🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.9

Radius: 9.7

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.71 AU - 0.71 AU

Year: 399 Days

Day: 7.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,659,269 km

• M1: 122,072 km (0.075 R)
• M2: 465,399 km (0.107 R)
• M3: 859,889 km (0.058 R)
• M4: 1,222,364 km (0.102 R)
• M5: 1,615,208 km (0.104 R)
• M6: 2,205,222 km (0.113 R)
• M7: 2,580,563 km (0.063 R)
• M8: 2,965,628 km (0.042 R)
• M9: 3,270,509 km (0.091 R)
• M10: 3,684,596 km (0.101 R)
• M11: 4,272,216 km (0.106 R)
• M12: 4,574,254 km (0.111 R)
• M13: 5,061,794 km (0.117 R)
• M14: 5,483,360 km (0.099 R)
• M15: 5,788,690 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.5

Radius: 13.6

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.02 AU - 1.3 AU

Year: 833 Days

Day: 14.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,659,269 km

• M1: 169,345 km (0.103 R)
• M2: 785,538 km (0.12 R)
• M3: 1,416,841 km (0.094 R)
• M4: 2,177,547 km (0.116 R)
• M5: 2,693,958 km (0.077 R)
• M6: 3,333,041 km (0.065 R)
• M7: 3,824,170 km (0.105 R)
• M8: 4,380,375 km (0.05 R)
• M9: 5,063,439 km (0.086 R)
• M10: 6,295,078 km (0.089 R)
• M11: 6,822,411 km (0.104 R)
• M12: 7,571,447 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.3

Radius: 13.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.02 AU - 1.48 AU

Year: 932 Days

Day: 11.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,659,269 km

• M1: 172,038 km (0.069 R)
• M2: 746,045 km (0.113 R)
• M3: 1,200,224 km (0.118 R)
• M4: 1,723,966 km (0.067 R)
• M5: 2,241,874 km (0.098 R)
• M6: 2,876,169 km (0.037 R)
• M7: 3,485,032 km (0.11 R)
• M8: 4,508,581 km (0.045 R)
• M9: 5,604,983 km (0.107 R)
• M10: 6,494,941 km (0.101 R)
• M11: 9,065,332 km (0.071 R)
• M12: 9,622,733 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.4

Radius: 13.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.61 AU - 2.79 AU

Year: 2959 Days

Day: 11.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,659,269 km

• M1: 171,589 km (0.082 R)
• M2: 619,784 km (0.096 R)
• M3: 1,261,858 km (0.108 R)
• M4: 1,992,943 km (0.066 R)
• M5: 4,755,567 km (0.096 R)
• M6: 5,523,303 km (0.078 R)
• M7: 6,508,106 km (0.094 R)
• M8: 7,336,130 km (0.043 R)
• M9: 8,137,227 km (0.1 R)
• M10: 9,237,220 km (0.05 R)
• M11: 10,662,289 km (0.101 R)
• M12: 11,896,023 km (0.102 R)
• M13: 13,178,675 km (0.077 R)
• M14: 13,991,440 km (0.074 R)
• M15: 16,068,457 km (0.118 R)

Asteroid Belt

Center: 3.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.1

Radius: 11

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.83 AU - 4.79 AU

Year: 5967 Days

Day: 10.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,659,269 km

• M1: 139,126 km (0.113 R)
• M2: 920,625 km (0.071 R)
• M3: 1,297,462 km (0.077 R)
• M4: 2,305,004 km (0.116 R)
• M5: 2,717,146 km (0.073 R)
• M6: 4,554,058 km (0.101 R)
• M7: 5,439,977 km (0.079 R)
• M8: 6,856,370 km (0.084 R)
• M9: 7,519,387 km (0.107 R)
• M10: 8,224,741 km (0.078 R)
• M11: 9,233,181 km (0.039 R)
• M12: 9,689,753 km (0.113 R)
• M13: 10,201,378 km (0.12 R)
• M14: 11,494,502 km (0.116 R)
• M15: 12,614,541 km (0.101 R)
• M16: 13,610,414 km (0.049 R)
• M17: 15,544,715 km (0.081 R)
• M18: 16,028,365 km (0.056 R)
• M19: 17,539,902 km (0.117 R)
• M20: 19,328,643 km (0.092 R)
• M21: 20,974,669 km (0.117 R)
• M22: 21,698,423 km (0.106 R)
• M23: 22,370,716 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.9

Radius: 10.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.96 AU - 4.86 AU

Year: 6176 Days

Day: 8.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,659,269 km

• M1: 147,952 km (0.115 R)
• M2: 719,865 km (0.047 R)
• M3: 1,089,372 km (0.098 R)
• M4: 1,425,069 km (0.091 R)
• M5: 3,162,050 km (0.072 R)
• M6: 3,996,507 km (0.115 R)
• M7: 5,525,697 km (0.11 R)
• M8: 8,248,228 km (0.106 R)
• M9: 12,118,774 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.7

Radius: 7

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.16 AU - 10.4 AU

Year: 20396 Days

Day: 23.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,659,269 km

• M1: 87,365 km (0.08 R)
• M2: 709,991 km (0.098 R)
• M3: 964,308 km (0.083 R)
• M4: 1,404,874 km (0.046 R)
• M5: 2,660,748 km (0.091 R)
• M6: 10,066,441 km (0.095 R)
• M7: 13,091,010 km (0.104 R)
• M8: 15,097,118 km (0.062 R)
• M9: 16,905,607 km (0.041 R)
• M10: 18,188,558 km (0.072 R)
• M11: 19,277,630 km (0.086 R)
• M12: 21,677,629 km (0.096 R)
• M13: 24,872,591 km (0.112 R)
• M14: 27,600,807 km (0.113 R)
• M15: 44,870,834 km (0.074 R)
• M16: 55,713,239 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.2

Radius: 3.4

Gravity: 34.27 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.65 AU - 10.65 AU

Year: 21564 Days

Day: 23.1 Hours

Environment

Temp: -246 °C

Axial Tilt: 108.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,659,269 km

• M1: 42,486 km (0.118 R)
• M2: 172,337 km (0.092 R)
• M3: 320,289 km (0.117 R)
• M4: 1,058,405 km (0.044 R)
• M5: 1,324,540 km (0.107 R)
• M6: 1,650,214 km (0.087 R)
• M7: 2,225,119 km (0.112 R)
• M8: 2,569,343 km (0.077 R)
• M9: 2,997,493 km (0.071 R)
• M10: 3,583,467 km (0.072 R)
• M11: 5,525,697 km (0.055 R)
• M12: 5,794,674 km (0.046 R)
• M13: 6,072,327 km (0.1 R)
• M14: 8,419,518 km (0.106 R)
• M15: 8,879,082 km (0.106 R)
• M16: 9,737,176 km (0.115 R)
• M17: 11,369,289 km (0.114 R)
• M18: 11,492,408 km (0.071 R)
• M19: 11,741,338 km (0.058 R)
• M20: 11,867,150 km (0.106 R)
• M21: 13,039,998 km (0.061 R)
• M22: 13,723,959 km (0.12 R)
• M23: 14,721,328 km (0.051 R)
• M24: 16,620,473 km (0.079 R)
• M25: 21,267,282 km (0.105 R)
• M26: 23,986,074 km (0.069 R)
• M27: 25,428,496 km (0.095 R)
• M28: 26,170,951 km (0.061 R)
• M29: 29,055,347 km (0.116 R)
• M30: 32,021,723 km (0.102 R)
• M31: 36,907,291 km (0.053 R)
• M32: 38,825,584 km (0.061 R)
• M33: 48,122,045 km (0.118 R)
• M34: 48,283,012 km (0.11 R)
• M35: 52,937,750 km (0.06 R)
• M36: 53,453,414 km (0.093 R)
• M37: 55,373,353 km (0.111 R)
• M38: 57,700,796 km (0.086 R)
• M39: 66,459,602 km (0.079 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 16,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit