🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.5

Radius: 9.2

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.64 AU - 0.66 AU

Year: 349 Days

Day: 7.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,327,332 km

• M1: 114,442 km (0.11 R)
• M2: 404,513 km (0.106 R)
• M3: 740,210 km (0.11 R)
• M4: 1,027,289 km (0.073 R)
• M5: 1,333,815 km (0.076 R)
• M6: 1,689,110 km (0.109 R)
• M7: 2,250,850 km (0.084 R)
• M8: 2,575,926 km (0.082 R)
• M9: 3,300,428 km (0.06 R)
• M10: 3,958,509 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.9

Radius: 8.7

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.74 AU - 0.96 AU

Year: 523 Days

Day: 5.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,327,332 km

• M1: 108,309 km (0.068 R)
• M2: 455,825 km (0.099 R)
• M3: 843,433 km (0.06 R)
• M4: 1,357,451 km (0.095 R)
• M5: 1,737,430 km (0.061 R)
• M6: 2,076,568 km (0.12 R)
• M7: 2,459,688 km (0.063 R)
• M8: 2,744,373 km (0.092 R)
• M9: 3,380,762 km (0.11 R)
• M10: 3,696,414 km (0.105 R)
• M11: 4,262,043 km (0.103 R)
• M12: 4,558,696 km (0.112 R)
• M13: 5,037,260 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.6

Radius: 13.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.86 AU - 1.04 AU

Year: 617 Days

Day: 9.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,327,332 km

• M1: 171,888 km (0.072 R)
• M2: 659,427 km (0.097 R)
• M3: 1,149,809 km (0.112 R)
• M4: 2,174,704 km (0.086 R)
• M5: 2,614,672 km (0.12 R)
• M6: 3,148,586 km (0.074 R)
• M7: 3,716,759 km (0.073 R)
• M8: 4,482,850 km (0.104 R)
• M9: 5,092,910 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477

Radius: 9.8

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.71 AU - 2.05 AU

Year: 1719 Days

Day: 6 Hours

Environment

Temp: -204 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,327,332 km

• M1: 121,922 km (0.092 R)
• M2: 517,160 km (0.114 R)
• M3: 1,045,240 km (0.119 R)
• M4: 1,464,264 km (0.045 R)
• M5: 1,807,741 km (0.083 R)
• M6: 2,159,595 km (0.1 R)
• M7: 2,531,794 km (0.103 R)
• M8: 3,163,546 km (0.108 R)
• M9: 3,597,530 km (0.057 R)
• M10: 4,053,205 km (0.113 R)
• M11: 5,459,425 km (0.097 R)
• M12: 6,273,387 km (0.066 R)
• M13: 6,960,939 km (0.12 R)
• M14: 7,834,590 km (0.099 R)
• M15: 8,198,263 km (0.114 R)
• M16: 9,608,222 km (0.091 R)
• M17: 9,927,913 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.7

Radius: 8.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.11 AU - 2.75 AU

Year: 2526 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,327,332 km

• M1: 104,419 km (0.113 R)
• M2: 476,170 km (0.108 R)
• M3: 735,423 km (0.059 R)
• M4: 1,511,686 km (0.078 R)
• M5: 2,166,028 km (0.106 R)
• M6: 2,508,008 km (0.11 R)
• M7: 3,658,865 km (0.068 R)
• M8: 3,990,673 km (0.099 R)
• M9: 6,005,906 km (0.092 R)
• M10: 6,782,319 km (0.103 R)
• M11: 9,148,508 km (0.103 R)
• M12: 11,344,755 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.1

Radius: 8.9

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.3 AU - 4.24 AU

Year: 4881 Days

Day: 13.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,327,332 km

• M1: 110,702 km (0.104 R)
• M2: 441,912 km (0.116 R)
• M3: 1,269,188 km (0.098 R)
• M4: 1,732,643 km (0.054 R)
• M5: 2,353,474 km (0.063 R)
• M6: 3,018,885 km (0.057 R)
• M7: 5,570,576 km (0.058 R)
• M8: 7,015,691 km (0.049 R)
• M9: 7,360,215 km (0.109 R)
• M10: 8,271,565 km (0.104 R)
• M11: 10,672,910 km (0.095 R)
• M12: 12,278,245 km (0.03 R)
• M13: 15,092,480 km (0.051 R)
• M14: 16,377,676 km (0.057 R)
• M15: 18,375,106 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.4

Radius: 7.9

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6 AU - 8.06 AU

Year: 12430 Days

Day: 18.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,327,332 km

• M1: 174,581 km (0.037 R)
• M2: 677,529 km (0.098 R)
• M3: 1,304,045 km (0.084 R)
• M4: 1,633,758 km (0.05 R)
• M5: 2,483,025 km (0.026 R)
• M6: 2,904,143 km (0.06 R)
• M7: 3,573,145 km (0.073 R)
• M8: 5,518,067 km (0.104 R)
• M9: 8,580,335 km (0.087 R)
• M10: 9,053,214 km (0.093 R)
• M11: 12,087,358 km (0.064 R)
• M12: 14,515,781 km (0.089 R)
• M13: 17,030,222 km (0.107 R)
• M14: 20,066,610 km (0.102 R)
• M15: 22,545,745 km (0.118 R)
• M16: 28,516,645 km (0.083 R)
• M17: 28,934,622 km (0.104 R)
• M18: 51,331,368 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.4

Radius: 5.7

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.13 AU - 8.69 AU

Year: 16264 Days

Day: 22.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,327,332 km

• M1: 70,909 km (0.096 R)
• M2: 426,653 km (0.112 R)
• M3: 1,171,950 km (0.091 R)
• M4: 1,468,602 km (0.083 R)
• M5: 1,957,189 km (0.101 R)
• M6: 3,114,628 km (0.047 R)
• M7: 3,736,057 km (0.079 R)
• M8: 5,285,293 km (0.104 R)
• M9: 5,546,640 km (0.073 R)
• M10: 6,455,597 km (0.05 R)
• M11: 6,716,346 km (0.064 R)
• M12: 8,041,933 km (0.072 R)
• M13: 8,256,905 km (0.097 R)
• M14: 9,437,681 km (0.103 R)
• M15: 9,628,867 km (0.078 R)
• M16: 11,199,196 km (0.105 R)
• M17: 13,771,232 km (0.077 R)
• M18: 15,689,226 km (0.073 R)
• M19: 16,992,074 km (0.04 R)
• M20: 33,534,307 km (0.092 R)
• M21: 41,786,724 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.1

Radius: 4.1

Gravity: 27.13 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.74 AU - 10.08 AU

Year: 17736 Days

Day: 17.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,327,332 km

• M1: 51,312 km (0.062 R)
• M2: 179,517 km (0.119 R)
• M3: 471,233 km (0.12 R)
• M4: 651,499 km (0.111 R)
• M5: 919,429 km (0.114 R)
• M6: 1,353,412 km (0.113 R)
• M7: 1,841,400 km (0.081 R)
• M8: 2,058,915 km (0.098 R)
• M9: 2,233,047 km (0.026 R)
• M10: 2,417,202 km (0.082 R)
• M11: 3,685,792 km (0.108 R)
• M12: 8,036,697 km (0.117 R)
• M13: 8,275,305 km (0.06 R)
• M14: 8,420,715 km (0.071 R)
• M15: 9,070,717 km (0.12 R)
• M16: 9,699,776 km (0.111 R)
• M17: 11,279,979 km (0.043 R)
• M18: 11,458,748 km (0.055 R)
• M19: 14,096,757 km (0.063 R)
• M20: 14,373,962 km (0.099 R)
• M21: 15,519,283 km (0.101 R)
• M22: 16,341,174 km (0.078 R)
• M23: 17,113,099 km (0.113 R)
• M24: 23,595,773 km (0.115 R)
• M25: 24,982,396 km (0.062 R)
• M26: 27,269,597 km (0.082 R)
• M27: 29,018,097 km (0.068 R)
• M28: 32,978,851 km (0.052 R)
• M29: 36,240,234 km (0.108 R)
• M30: 38,484,800 km (0.093 R)
• M31: 40,540,873 km (0.104 R)
• M32: 51,598,699 km (0.103 R)
• M33: 53,421,699 km (0.086 R)
• M34: 54,603,971 km (0.086 R)
• M35: 55,803,447 km (0.109 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 17,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit