🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.53 AU - 0.77 AU

Year: 333 Days

Day: 43.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,737,451 km

• M1: 49,966 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.4

Radius: 10.5

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.11 AU - 1.17 AU

Year: 774 Days

Day: 10.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 9,737,451 km

• M1: 130,749 km (0.062 R)
• M2: 198,965 km (0.12 R)
• M3: 350,807 km (0.06 R)
• M4: 443,857 km (0.085 R)
• M5: 581,188 km (0.094 R)
• M6: 720,763 km (0.083 R)
• M7: 809,324 km (0.119 R)
• M8: 895,792 km (0.052 R)
• M9: 964,457 km (0.112 R)
• M10: 1,032,076 km (0.109 R)
• M11: 1,098,048 km (0.063 R)
• M12: 1,291,778 km (0.089 R)
• M13: 1,398,291 km (0.117 R)
• M14: 1,540,110 km (0.119 R)
• M15: 1,761,964 km (0.046 R)
• M16: 1,838,259 km (0.106 R)
• M17: 1,935,348 km (0.088 R)
• M18: 2,006,407 km (0.095 R)
• M19: 2,142,840 km (0.047 R)
• M20: 2,220,631 km (0.043 R)
• M21: 2,320,113 km (0.097 R)
• M22: 2,404,187 km (0.08 R)
• M23: 2,566,800 km (0.092 R)
• M24: 2,645,190 km (0.075 R)
• M25: 2,733,303 km (0.114 R)
• M26: 2,853,579 km (0.088 R)
• M27: 3,021,578 km (0.063 R)
• M28: 3,095,180 km (0.107 R)
• M29: 3,267,965 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.7

Radius: 13.2

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.17 AU - 1.23 AU

Year: 836 Days

Day: 9.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 9,737,451 km

• M1: 166,652 km (0.114 R)
• M2: 257,608 km (0.095 R)
• M3: 346,768 km (0.08 R)
• M4: 454,030 km (0.088 R)
• M5: 543,489 km (0.115 R)
• M6: 667,356 km (0.118 R)
• M7: 826,528 km (0.096 R)
• M8: 957,726 km (0.072 R)
• M9: 1,074,861 km (0.027 R)
• M10: 1,283,400 km (0.098 R)
• M11: 1,426,266 km (0.077 R)
• M12: 1,650,813 km (0.092 R)
• M13: 1,787,395 km (0.104 R)
• M14: 1,914,404 km (0.096 R)
• M15: 2,058,467 km (0.106 R)
• M16: 2,184,877 km (0.072 R)
• M17: 2,328,491 km (0.073 R)
• M18: 2,640,552 km (0.099 R)
• M19: 2,732,256 km (0.061 R)
• M20: 2,817,227 km (0.079 R)
• M21: 2,974,305 km (0.113 R)
• M22: 3,077,827 km (0.106 R)
• M23: 3,305,365 km (0.119 R)
• M24: 3,396,171 km (0.082 R)
• M25: 3,597,380 km (0.095 R)
• M26: 3,725,286 km (0.112 R)
• M27: 4,100,328 km (0.097 R)
• M28: 4,198,165 km (0.055 R)
• M29: 4,414,633 km (0.047 R)
• M30: 4,505,888 km (0.096 R)
• M31: 4,643,967 km (0.114 R)
• M32: 4,736,867 km (0.074 R)
• M33: 4,849,065 km (0.111 R)
• M34: 4,952,886 km (0.085 R)
• M35: 5,181,771 km (0.097 R)
• M36: 5,571,174 km (0.119 R)
• M37: 5,719,575 km (0.093 R)
• M38: 5,839,403 km (0.102 R)
• M39: 6,132,316 km (0.117 R)
• M40: 6,295,976 km (0.089 R)
• M41: 6,481,926 km (0.113 R)
• M42: 6,722,180 km (0.11 R)
• M43: 6,816,876 km (0.07 R)
• M44: 7,384,450 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 9.2

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.29 AU - 2.13 AU

Year: 1422 Days

Day: 6.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 9,737,451 km

• M1: 118,930 km (0.038 R)
• M2: 281,244 km (0.097 R)
• M3: 357,090 km (0.094 R)
• M4: 418,724 km (0.106 R)
• M5: 509,381 km (0.079 R)
• M6: 581,188 km (0.069 R)
• M7: 640,279 km (0.093 R)
• M8: 730,337 km (0.085 R)
• M9: 788,979 km (0.074 R)
• M10: 861,534 km (0.085 R)
• M11: 981,661 km (0.113 R)
• M12: 1,107,473 km (0.115 R)
• M13: 1,189,752 km (0.118 R)
• M14: 1,339,051 km (0.107 R)
• M15: 1,412,353 km (0.092 R)
• M16: 1,502,112 km (0.06 R)
• M17: 1,988,604 km (0.107 R)
• M18: 2,236,488 km (0.091 R)
• M19: 2,341,955 km (0.064 R)
• M20: 2,576,375 km (0.07 R)
• M21: 2,761,876 km (0.089 R)
• M22: 2,894,420 km (0.107 R)
• M23: 3,087,401 km (0.076 R)
• M24: 3,155,917 km (0.074 R)
• M25: 3,364,755 km (0.095 R)
• M26: 3,455,561 km (0.08 R)
• M27: 3,516,597 km (0.113 R)
• M28: 3,639,866 km (0.113 R)
• M29: 3,837,933 km (0.034 R)
• M30: 3,922,456 km (0.091 R)
• M31: 4,060,984 km (0.085 R)
• M32: 4,147,152 km (0.115 R)
• M33: 4,332,055 km (0.112 R)
• M34: 4,497,660 km (0.051 R)
• M35: 4,699,019 km (0.08 R)
• M36: 4,800,895 km (0.068 R)
• M37: 5,029,929 km (0.077 R)
• M38: 5,157,387 km (0.118 R)
• M39: 5,297,560 km (0.073 R)
• M40: 5,629,966 km (0.1 R)
• M41: 6,339,808 km (0.112 R)
• M42: 6,427,323 km (0.074 R)
• M43: 6,705,276 km (0.088 R)
• M44: 6,781,720 km (0.116 R)
• M45: 6,858,614 km (0.088 R)
• M46: 6,974,253 km (0.09 R)
• M47: 7,456,855 km (0.098 R)
• M48: 7,682,299 km (0.09 R)
• M49: 8,139,770 km (0.081 R)
• M50: 8,606,066 km (0.1 R)
• M51: 8,968,542 km (0.089 R)
• M52: 9,208,347 km (0.118 R)
• M53: 9,737,475 km (0.048 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 10,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit