🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.6

Radius: 11.1

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.56 AU - 0.64 AU

Year: 321 Days

Day: 10.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 91,008,364 km

• M1: 138,079 km (0.066 R)
• M2: 734,376 km (0.075 R)
• M3: 1,222,215 km (0.093 R)
• M4: 1,582,596 km (0.095 R)
• M5: 1,939,686 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.5

Radius: 12.4

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.78 AU - 2.2 AU

Year: 1938 Days

Day: 14.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,008,364 km

• M1: 154,385 km (0.051 R)
• M2: 590,164 km (0.115 R)
• M3: 1,052,271 km (0.105 R)
• M4: 2,152,414 km (0.047 R)
• M5: 2,615,868 km (0.107 R)
• M6: 3,114,628 km (0.12 R)
• M7: 3,872,640 km (0.086 R)
• M8: 5,158,583 km (0.091 R)
• M9: 5,731,842 km (0.047 R)
• M10: 6,553,584 km (0.109 R)
• M11: 6,952,262 km (0.094 R)
• M12: 7,367,246 km (0.076 R)
• M13: 8,776,159 km (0.097 R)
• M14: 9,662,975 km (0.098 R)
• M15: 10,393,162 km (0.096 R)
• M16: 10,937,100 km (0.048 R)
• M17: 11,653,225 km (0.096 R)
• M18: 12,480,801 km (0.102 R)
• M19: 12,888,455 km (0.095 R)
• M20: 14,789,245 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678

Radius: 13.8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.97 AU - 2.29 AU

Year: 2146 Days

Day: 14.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,008,364 km

• M1: 172,486 km (0.052 R)
• M2: 615,595 km (0.085 R)
• M3: 1,116,449 km (0.066 R)
• M4: 1,576,462 km (0.103 R)
• M5: 2,117,259 km (0.117 R)
• M6: 2,915,363 km (0.064 R)
• M7: 3,513,007 km (0.103 R)
• M8: 4,114,241 km (0.105 R)
• M9: 4,934,635 km (0.117 R)
• M10: 6,341,155 km (0.09 R)
• M11: 6,901,698 km (0.118 R)
• M12: 7,379,513 km (0.078 R)
• M13: 7,909,688 km (0.089 R)
• M14: 8,914,986 km (0.103 R)
• M15: 10,361,897 km (0.112 R)
• M16: 11,217,896 km (0.109 R)
• M17: 13,156,086 km (0.118 R)
• M18: 14,888,130 km (0.074 R)
• M19: 15,688,927 km (0.087 R)
• M20: 16,667,596 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781

Radius: 11.3

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.26 AU - 5.46 AU

Year: 8566 Days

Day: 6.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,008,364 km

• M1: 142,118 km (0.091 R)
• M2: 835,654 km (0.066 R)
• M3: 2,477,042 km (0.067 R)
• M4: 3,428,783 km (0.097 R)
• M5: 4,466,095 km (0.093 R)
• M6: 5,213,785 km (0.094 R)
• M7: 5,634,454 km (0.096 R)
• M8: 8,261,094 km (0.073 R)
• M9: 9,865,531 km (0.109 R)
• M10: 10,613,371 km (0.116 R)
• M11: 11,079,966 km (0.098 R)
• M12: 11,506,021 km (0.114 R)
• M13: 13,084,578 km (0.074 R)
• M14: 13,987,401 km (0.078 R)
• M15: 14,995,541 km (0.053 R)
• M16: 15,517,488 km (0.111 R)
• M17: 16,323,072 km (0.087 R)
• M18: 17,872,308 km (0.03 R)
• M19: 18,907,824 km (0.084 R)
• M20: 21,753,924 km (0.103 R)
• M21: 24,067,904 km (0.063 R)
• M22: 25,147,103 km (0.091 R)
• M23: 27,790,647 km (0.093 R)
• M24: 28,479,395 km (0.12 R)
• M25: 29,993,625 km (0.107 R)
• M26: 30,822,846 km (0.114 R)
• M27: 35,659,046 km (0.069 R)
• M28: 43,168,261 km (0.031 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.8

Radius: 7

Gravity: 18.49 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.44 AU - 12.12 AU

Year: 22751 Days

Day: 15.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 91,008,364 km

• M1: 87,365 km (0.101 R)
• M2: 315,801 km (0.105 R)
• M3: 626,217 km (0.094 R)
• M4: 858,991 km (0.08 R)
• M5: 1,081,892 km (0.043 R)
• M6: 1,524,851 km (0.034 R)
• M7: 2,040,515 km (0.032 R)
• M8: 3,010,807 km (0.088 R)
• M9: 3,505,228 km (0.103 R)
• M10: 7,265,669 km (0.118 R)
• M11: 8,262,290 km (0.087 R)
• M12: 9,111,258 km (0.092 R)
• M13: 10,268,398 km (0.076 R)
• M14: 10,783,912 km (0.091 R)
• M15: 11,452,166 km (0.03 R)
• M16: 17,644,022 km (0.109 R)
• M17: 17,918,833 km (0.094 R)
• M18: 20,221,144 km (0.113 R)
• M19: 28,424,044 km (0.118 R)
• M20: 32,904,500 km (0.093 R)
• M21: 36,484,228 km (0.092 R)
• M22: 44,744,723 km (0.074 R)
• M23: 45,427,488 km (0.087 R)
• M24: 47,517,071 km (0.036 R)
• M25: 50,770,376 km (0.066 R)
• M26: 52,262,764 km (0.106 R)
• M27: 55,530,879 km (0.108 R)
• M28: 59,136,936 km (0.105 R)
• M29: 67,927,307 km (0.064 R)
• M30: 72,984,612 km (0.047 R)
• M31: 74,884,057 km (0.083 R)
• M32: 76,573,016 km (0.1 R)
• M33: 78,040,721 km (0.165 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 17,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit