🌌 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: 418.7

Radius: 12.6

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.61 AU - 0.81 AU

Year: 399 Days

Day: 9.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,886,371 km

• M1: 156,928 km (0.078 R)
• M2: 630,555 km (0.109 R)
• M3: 1,066,782 km (0.085 R)
• M4: 1,738,776 km (0.064 R)
• M5: 2,615,569 km (0.087 R)
• M6: 3,307,908 km (0.099 R)
• M7: 4,106,910 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.2

Radius: 11.3

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.87 AU - 0.93 AU

Year: 569 Days

Day: 14.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,886,371 km

• M1: 140,472 km (0.087 R)
• M2: 670,198 km (0.091 R)
• M3: 1,203,365 km (0.082 R)
• M4: 1,827,039 km (0.071 R)
• M5: 2,423,934 km (0.112 R)
• M6: 2,994,052 km (0.12 R)
• M7: 3,583,168 km (0.056 R)
• M8: 4,009,522 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.9

Radius: 9.2

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.51 AU - 1.53 AU

Year: 1250 Days

Day: 6.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,886,371 km

• M1: 115,190 km (0.086 R)
• M2: 459,864 km (0.09 R)
• M3: 1,097,300 km (0.044 R)
• M4: 1,612,067 km (0.1 R)
• M5: 2,084,198 km (0.091 R)
• M6: 3,006,917 km (0.062 R)
• M7: 3,495,653 km (0.082 R)
• M8: 3,861,869 km (0.111 R)
• M9: 4,180,363 km (0.077 R)
• M10: 5,116,846 km (0.096 R)
• M11: 5,746,952 km (0.063 R)
• M12: 7,187,579 km (0.086 R)
• M13: 7,726,580 km (0.079 R)
• M14: 8,119,873 km (0.097 R)
• M15: 8,976,919 km (0.118 R)
• M16: 9,317,255 km (0.102 R)
• M17: 9,827,832 km (0.115 R)
• M18: 12,321,778 km (0.07 R)
• M19: 13,173,140 km (0.109 R)
• M20: 13,532,474 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.9

Radius: 13.5

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.98 AU - 5.34 AU

Year: 7816 Days

Day: 7.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,886,371 km

• M1: 172,486 km (0.038 R)
• M2: 639,531 km (0.066 R)
• M3: 1,366,128 km (0.117 R)
• M4: 2,440,240 km (0.109 R)
• M5: 4,068,763 km (0.094 R)
• M6: 4,747,788 km (0.108 R)
• M7: 6,473,997 km (0.11 R)
• M8: 6,945,829 km (0.06 R)
• M9: 7,958,906 km (0.056 R)
• M10: 8,501,348 km (0.062 R)
• M11: 9,338,497 km (0.104 R)
• M12: 9,847,878 km (0.111 R)
• M13: 13,478,768 km (0.066 R)
• M14: 14,250,992 km (0.077 R)
• M15: 15,496,694 km (0.116 R)
• M16: 16,544,328 km (0.116 R)
• M17: 17,708,798 km (0.117 R)
• M18: 22,094,858 km (0.071 R)
• M19: 25,421,316 km (0.051 R)
• M20: 26,600,596 km (0.072 R)
• M21: 27,157,100 km (0.102 R)
• M22: 28,485,828 km (0.117 R)
• M23: 32,310,298 km (0.108 R)
• M24: 34,674,393 km (0.116 R)
• M25: 38,081,036 km (0.12 R)
• M26: 40,472,358 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.2

Radius: 7.5

Gravity: 13.64 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.89 AU - 10.85 AU

Year: 22269 Days

Day: 21.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,886,371 km

• M1: 127,607 km (0.08 R)
• M2: 397,033 km (0.059 R)
• M3: 867,368 km (0.109 R)
• M4: 1,355,506 km (0.11 R)
• M5: 1,974,692 km (0.102 R)
• M6: 2,428,721 km (0.082 R)
• M7: 2,977,297 km (0.092 R)
• M8: 3,605,608 km (0.094 R)
• M9: 3,854,838 km (0.058 R)
• M10: 4,319,040 km (0.086 R)
• M11: 6,153,708 km (0.06 R)
• M12: 6,510,948 km (0.036 R)
• M13: 6,788,003 km (0.082 R)
• M14: 8,784,836 km (0.059 R)
• M15: 9,123,376 km (0.066 R)
• M16: 9,947,510 km (0.042 R)
• M17: 10,948,769 km (0.091 R)
• M18: 12,645,658 km (0.094 R)
• M19: 16,213,268 km (0.113 R)
• M20: 17,156,183 km (0.072 R)
• M21: 18,226,107 km (0.076 R)
• M22: 19,151,071 km (0.093 R)
• M23: 19,913,272 km (0.061 R)
• M24: 21,295,556 km (0.118 R)
• M25: 30,058,551 km (0.079 R)
• M26: 40,177,500 km (0.08 R)
• M27: 55,354,204 km (0.103 R)
• M28: 57,484,328 km (0.12 R)
• M29: 63,151,993 km (0.098 R)
• M30: 66,985,588 km (0.05 R)
• M31: 75,112,792 km (0.11 R)
• M32: 78,926,640 km (0.072 R)
• M33: 82,118,909 km (0.089 R)
• M34: 84,125,465 km (0.145 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: 299 - 15,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit