🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.7

Radius: 13.4

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.84 AU - 0.86 AU

Year: 506 Days

Day: 11 Hours

Environment

Temp: -148 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,909,453 km

• M1: 166,652 km (0.081 R)
• M2: 622,926 km (0.105 R)
• M3: 1,093,411 km (0.096 R)
• M4: 1,686,566 km (0.109 R)
• M5: 2,122,794 km (0.096 R)
• M6: 2,862,854 km (0.038 R)
• M7: 3,447,782 km (0.118 R)
• M8: 4,024,183 km (0.071 R)
• M9: 4,789,376 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 12.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.79 AU - 2.67 AU

Year: 2150 Days

Day: 14.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 93,909,453 km

• M1: 159,172 km (0.075 R)
• M2: 612,154 km (0.103 R)
• M3: 1,622,389 km (0.092 R)
• M4: 2,702,934 km (0.116 R)
• M5: 3,155,617 km (0.118 R)
• M6: 3,645,551 km (0.114 R)
• M7: 6,254,089 km (0.1 R)
• M8: 6,821,364 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224

Radius: 10.9

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.34 AU - 2.96 AU

Year: 2785 Days

Day: 5.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 93,909,453 km

• M1: 135,536 km (0.104 R)
• M2: 512,223 km (0.073 R)
• M3: 907,012 km (0.088 R)
• M4: 1,340,098 km (0.099 R)
• M5: 1,786,647 km (0.075 R)
• M6: 2,572,186 km (0.119 R)
• M7: 3,073,787 km (0.092 R)
• M8: 4,237,659 km (0.05 R)
• M9: 5,065,085 km (0.114 R)
• M10: 5,903,431 km (0.085 R)
• M11: 6,883,148 km (0.09 R)
• M12: 7,631,287 km (0.088 R)
• M13: 8,227,284 km (0.056 R)
• M14: 9,007,886 km (0.113 R)
• M15: 10,270,492 km (0.118 R)
• M16: 11,283,270 km (0.102 R)
• M17: 11,982,041 km (0.111 R)
• M18: 12,438,165 km (0.094 R)
• M19: 13,104,175 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.9

Radius: 3

Gravity: 43.99 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.98 AU - 10.22 AU

Year: 20725 Days

Day: 19.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 93,909,453 km

• M1: 37,250 km (0.1 R)
• M2: 160,967 km (0.116 R)
• M3: 293,212 km (0.087 R)
• M4: 2,264,014 km (0.082 R)
• M5: 2,747,514 km (0.084 R)
• M6: 4,540,744 km (0.09 R)
• M7: 5,908,817 km (0.108 R)
• M8: 11,307,056 km (0.076 R)
• M9: 12,368,902 km (0.115 R)
• M10: 13,157,133 km (0.062 R)
• M11: 17,201,362 km (0.089 R)
• M12: 18,348,927 km (0.082 R)
• M13: 25,374,940 km (0.081 R)
• M14: 36,196,102 km (0.052 R)
• M15: 36,328,048 km (0.081 R)
• M16: 38,072,808 km (0.088 R)
• M17: 39,732,446 km (0.084 R)
• M18: 52,549,693 km (0.034 R)
• M19: 56,003,309 km (0.088 R)
• M20: 58,508,924 km (0.102 R)
• M21: 64,127,521 km (0.075 R)
• M22: 64,902,737 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.3

Radius: 4.7

Gravity: 41.8 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 8.35 AU - 13.69 AU

Year: 23620 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 93,909,453 km

• M1: 74,949 km (0.088 R)
• M2: 344,524 km (0.036 R)
• M3: 561,441 km (0.066 R)
• M4: 843,582 km (0.071 R)
• M5: 2,163,185 km (0.043 R)
• M6: 2,492,450 km (0.113 R)
• M7: 2,854,327 km (0.076 R)
• M8: 4,697,523 km (0.083 R)
• M9: 5,498,171 km (0.108 R)
• M10: 6,292,984 km (0.069 R)
• M11: 7,161,699 km (0.061 R)
• M12: 7,365,152 km (0.032 R)
• M13: 8,497,159 km (0.085 R)
• M14: 9,015,964 km (0.117 R)
• M15: 9,740,317 km (0.108 R)
• M16: 10,053,276 km (0.086 R)
• M17: 10,831,783 km (0.109 R)
• M18: 14,429,911 km (0.082 R)
• M19: 17,993,632 km (0.082 R)
• M20: 20,027,714 km (0.117 R)
• M21: 20,431,778 km (0.094 R)
• M22: 22,102,637 km (0.027 R)
• M23: 25,713,480 km (0.033 R)
• M24: 26,190,847 km (0.088 R)
• M25: 28,033,295 km (0.115 R)
• M26: 28,538,935 km (0.037 R)
• M27: 28,922,056 km (0.104 R)
• M28: 35,527,849 km (0.071 R)
• M29: 37,020,087 km (0.089 R)
• M30: 37,475,763 km (0.104 R)
• M31: 39,336,012 km (0.119 R)
• M32: 44,767,163 km (0.108 R)
• M33: 49,934,722 km (0.074 R)
• M34: 53,721,194 km (0.098 R)
• M35: 53,915,372 km (0.057 R)
• M36: 54,696,871 km (0.111 R)
• M37: 57,491,509 km (0.089 R)
• M38: 59,544,889 km (0.089 R)
• M39: 60,379,795 km (0.096 R)
• M40: 67,116,636 km (0.109 R)
• M41: 69,392,169 km (0.069 R)
• M42: 89,204,014 km (0.04 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 11,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit