🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.93 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.7

Radius: 10.1

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.2 AU - 4.5 AU

Year: 4803 Days

Day: 9.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,400,147 km

• M1: 125,662 km (0.059 R)
• M2: 440,416 km (0.098 R)
• M3: 1,024,745 km (0.116 R)
• M4: 1,499,719 km (0.085 R)
• M5: 3,493,260 km (0.114 R)
• M6: 4,425,554 km (0.119 R)
• M7: 4,997,766 km (0.118 R)
• M8: 6,123,938 km (0.108 R)
• M9: 6,659,648 km (0.087 R)
• M10: 10,793,486 km (0.099 R)
• M11: 11,408,034 km (0.069 R)
• M12: 12,932,736 km (0.12 R)
• M13: 14,053,822 km (0.12 R)
• M14: 14,687,669 km (0.089 R)
• M15: 16,920,267 km (0.112 R)
• M16: 18,780,517 km (0.108 R)
• M17: 19,911,477 km (0.08 R)
• M18: 20,711,077 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.5

Radius: 9.5

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.27 AU - 5.43 AU

Year: 5769 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,400,147 km

• M1: 118,631 km (0.106 R)
• M2: 441,613 km (0.038 R)
• M3: 831,764 km (0.103 R)
• M4: 1,191,248 km (0.075 R)
• M5: 1,608,177 km (0.103 R)
• M6: 2,265,361 km (0.085 R)
• M7: 3,001,232 km (0.065 R)
• M8: 3,803,077 km (0.113 R)
• M9: 4,523,241 km (0.12 R)
• M10: 5,017,662 km (0.12 R)
• M11: 6,382,593 km (0.057 R)
• M12: 7,634,279 km (0.118 R)
• M13: 9,119,187 km (0.074 R)
• M14: 10,196,591 km (0.055 R)
• M15: 10,531,540 km (0.088 R)
• M16: 12,084,516 km (0.05 R)
• M17: 14,298,415 km (0.052 R)
• M18: 15,583,461 km (0.117 R)
• M19: 18,629,423 km (0.112 R)
• M20: 21,227,040 km (0.077 R)
• M21: 22,051,175 km (0.115 R)
• M22: 22,612,317 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.3

Radius: 14.3

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.58 AU - 5.2 AU

Year: 6875 Days

Day: 6.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,400,147 km

• M1: 425,008 km (0.085 R)
• M2: 1,130,810 km (0.11 R)
• M3: 1,633,758 km (0.095 R)
• M4: 2,521,921 km (0.102 R)
• M5: 3,170,727 km (0.113 R)
• M6: 3,755,655 km (0.034 R)
• M7: 5,144,521 km (0.03 R)
• M8: 6,820,765 km (0.093 R)
• M9: 10,130,020 km (0.058 R)
• M10: 13,393,497 km (0.051 R)
• M11: 18,737,133 km (0.042 R)
• M12: 20,048,359 km (0.085 R)
• M13: 21,985,651 km (0.079 R)
• M14: 23,969,169 km (0.084 R)
• M15: 25,592,456 km (0.112 R)
• M16: 27,370,726 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.6

Radius: 5.6

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.61 AU - 6.63 AU

Year: 10830 Days

Day: 20.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,400,147 km

• M1: 69,713 km (0.079 R)
• M2: 286,031 km (0.069 R)
• M3: 574,306 km (0.062 R)
• M4: 1,284,148 km (0.12 R)
• M5: 1,623,586 km (0.079 R)
• M6: 1,945,670 km (0.08 R)
• M7: 2,870,035 km (0.105 R)
• M8: 3,298,633 km (0.051 R)
• M9: 3,887,151 km (0.119 R)
• M10: 4,131,295 km (0.067 R)
• M11: 4,897,535 km (0.115 R)
• M12: 5,630,864 km (0.093 R)
• M13: 6,468,612 km (0.114 R)
• M14: 6,742,226 km (0.041 R)
• M15: 8,796,504 km (0.046 R)
• M16: 9,047,829 km (0.088 R)
• M17: 9,697,084 km (0.086 R)
• M18: 11,283,120 km (0.064 R)
• M19: 11,932,824 km (0.106 R)
• M20: 13,088,617 km (0.115 R)
• M21: 18,324,991 km (0.073 R)
• M22: 19,573,984 km (0.12 R)
• M23: 21,326,224 km (0.075 R)
• M24: 21,628,112 km (0.115 R)
• M25: 23,660,100 km (0.063 R)
• M26: 24,228,273 km (0.05 R)
• M27: 28,644,851 km (0.082 R)
• M28: 30,039,252 km (0.084 R)
• M29: 32,562,520 km (0.1 R)
• M30: 34,804,992 km (0.035 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.9

Radius: 3.7

Gravity: 16.14 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.63 AU - 8.41 AU

Year: 14441 Days

Day: 15.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,400,147 km

• M1: 179,218 km (0.115 R)
• M2: 611,556 km (0.108 R)
• M3: 937,530 km (0.098 R)
• M4: 2,329,688 km (0.069 R)
• M5: 3,843,169 km (0.096 R)
• M6: 4,429,144 km (0.112 R)
• M7: 5,133,900 km (0.102 R)
• M8: 5,709,403 km (0.11 R)
• M9: 8,793,512 km (0.119 R)
• M10: 8,971,833 km (0.058 R)
• M11: 10,585,246 km (0.09 R)
• M12: 10,837,767 km (0.108 R)
• M13: 16,098,077 km (0.107 R)
• M14: 18,099,547 km (0.108 R)
• M15: 20,415,921 km (0.049 R)
• M16: 21,283,139 km (0.106 R)
• M17: 29,221,850 km (0.048 R)
• M18: 31,761,872 km (0.093 R)
• M19: 35,222,968 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.9

Radius: 6

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.24 AU - 10.06 AU

Year: 14793 Days

Day: 24.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,400,147 km

• M1: 113,246 km (0.092 R)
• M2: 633,697 km (0.04 R)
• M3: 1,086,829 km (0.045 R)
• M4: 1,961,677 km (0.032 R)
• M5: 2,508,607 km (0.068 R)
• M6: 2,817,676 km (0.087 R)
• M7: 3,193,167 km (0.075 R)
• M8: 3,556,689 km (0.12 R)
• M9: 5,802,602 km (0.098 R)
• M10: 7,788,664 km (0.06 R)
• M11: 8,851,706 km (0.088 R)
• M12: 9,919,236 km (0.06 R)
• M13: 10,645,983 km (0.085 R)
• M14: 11,165,835 km (0.118 R)
• M15: 11,358,966 km (0.085 R)
• M16: 11,801,776 km (0.12 R)
• M17: 12,409,891 km (0.116 R)
• M18: 18,923,831 km (0.102 R)
• M19: 22,553,525 km (0.081 R)
• M20: 29,928,999 km (0.112 R)
• M21: 30,867,725 km (0.068 R)
• M22: 32,803,821 km (0.12 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 17,028 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit