🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.7

Radius: 13.1

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.77 AU - 1.87 AU

Year: 1561 Days

Day: 12.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,636,947 km

• M1: 167,699 km (0.119 R)
• M2: 867,518 km (0.081 R)
• M3: 1,373,757 km (0.056 R)
• M4: 2,044,405 km (0.078 R)
• M5: 2,606,743 km (0.05 R)
• M6: 3,117,769 km (0.103 R)
• M7: 3,528,116 km (0.113 R)
• M8: 4,268,326 km (0.063 R)
• M9: 5,067,329 km (0.102 R)
• M10: 5,615,754 km (0.082 R)
• M11: 6,375,562 km (0.094 R)
• M12: 7,042,619 km (0.094 R)
• M13: 7,755,602 km (0.106 R)
• M14: 8,426,100 km (0.114 R)
• M15: 10,017,223 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488

Radius: 9

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.32 AU - 3.16 AU

Year: 2884 Days

Day: 13.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,636,947 km

• M1: 125,064 km (0.092 R)
• M2: 743,651 km (0.1 R)
• M3: 1,838,558 km (0.076 R)
• M4: 2,244,118 km (0.104 R)
• M5: 2,924,339 km (0.076 R)
• M6: 3,219,047 km (0.091 R)
• M7: 3,588,105 km (0.097 R)
• M8: 5,260,011 km (0.112 R)
• M9: 7,190,122 km (0.078 R)
• M10: 10,056,268 km (0.066 R)
• M11: 12,258,798 km (0.112 R)
• M12: 13,338,894 km (0.116 R)
• M13: 15,100,409 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.2

Radius: 8.7

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.89 AU - 4.63 AU

Year: 5590 Days

Day: 6.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,636,947 km

• M1: 112,647 km (0.085 R)
• M2: 524,789 km (0.113 R)
• M3: 1,007,841 km (0.109 R)
• M4: 1,348,924 km (0.094 R)
• M5: 1,881,343 km (0.033 R)
• M6: 2,596,121 km (0.111 R)
• M7: 3,025,168 km (0.115 R)
• M8: 3,622,363 km (0.027 R)
• M9: 3,938,463 km (0.113 R)
• M10: 4,295,852 km (0.113 R)
• M11: 5,665,271 km (0.033 R)
• M12: 6,034,329 km (0.073 R)
• M13: 7,776,995 km (0.087 R)
• M14: 8,162,060 km (0.071 R)
• M15: 11,401,901 km (0.115 R)
• M16: 12,696,670 km (0.118 R)
• M17: 13,479,217 km (0.076 R)
• M18: 13,882,234 km (0.115 R)
• M19: 17,461,961 km (0.057 R)
• M20: 21,340,735 km (0.041 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.1

Radius: 3.9

Gravity: 50.76 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.48 AU - 7.66 AU

Year: 11953 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,636,947 km

• M1: 49,218 km (0.073 R)
• M2: 219,610 km (0.086 R)
• M3: 458,368 km (0.11 R)
• M4: 638,035 km (0.106 R)
• M5: 853,905 km (0.08 R)
• M6: 1,141,133 km (0.109 R)
• M7: 1,334,263 km (0.096 R)
• M8: 1,475,035 km (0.105 R)
• M9: 1,672,654 km (0.106 R)
• M10: 2,011,343 km (0.119 R)
• M11: 3,251,959 km (0.07 R)
• M12: 3,614,285 km (0.092 R)
• M13: 4,574,104 km (0.062 R)
• M14: 6,217,736 km (0.078 R)
• M15: 6,373,617 km (0.06 R)
• M16: 7,065,208 km (0.097 R)
• M17: 7,805,568 km (0.112 R)
• M18: 8,887,609 km (0.11 R)
• M19: 15,041,318 km (0.105 R)
• M20: 15,750,711 km (0.119 R)
• M21: 18,329,180 km (0.084 R)
• M22: 21,528,630 km (0.1 R)
• M23: 22,246,550 km (0.113 R)
• M24: 23,166,277 km (0.026 R)
• M25: 26,687,063 km (0.117 R)
• M26: 30,999,072 km (0.098 R)
• M27: 33,200,854 km (0.107 R)
• M28: 44,909,730 km (0.101 R)
• M29: 47,420,580 km (0.111 R)
• M30: 51,598,250 km (0.12 R)
• M31: 55,846,531 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.6

Radius: 3.3

Gravity: 37.52 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.36 AU - 7.84 AU

Year: 12029 Days

Day: 17.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,636,947 km

• M1: 40,990 km (0.109 R)
• M2: 1,913,357 km (0.087 R)
• M3: 2,080,906 km (0.063 R)
• M4: 3,047,608 km (0.071 R)
• M5: 3,160,554 km (0.098 R)
• M6: 4,364,368 km (0.072 R)
• M7: 5,405,420 km (0.062 R)
• M8: 6,489,256 km (0.08 R)
• M9: 7,751,862 km (0.12 R)
• M10: 14,504,710 km (0.106 R)
• M11: 21,019,698 km (0.111 R)
• M12: 21,762,002 km (0.055 R)
• M13: 21,929,253 km (0.069 R)
• M14: 24,093,485 km (0.069 R)
• M15: 30,066,030 km (0.112 R)
• M16: 30,691,649 km (0.083 R)
• M17: 31,432,308 km (0.119 R)
• M18: 32,839,276 km (0.098 R)
• M19: 33,725,643 km (0.025 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: 447 - 14,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit