🌌 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: 880.5

Radius: 8.6

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.59 AU - 0.71 AU

Year: 362 Days

Day: 7 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,907,340 km

• M1: 107,262 km (0.081 R)
• M2: 404,213 km (0.072 R)
• M3: 752,926 km (0.105 R)
• M4: 1,121,086 km (0.056 R)
• M5: 1,518,867 km (0.119 R)
• M6: 1,827,188 km (0.104 R)
• M7: 2,168,720 km (0.099 R)
• M8: 2,630,828 km (0.106 R)
• M9: 2,938,701 km (0.082 R)
• M10: 3,316,734 km (0.1 R)
• M11: 3,689,532 km (0.079 R)
• M12: 4,266,681 km (0.1 R)
• M13: 4,577,096 km (0.109 R)
• M14: 4,994,026 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611

Radius: 11.9

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.45 AU - 2.15 AU

Year: 1667 Days

Day: 10.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,907,340 km

• M1: 148,102 km (0.064 R)
• M2: 710,889 km (0.058 R)
• M3: 1,157,888 km (0.094 R)
• M4: 1,592,769 km (0.033 R)
• M5: 2,069,836 km (0.059 R)
• M6: 2,695,305 km (0.077 R)
• M7: 3,427,586 km (0.087 R)
• M8: 4,650,998 km (0.106 R)
• M9: 6,559,567 km (0.076 R)
• M10: 8,343,522 km (0.077 R)
• M11: 9,159,429 km (0.064 R)
• M12: 10,094,416 km (0.052 R)
• M13: 12,885,313 km (0.065 R)
• M14: 13,564,637 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.4

Radius: 8.9

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.99 AU - 3.31 AU

Year: 2978 Days

Day: 8 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,907,340 km

• M1: 112,647 km (0.111 R)
• M2: 452,534 km (0.105 R)
• M3: 949,348 km (0.102 R)
• M4: 1,407,118 km (0.107 R)
• M5: 1,886,280 km (0.104 R)
• M6: 2,223,922 km (0.078 R)
• M7: 5,104,279 km (0.032 R)
• M8: 6,510,200 km (0.119 R)
• M9: 7,139,259 km (0.095 R)
• M10: 7,776,845 km (0.073 R)
• M11: 10,367,432 km (0.065 R)
• M12: 12,129,096 km (0.064 R)
• M13: 17,282,892 km (0.077 R)
• M14: 19,224,074 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.9

Radius: 11.2

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.25 AU - 3.41 AU

Year: 4194 Days

Day: 6.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,907,340 km

• M1: 171,888 km (0.077 R)
• M2: 870,211 km (0.074 R)
• M3: 3,923,354 km (0.09 R)
• M4: 4,375,887 km (0.055 R)
• M5: 5,461,070 km (0.037 R)
• M6: 5,946,216 km (0.108 R)
• M7: 6,355,067 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.3

Radius: 10.5

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.87 AU - 4.67 AU

Year: 6091 Days

Day: 11.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,907,340 km

• M1: 138,827 km (0.112 R)
• M2: 491,429 km (0.118 R)
• M3: 929,452 km (0.116 R)
• M4: 2,014,036 km (0.099 R)
• M5: 3,314,490 km (0.105 R)
• M6: 4,118,878 km (0.067 R)
• M7: 4,990,286 km (0.098 R)
• M8: 5,721,221 km (0.118 R)
• M9: 6,079,358 km (0.112 R)
• M10: 8,595,295 km (0.118 R)
• M11: 17,668,257 km (0.109 R)
• M12: 19,142,693 km (0.118 R)
• M13: 27,394,960 km (0.069 R)
• M14: 30,043,890 km (0.092 R)
• M15: 31,129,671 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.9

Radius: 11.2

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.15 AU - 5.49 AU

Year: 7304 Days

Day: 13.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,907,340 km

• M1: 142,716 km (0.114 R)
• M2: 674,836 km (0.088 R)
• M3: 1,603,689 km (0.048 R)
• M4: 2,056,372 km (0.059 R)
• M5: 2,906,836 km (0.109 R)
• M6: 3,516,597 km (0.091 R)
• M7: 4,002,940 km (0.075 R)
• M8: 4,396,981 km (0.07 R)
• M9: 5,968,506 km (0.098 R)
• M10: 8,130,943 km (0.086 R)
• M11: 8,593,500 km (0.099 R)
• M12: 9,617,647 km (0.115 R)
• M13: 10,231,597 km (0.113 R)
• M14: 11,329,795 km (0.1 R)
• M15: 12,230,972 km (0.095 R)
• M16: 12,782,988 km (0.091 R)
• M17: 13,409,504 km (0.093 R)
• M18: 14,723,572 km (0.043 R)
• M19: 19,926,137 km (0.111 R)
• M20: 21,794,615 km (0.098 R)
• M21: 24,290,954 km (0.079 R)
• M22: 25,075,745 km (0.096 R)
• M23: 28,672,377 km (0.045 R)
• M24: 31,354,966 km (0.046 R)
• M25: 32,915,571 km (0.088 R)
• M26: 40,765,569 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.8

Radius: 7.2

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.79 AU - 7.65 AU

Year: 12024 Days

Day: 23 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,907,340 km

• M1: 90,357 km (0.078 R)
• M2: 431,889 km (0.057 R)
• M3: 730,187 km (0.062 R)
• M4: 1,861,746 km (0.093 R)
• M5: 2,251,448 km (0.037 R)
• M6: 3,068,851 km (0.096 R)
• M7: 3,613,985 km (0.094 R)
• M8: 5,038,755 km (0.054 R)
• M9: 5,393,602 km (0.118 R)
• M10: 5,639,241 km (0.081 R)
• M11: 6,087,287 km (0.067 R)
• M12: 6,387,679 km (0.093 R)
• M13: 6,946,278 km (0.087 R)
• M14: 7,651,183 km (0.046 R)
• M15: 9,116,195 km (0.108 R)
• M16: 12,010,315 km (0.071 R)
• M17: 16,470,426 km (0.11 R)
• M18: 16,858,334 km (0.091 R)
• M19: 23,271,146 km (0.046 R)
• M20: 31,337,463 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.1

Radius: 6.2

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.64 AU - 10.96 AU

Year: 18019 Days

Day: 24.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,907,340 km

• M1: 491,728 km (0.09 R)
• M2: 945,309 km (0.102 R)
• M3: 3,592,443 km (0.119 R)
• M4: 4,068,763 km (0.08 R)
• M5: 4,646,510 km (0.059 R)
• M6: 8,379,725 km (0.037 R)
• M7: 9,120,085 km (0.088 R)
• M8: 12,698,466 km (0.108 R)
• M9: 17,627,865 km (0.081 R)
• M10: 18,302,851 km (0.044 R)
• M11: 21,008,777 km (0.104 R)
• M12: 26,413,898 km (0.102 R)
• M13: 27,396,456 km (0.067 R)
• M14: 27,997,541 km (0.109 R)
• M15: 30,277,113 km (0.112 R)
• M16: 33,694,976 km (0.026 R)
• M17: 34,733,484 km (0.072 R)
• M18: 37,729,929 km (0.106 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 11,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit