🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.2

Radius: 11.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.83 AU - 1.25 AU

Year: 732 Days

Day: 14.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,076,938 km

• M1: 139,276 km (0.091 R)
• M2: 520,152 km (0.076 R)
• M3: 1,087,427 km (0.063 R)
• M4: 1,818,063 km (0.115 R)
• M5: 2,448,468 km (0.108 R)
• M6: 2,988,517 km (0.077 R)
• M7: 3,793,353 km (0.07 R)
• M8: 4,448,592 km (0.065 R)
• M9: 4,856,096 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966

Radius: 13.5

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.94 AU - 1.98 AU

Year: 1894 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,076,938 km

• M1: 167,849 km (0.08 R)
• M2: 711,487 km (0.063 R)
• M3: 1,209,499 km (0.046 R)
• M4: 1,746,854 km (0.103 R)
• M5: 2,259,227 km (0.076 R)
• M6: 2,841,761 km (0.103 R)
• M7: 3,268,265 km (0.102 R)
• M8: 3,866,806 km (0.095 R)
• M9: 4,332,803 km (0.081 R)
• M10: 4,771,125 km (0.057 R)
• M11: 5,689,357 km (0.114 R)
• M12: 6,943,136 km (0.077 R)
• M13: 7,516,994 km (0.079 R)
• M14: 9,024,492 km (0.118 R)
• M15: 10,064,047 km (0.095 R)
• M16: 10,538,721 km (0.063 R)
• M17: 12,339,730 km (0.115 R)
• M18: 13,797,112 km (0.062 R)
• M19: 14,613,767 km (0.119 R)
• M20: 16,095,534 km (0.048 R)
• M21: 17,154,837 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10

Radius: 13

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.71 AU - 4.15 AU

Year: 4385 Days

Day: 13.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,076,938 km

• M1: 487,839 km (0.094 R)
• M2: 1,200,822 km (0.066 R)
• M3: 1,623,137 km (0.082 R)
• M4: 2,111,275 km (0.064 R)
• M5: 4,814,359 km (0.065 R)
• M6: 6,147,874 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.4

Radius: 12.6

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.07 AU - 4.77 AU

Year: 5357 Days

Day: 9.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,076,938 km

• M1: 157,527 km (0.069 R)
• M2: 646,562 km (0.108 R)
• M3: 1,209,349 km (0.037 R)
• M4: 1,844,542 km (0.098 R)
• M5: 5,105,775 km (0.102 R)
• M6: 6,335,470 km (0.054 R)
• M7: 11,553,444 km (0.056 R)
• M8: 13,002,299 km (0.071 R)
• M9: 13,659,034 km (0.086 R)
• M10: 15,947,432 km (0.074 R)
• M11: 16,383,660 km (0.113 R)
• M12: 17,807,083 km (0.065 R)
• M13: 20,457,509 km (0.102 R)
• M14: 22,106,825 km (0.089 R)
• M15: 24,496,502 km (0.115 R)
• M16: 31,118,601 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.2

Radius: 9.9

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.6 AU - 4.76 AU

Year: 6988 Days

Day: 5.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,076,938 km

• M1: 123,717 km (0.083 R)
• M2: 469,139 km (0.046 R)
• M3: 822,639 km (0.086 R)
• M4: 1,182,272 km (0.099 R)
• M5: 1,962,425 km (0.09 R)
• M6: 2,931,669 km (0.115 R)
• M7: 3,466,332 km (0.037 R)
• M8: 3,793,353 km (0.097 R)
• M9: 4,192,480 km (0.052 R)
• M10: 4,564,680 km (0.09 R)
• M11: 5,719,426 km (0.044 R)
• M12: 6,768,406 km (0.096 R)
• M13: 8,223,395 km (0.06 R)
• M14: 9,243,652 km (0.052 R)
• M15: 11,431,820 km (0.113 R)
• M16: 14,297,517 km (0.117 R)
• M17: 17,406,759 km (0.118 R)
• M18: 22,834,021 km (0.117 R)
• M19: 26,778,019 km (0.109 R)
• M20: 27,415,455 km (0.046 R)
• M21: 27,784,364 km (0.107 R)
• M22: 29,005,830 km (0.108 R)
• M23: 31,354,517 km (0.09 R)
• M24: 31,859,410 km (0.088 R)
• M25: 32,267,064 km (0.035 R)
• M26: 34,145,265 km (0.082 R)
• M27: 36,427,082 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.9

Radius: 12.1

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.82 AU - 4.86 AU

Year: 7350 Days

Day: 5.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,076,938 km

• M1: 152,291 km (0.094 R)
• M2: 555,457 km (0.086 R)
• M3: 958,623 km (0.096 R)
• M4: 1,458,430 km (0.084 R)
• M5: 2,229,756 km (0.049 R)
• M6: 3,000,784 km (0.105 R)
• M7: 3,548,013 km (0.114 R)
• M8: 4,028,820 km (0.086 R)
• M9: 4,893,795 km (0.059 R)
• M10: 6,646,933 km (0.054 R)
• M11: 7,055,335 km (0.118 R)
• M12: 8,711,832 km (0.075 R)
• M13: 9,201,915 km (0.092 R)
• M14: 10,869,781 km (0.114 R)
• M15: 14,480,326 km (0.112 R)
• M16: 18,085,335 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.1

Radius: 13.3

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.83 AU - 5.67 AU

Year: 8303 Days

Day: 9.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,076,938 km

• M1: 165,455 km (0.082 R)
• M2: 712,983 km (0.12 R)
• M3: 1,642,435 km (0.068 R)
• M4: 2,331,184 km (0.086 R)
• M5: 2,984,926 km (0.089 R)
• M6: 4,098,533 km (0.087 R)
• M7: 4,781,298 km (0.092 R)
• M8: 5,277,663 km (0.101 R)
• M9: 6,861,606 km (0.075 R)
• M10: 7,577,132 km (0.066 R)
• M11: 8,341,727 km (0.048 R)
• M12: 9,632,906 km (0.09 R)
• M13: 10,276,027 km (0.07 R)
• M14: 14,818,567 km (0.031 R)
• M15: 17,929,305 km (0.105 R)
• M16: 20,310,305 km (0.066 R)
• M17: 20,875,784 km (0.107 R)
• M18: 21,618,388 km (0.113 R)
• M19: 24,674,673 km (0.055 R)
• M20: 25,226,091 km (0.099 R)
• M21: 31,523,413 km (0.098 R)
• M22: 33,723,250 km (0.101 R)
• M23: 36,023,466 km (0.101 R)
• M24: 42,098,337 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.5

Radius: 7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.79 AU - 8.91 AU

Year: 18173 Days

Day: 16.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,076,938 km

• M1: 92,601 km (0.075 R)
• M2: 399,277 km (0.118 R)
• M3: 1,221,317 km (0.057 R)
• M4: 2,050,388 km (0.083 R)
• M5: 2,665,535 km (0.093 R)
• M6: 4,781,148 km (0.06 R)
• M7: 8,607,263 km (0.092 R)
• M8: 9,737,774 km (0.097 R)
• M9: 11,286,112 km (0.041 R)
• M10: 12,290,063 km (0.082 R)
• M11: 14,732,249 km (0.111 R)
• M12: 15,793,646 km (0.077 R)
• M13: 16,273,705 km (0.077 R)
• M14: 16,622,567 km (0.111 R)
• M15: 16,976,366 km (0.116 R)
• M16: 19,205,823 km (0.052 R)
• M17: 19,831,741 km (0.042 R)
• M18: 21,041,838 km (0.082 R)
• M19: 30,184,213 km (0.089 R)
• M20: 33,437,218 km (0.073 R)
• M21: 37,761,943 km (0.066 R)
• M22: 38,005,788 km (0.109 R)
• M23: 41,143,154 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 11,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit