🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.9

Radius: 11.6

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.63 AU - 1.03 AU

Year: 496 Days

Day: 12.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,733,577 km

• M1: 144,212 km (0.119 R)
• M2: 690,693 km (0.116 R)
• M3: 1,153,998 km (0.104 R)
• M4: 1,752,988 km (0.112 R)
• M5: 2,155,406 km (0.076 R)
• M6: 2,741,531 km (0.064 R)
• M7: 3,752,064 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.5

Radius: 8.3

Gravity: 13.93 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.12 AU - 1.2 AU

Year: 820 Days

Day: 14.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,733,577 km

• M1: 103,372 km (0.12 R)
• M2: 362,924 km (0.069 R)
• M3: 997,818 km (0.045 R)
• M4: 1,267,244 km (0.104 R)
• M5: 1,671,607 km (0.116 R)
• M6: 2,108,432 km (0.084 R)
• M7: 2,410,321 km (0.052 R)
• M8: 2,753,498 km (0.103 R)
• M9: 3,142,752 km (0.063 R)
• M10: 3,583,019 km (0.067 R)
• M11: 4,047,819 km (0.12 R)
• M12: 4,622,574 km (0.073 R)
• M13: 5,485,455 km (0.091 R)
• M14: 6,385,436 km (0.12 R)
• M15: 7,069,397 km (0.049 R)
• M16: 7,851,794 km (0.079 R)
• M17: 8,909,451 km (0.12 R)
• M18: 9,244,550 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790

Radius: 12.3

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.99 AU - 1.41 AU

Year: 862 Days

Day: 6.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,733,577 km

• M1: 153,039 km (0.077 R)
• M2: 614,997 km (0.097 R)
• M3: 1,093,112 km (0.08 R)
• M4: 1,979,629 km (0.091 R)
• M5: 2,421,541 km (0.031 R)
• M6: 2,867,043 km (0.057 R)
• M7: 3,522,880 km (0.116 R)
• M8: 4,019,396 km (0.102 R)
• M9: 4,477,015 km (0.103 R)
• M10: 5,285,891 km (0.069 R)
• M11: 5,918,541 km (0.117 R)
• M12: 7,030,950 km (0.101 R)
• M13: 8,329,759 km (0.115 R)
• M14: 8,995,320 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.8

Radius: 12.9

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.29 AU - 2.11 AU

Year: 1454 Days

Day: 14 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,733,577 km

• M1: 160,369 km (0.077 R)
• M2: 985,401 km (0.102 R)
• M3: 1,808,489 km (0.081 R)
• M4: 2,327,144 km (0.066 R)
• M5: 2,790,150 km (0.105 R)
• M6: 3,357,575 km (0.095 R)
• M7: 3,825,218 km (0.119 R)
• M8: 4,267,878 km (0.112 R)
• M9: 4,763,047 km (0.039 R)
• M10: 5,276,766 km (0.101 R)
• M11: 6,215,642 km (0.089 R)
• M12: 7,287,361 km (0.11 R)
• M13: 8,670,842 km (0.06 R)
• M14: 9,410,604 km (0.079 R)
• M15: 9,886,325 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.5

Radius: 8.2

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.14 AU - 5.86 AU

Year: 7334 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,733,577 km

• M1: 102,325 km (0.117 R)
• M2: 357,389 km (0.12 R)
• M3: 626,965 km (0.119 R)
• M4: 1,342,491 km (0.072 R)
• M5: 2,303,358 km (0.118 R)
• M6: 3,236,400 km (0.092 R)
• M7: 3,597,829 km (0.102 R)
• M8: 4,427,050 km (0.06 R)
• M9: 4,954,981 km (0.086 R)
• M10: 5,733,488 km (0.094 R)
• M11: 6,658,003 km (0.113 R)
• M12: 8,480,105 km (0.071 R)
• M13: 10,983,326 km (0.097 R)
• M14: 13,343,532 km (0.092 R)
• M15: 15,015,437 km (0.063 R)
• M16: 15,424,887 km (0.063 R)
• M17: 16,822,580 km (0.117 R)
• M18: 18,635,706 km (0.069 R)
• M19: 18,972,600 km (0.113 R)
• M20: 19,382,349 km (0.092 R)
• M21: 21,668,055 km (0.091 R)
• M22: 24,851,497 km (0.092 R)
• M23: 27,543,062 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.4

Radius: 6.8

Gravity: 19.65 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.25 AU - 7.23 AU

Year: 11479 Days

Day: 20 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,733,577 km

• M1: 86,168 km (0.113 R)
• M2: 404,213 km (0.078 R)
• M3: 626,067 km (0.084 R)
• M4: 942,766 km (0.068 R)
• M5: 1,534,725 km (0.089 R)
• M6: 1,802,056 km (0.1 R)
• M7: 3,004,673 km (0.076 R)
• M8: 3,774,055 km (0.112 R)
• M9: 4,234,817 km (0.076 R)
• M10: 5,514,926 km (0.102 R)
• M11: 7,958,906 km (0.086 R)
• M12: 9,886,774 km (0.093 R)
• M13: 12,289,315 km (0.093 R)
• M14: 12,787,476 km (0.088 R)
• M15: 16,885,411 km (0.028 R)
• M16: 18,533,082 km (0.12 R)
• M17: 19,437,551 km (0.059 R)
• M18: 20,543,976 km (0.098 R)
• M19: 21,691,691 km (0.101 R)
• M20: 23,256,485 km (0.107 R)
• M21: 24,894,881 km (0.098 R)
• M22: 28,615,829 km (0.1 R)
• M23: 29,600,931 km (0.08 R)
• M24: 32,220,539 km (0.078 R)
• M25: 33,047,516 km (0.095 R)
• M26: 35,363,441 km (0.094 R)
• M27: 41,137,619 km (0.079 R)
• M28: 42,956,879 km (0.101 R)
• M29: 44,683,089 km (0.078 R)
• M30: 45,563,173 km (0.105 R)
• M31: 46,454,926 km (0.108 R)
• M32: 47,206,954 km (0.086 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: 327 - 14,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit