35: 69,636,612 km (0.077 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 12,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit