🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.5

Radius: 9.1

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.91 AU - 1.47 AU

Year: 896 Days

Day: 13.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,449,630 km

• M1: 113,096 km (0.056 R)
• M2: 415,583 km (0.093 R)
• M3: 902,674 km (0.105 R)
• M4: 1,249,292 km (0.079 R)
• M5: 1,577,061 km (0.115 R)
• M6: 2,706,225 km (0.048 R)
• M7: 3,000,933 km (0.051 R)
• M8: 3,344,560 km (0.082 R)
• M9: 3,924,551 km (0.112 R)
• M10: 4,271,318 km (0.066 R)
• M11: 4,759,755 km (0.11 R)
• M12: 5,173,244 km (0.096 R)
• M13: 5,949,358 km (0.114 R)
• M14: 6,958,246 km (0.105 R)
• M15: 7,952,772 km (0.061 R)
• M16: 9,120,384 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.7

Radius: 14

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.03 AU - 2.37 AU

Year: 2252 Days

Day: 14.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,449,630 km

• M1: 174,132 km (0.039 R)
• M2: 690,095 km (0.098 R)
• M3: 1,196,185 km (0.093 R)
• M4: 1,840,353 km (0.118 R)
• M5: 2,802,118 km (0.117 R)
• M6: 3,327,356 km (0.119 R)
• M7: 3,879,372 km (0.088 R)
• M8: 5,264,798 km (0.087 R)
• M9: 6,615,966 km (0.058 R)
• M10: 7,962,496 km (0.067 R)
• M11: 9,995,531 km (0.046 R)
• M12: 10,757,583 km (0.117 R)
• M13: 11,640,210 km (0.093 R)
• M14: 12,269,419 km (0.083 R)
• M15: 12,921,067 km (0.108 R)
• M16: 16,584,719 km (0.066 R)
• M17: 18,824,648 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.4

Radius: 10.6

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.87 AU - 3.15 AU

Year: 3605 Days

Day: 9.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,449,630 km

• M1: 131,796 km (0.114 R)
• M2: 468,241 km (0.095 R)
• M3: 839,693 km (0.095 R)
• M4: 1,363,285 km (0.105 R)
• M5: 2,026,602 km (0.081 R)
• M6: 2,553,187 km (0.109 R)
• M7: 2,965,479 km (0.112 R)
• M8: 3,969,430 km (0.097 R)
• M9: 6,266,056 km (0.057 R)
• M10: 8,525,583 km (0.052 R)
• M11: 9,136,840 km (0.05 R)
• M12: 9,573,815 km (0.071 R)
• M13: 10,191,953 km (0.086 R)
• M14: 10,662,139 km (0.115 R)
• M15: 11,646,045 km (0.097 R)
• M16: 12,302,929 km (0.07 R)
• M17: 14,001,164 km (0.084 R)
• M18: 14,582,651 km (0.038 R)
• M19: 16,775,008 km (0.07 R)
• M20: 17,673,941 km (0.113 R)
• M21: 18,541,609 km (0.116 R)
• M22: 19,049,942 km (0.115 R)
• M23: 20,161,305 km (0.118 R)
• M24: 21,108,409 km (0.066 R)
• M25: 23,828,846 km (0.084 R)
• M26: 27,261,220 km (0.109 R)

Asteroid Belt

Center: 3.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.4

Radius: 11.1

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.05 AU - 4.65 AU

Year: 5214 Days

Day: 11.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,449,630 km

• M1: 138,079 km (0.076 R)
• M2: 556,055 km (0.084 R)
• M3: 1,203,964 km (0.096 R)
• M4: 2,863,752 km (0.098 R)
• M5: 3,692,375 km (0.077 R)
• M6: 4,163,159 km (0.099 R)
• M7: 4,853,105 km (0.112 R)
• M8: 6,089,830 km (0.099 R)
• M9: 6,684,631 km (0.109 R)
• M10: 7,215,255 km (0.113 R)
• M11: 10,519,124 km (0.079 R)
• M12: 11,469,220 km (0.113 R)
• M13: 13,025,487 km (0.107 R)
• M14: 13,487,594 km (0.09 R)
• M15: 15,503,276 km (0.107 R)
• M16: 16,315,892 km (0.07 R)
• M17: 18,794,429 km (0.026 R)
• M18: 20,741,296 km (0.089 R)
• M19: 26,313,069 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.3

Radius: 3.8

Gravity: 17.26 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.14 AU - 10.94 AU

Year: 18761 Days

Day: 18.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,449,630 km

• M1: 47,273 km (0.097 R)
• M2: 252,372 km (0.1 R)
• M3: 663,766 km (0.106 R)
• M4: 1,479,822 km (0.064 R)
• M5: 2,514,591 km (0.072 R)
• M6: 3,711,074 km (0.115 R)
• M7: 4,417,625 km (0.092 R)
• M8: 5,043,991 km (0.068 R)
• M9: 6,393,813 km (0.09 R)
• M10: 6,548,647 km (0.083 R)
• M11: 9,781,008 km (0.119 R)
• M12: 11,910,833 km (0.119 R)
• M13: 13,490,736 km (0.069 R)
• M14: 14,199,231 km (0.1 R)
• M15: 17,207,645 km (0.065 R)
• M16: 18,427,466 km (0.119 R)
• M17: 20,952,827 km (0.116 R)
• M18: 21,901,577 km (0.115 R)
• M19: 25,014,858 km (0.107 R)
• M20: 27,585,548 km (0.08 R)
• M21: 28,410,730 km (0.076 R)
• M22: 45,347,752 km (0.109 R)
• M23: 46,640,577 km (0.106 R)
• M24: 48,253,840 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.4

Radius: 4.2

Gravity: 31.54 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.4 AU - 10.12 AU

Year: 21047 Days

Day: 16.2 Hours

Environment

Temp: -245 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 73,449,630 km

• M1: 63,130 km (0.092 R)
• M2: 712,684 km (0.119 R)
• M3: 945,309 km (0.097 R)
• M4: 1,158,336 km (0.117 R)
• M5: 1,663,379 km (0.075 R)
• M6: 2,053,829 km (0.107 R)
• M7: 2,836,376 km (0.078 R)
• M8: 4,507,384 km (0.112 R)
• M9: 4,714,577 km (0.093 R)
• M10: 5,607,527 km (0.11 R)
• M11: 5,766,549 km (0.053 R)
• M12: 6,135,607 km (0.042 R)
• M13: 6,966,025 km (0.096 R)
• M14: 9,617,647 km (0.052 R)
• M15: 12,532,113 km (0.066 R)
• M16: 13,431,495 km (0.072 R)
• M17: 13,573,464 km (0.116 R)
• M18: 13,860,692 km (0.095 R)
• M19: 15,203,332 km (0.046 R)
• M20: 17,292,167 km (0.118 R)
• M21: 18,230,745 km (0.063 R)
• M22: 25,227,587 km (0.09 R)
• M23: 25,880,432 km (0.051 R)
• M24: 29,434,279 km (0.111 R)
• M25: 30,157,884 km (0.104 R)
• M26: 30,646,620 km (0.12 R)
• M27: 31,640,249 km (0.1 R)
• M28: 32,911,980 km (0.083 R)
• M29: 36,515,494 km (0.057 R)
• M30: 36,792,549 km (0.083 R)
• M31: 40,078,616 km (0.089 R)
• M32: 43,555,121 km (0.06 R)
• M33: 43,710,703 km (0.073 R)
• M34: 44,651,823 km (0.066 R)
• M35: 46,574,455 km (0.107 R)
• M36: 47,227,300 km (0.04 R)
• M37: 50,412,238 km (0.043 R)
• M38: 51,100,538 km (0.097 R)
• M39: 56,095,013 km (0.1 R)
• M40: 62,189,780 km (0.083 R)
• M41: 66,420,407 km (0.112 R)
• M42: 68,921,983 km (0.116 R)
• M43: 69,982,632 km (0.063 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: 322 - 16,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit