🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.7

Radius: 13.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.45 AU - 0.61 AU

Year: 262 Days

Day: 7.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 173.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 46,382,655 km

• M1: 166,652 km (0.086 R)
• M2: 679,623 km (0.066 R)
• M3: 1,336,059 km (0.077 R)
• M4: 1,933,702 km (0.071 R)
• M5: 2,411,518 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.3

Radius: 8.7

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.76 AU - 0.92 AU

Year: 522 Days

Day: 10.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,382,655 km

• M1: 108,309 km (0.099 R)
• M2: 387,907 km (0.117 R)
• M3: 673,789 km (0.104 R)
• M4: 983,905 km (0.08 R)
• M5: 1,346,530 km (0.101 R)
• M6: 1,648,718 km (0.036 R)
• M7: 2,255,188 km (0.054 R)
• M8: 2,851,934 km (0.044 R)
• M9: 3,274,548 km (0.11 R)
• M10: 3,550,257 km (0.115 R)
• M11: 3,946,541 km (0.047 R)
• M12: 4,245,588 km (0.084 R)
• M13: 4,858,640 km (0.073 R)
• M14: 5,154,843 km (0.116 R)
• M15: 5,529,436 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.8

Radius: 11.5

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.69 AU - 0.99 AU

Year: 522 Days

Day: 7 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 46,382,655 km

• M1: 143,614 km (0.106 R)
• M2: 665,860 km (0.105 R)
• M3: 1,101,190 km (0.025 R)
• M4: 1,570,628 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.8

Radius: 10.2

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.89 AU - 1.35 AU

Year: 804 Days

Day: 5.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,382,655 km

• M1: 126,859 km (0.098 R)
• M2: 454,478 km (0.073 R)
• M3: 823,237 km (0.105 R)
• M4: 1,248,245 km (0.092 R)
• M5: 2,206,718 km (0.074 R)
• M6: 2,586,398 km (0.084 R)
• M7: 3,009,760 km (0.105 R)
• M8: 3,479,198 km (0.106 R)
• M9: 4,259,650 km (0.103 R)
• M10: 5,553,821 km (0.058 R)
• M11: 6,070,382 km (0.084 R)
• M12: 6,988,315 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.5

Radius: 12.5

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.57 AU - 1.69 AU

Year: 1411 Days

Day: 13.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,382,655 km

• M1: 157,227 km (0.115 R)
• M2: 564,882 km (0.098 R)
• M3: 1,318,855 km (0.087 R)
• M4: 1,720,824 km (0.046 R)
• M5: 2,135,659 km (0.105 R)
• M6: 2,618,112 km (0.057 R)
• M7: 3,068,851 km (0.078 R)
• M8: 3,643,755 km (0.102 R)
• M9: 4,081,778 km (0.107 R)
• M10: 5,305,638 km (0.119 R)
• M11: 5,931,705 km (0.09 R)
• M12: 6,827,647 km (0.096 R)
• M13: 7,617,374 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.4

Radius: 8.1

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.47 AU - 2.41 AU

Year: 1833 Days

Day: 14.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,382,655 km

• M1: 134,937 km (0.077 R)
• M2: 429,495 km (0.083 R)
• M3: 727,345 km (0.117 R)
• M4: 1,093,560 km (0.102 R)
• M5: 1,380,788 km (0.08 R)
• M6: 2,204,923 km (0.06 R)
• M7: 2,538,975 km (0.115 R)
• M8: 3,050,001 km (0.071 R)
• M9: 4,673,737 km (0.109 R)
• M10: 4,963,957 km (0.077 R)
• M11: 6,759,131 km (0.092 R)
• M12: 7,467,627 km (0.084 R)
• M13: 8,866,666 km (0.102 R)
• M14: 9,891,411 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.5

Radius: 3.8

Gravity: 36.46 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.49 AU - 8.65 AU

Year: 15549 Days

Day: 16 Hours

Environment

Temp: -242 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,382,655 km

• M1: 52,658 km (0.04 R)
• M2: 266,583 km (0.084 R)
• M3: 497,413 km (0.086 R)
• M4: 1,717,982 km (0.1 R)
• M5: 1,870,273 km (0.116 R)
• M6: 2,726,421 km (0.056 R)
• M7: 7,540,929 km (0.116 R)
• M8: 7,766,523 km (0.092 R)
• M9: 11,299,875 km (0.107 R)
• M10: 12,513,263 km (0.096 R)
• M11: 15,410,825 km (0.088 R)
• M12: 22,025,145 km (0.114 R)
• M13: 23,715,002 km (0.102 R)
• M14: 25,087,713 km (0.034 R)
• M15: 26,720,274 km (0.025 R)
• M16: 28,313,940 km (0.109 R)
• M17: 30,764,054 km (0.093 R)
• M18: 32,632,232 km (0.074 R)
• M19: 32,870,991 km (0.061 R)
• M20: 40,862,060 km (0.113 R)
• M21: 41,838,336 km (0.076 R)
• M22: 43,259,665 km (0.07 R)
• M23: 44,419,647 km (0.105 R)
• M24: 48,798,526 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.6

Radius: 4.9

Gravity: 32.22 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 8.23 AU - 9.57 AU

Year: 18008 Days

Day: 18 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 46,382,655 km

• M1: 61,186 km (0.094 R)
• M2: 491,429 km (0.033 R)
• M3: 901,776 km (0.045 R)
• M4: 1,159,982 km (0.095 R)
• M5: 1,497,923 km (0.115 R)
• M6: 2,689,919 km (0.061 R)
• M7: 5,337,502 km (0.1 R)
• M8: 6,221,925 km (0.109 R)
• M9: 6,392,616 km (0.114 R)
• M10: 7,340,917 km (0.099 R)
• M11: 8,174,476 km (0.088 R)
• M12: 8,693,282 km (0.096 R)
• M13: 9,969,501 km (0.104 R)
• M14: 15,377,614 km (0.076 R)
• M15: 15,927,386 km (0.088 R)
• M16: 17,317,001 km (0.09 R)
• M17: 17,655,391 km (0.113 R)
• M18: 20,428,786 km (0.109 R)
• M19: 25,274,411 km (0.064 R)
• M20: 26,707,558 km (0.056 R)
• M21: 27,615,767 km (0.083 R)
• M22: 34,159,776 km (0.118 R)
• M23: 37,154,875 km (0.095 R)
• M24: 38,143,268 km (0.108 R)
• M25: 39,878,454 km (0.098 R)
• M26: 42,120,477 km (0.094 R)
• M27: 42,578,845 km (0.077 R)
• M28: 49,179,253 km (0.118 R)
• M29: 50,886,613 km (0.056 R)
• M30: 51,754,879 km (0.079 R)
• M31: 62,362,116 km (0.06 R)
• M32: 69,544,011 km (0.101 R)
• M33: 71,692,835 km (0.108 R)
• M34: 73,443,429 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.4

Radius: 3.9

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.43 AU - 9.93 AU

Year: 18865 Days

Day: 18.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,382,655 km

• M1: 51,312 km (0.071 R)
• M2: 195,674 km (0.076 R)
• M3: 459,415 km (0.073 R)
• M4: 697,126 km (0.067 R)
• M5: 1,624,483 km (0.108 R)
• M6: 3,218,598 km (0.074 R)
• M7: 3,758,198 km (0.109 R)
• M8: 3,915,275 km (0.109 R)
• M9: 8,811,165 km (0.102 R)
• M10: 8,949,244 km (0.107 R)
• M11: 9,420,178 km (0.108 R)
• M12: 12,251,766 km (0.082 R)
• M13: 12,539,593 km (0.096 R)
• M14: 16,284,177 km (0.083 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: 365 - 12,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit