🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.4

Radius: 13.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.77 AU - 0.97 AU

Year: 560 Days

Day: 9.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,858,144 km

• M1: 171,589 km (0.065 R)
• M2: 686,505 km (0.052 R)
• M3: 1,244,804 km (0.07 R)
• M4: 1,809,985 km (0.075 R)
• M5: 2,360,804 km (0.108 R)
• M6: 2,803,614 km (0.093 R)
• M7: 3,254,502 km (0.108 R)
• M8: 3,727,979 km (0.112 R)
• M9: 4,377,682 km (0.094 R)
• M10: 4,909,952 km (0.109 R)
• M11: 5,485,156 km (0.085 R)
• M12: 6,178,990 km (0.111 R)
• M13: 6,634,516 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.2

Radius: 10.2

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.06 AU - 1.34 AU

Year: 907 Days

Day: 8 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,858,144 km

• M1: 126,859 km (0.058 R)
• M2: 609,911 km (0.049 R)
• M3: 1,001,109 km (0.076 R)
• M4: 1,593,965 km (0.097 R)
• M5: 1,980,676 km (0.107 R)
• M6: 2,319,814 km (0.112 R)
• M7: 2,795,835 km (0.052 R)
• M8: 3,321,970 km (0.099 R)
• M9: 3,668,738 km (0.069 R)
• M10: 5,153,347 km (0.049 R)
• M11: 5,580,001 km (0.047 R)
• M12: 6,178,542 km (0.108 R)
• M13: 6,683,285 km (0.098 R)
• M14: 7,120,709 km (0.095 R)
• M15: 7,601,816 km (0.069 R)
• M16: 8,130,046 km (0.103 R)
• M17: 8,469,334 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.9

Radius: 13

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.98 AU - 2.28 AU

Year: 2146 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,858,144 km

• M1: 161,715 km (0.118 R)
• M2: 675,285 km (0.079 R)
• M3: 1,213,538 km (0.113 R)
• M4: 1,633,908 km (0.074 R)
• M5: 2,365,741 km (0.085 R)
• M6: 2,834,880 km (0.087 R)
• M7: 3,799,936 km (0.093 R)
• M8: 4,762,149 km (0.053 R)
• M9: 6,467,116 km (0.108 R)
• M10: 7,784,176 km (0.093 R)
• M11: 9,665,518 km (0.095 R)
• M12: 10,291,286 km (0.116 R)
• M13: 10,910,622 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.4

Radius: 5.4

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.22 AU - 6.36 AU

Year: 10889 Days

Day: 19 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 28,858,144 km

• M1: 67,169 km (0.063 R)
• M2: 239,955 km (0.083 R)
• M3: 439,519 km (0.101 R)
• M4: 745,446 km (0.041 R)
• M5: 928,704 km (0.116 R)
• M6: 1,142,479 km (0.108 R)
• M7: 1,796,222 km (0.113 R)
• M8: 1,989,203 km (0.06 R)
• M9: 2,364,993 km (0.091 R)
• M10: 2,560,816 km (0.085 R)
• M11: 2,767,411 km (0.107 R)
• M12: 3,388,392 km (0.105 R)
• M13: 3,827,162 km (0.11 R)
• M14: 4,123,217 km (0.12 R)
• M15: 4,381,422 km (0.112 R)
• M16: 4,789,077 km (0.1 R)
• M17: 5,679,782 km (0.107 R)
• M18: 7,629,043 km (0.102 R)
• M19: 8,098,331 km (0.044 R)
• M20: 8,628,207 km (0.111 R)
• M21: 9,756,624 km (0.084 R)
• M22: 10,834,027 km (0.057 R)
• M23: 11,426,585 km (0.055 R)
• M24: 12,568,615 km (0.09 R)
• M25: 13,112,104 km (0.056 R)
• M26: 14,657,749 km (0.056 R)
• M27: 15,198,844 km (0.106 R)
• M28: 16,320,679 km (0.06 R)
• M29: 16,901,867 km (0.056 R)
• M30: 24,820,531 km (0.114 R)
• M31: 26,726,108 km (0.111 R)
• M32: 28,263,825 km (0.041 R)
• M33: 33,229,128 km (0.091 R)
• M34: 35,432,256 km (0.052 R)
• M35: 36,514,746 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810.8

Radius: 7.7

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.1 AU - 7.02 AU

Year: 11598 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 28,858,144 km

• M1: 95,743 km (0.04 R)
• M2: 427,102 km (0.05 R)
• M3: 1,055,263 km (0.119 R)
• M4: 1,472,641 km (0.102 R)
• M5: 1,926,671 km (0.101 R)
• M6: 2,746,318 km (0.075 R)
• M7: 3,334,237 km (0.089 R)
• M8: 4,205,795 km (0.079 R)
• M9: 4,726,694 km (0.11 R)
• M10: 5,289,781 km (0.088 R)
• M11: 6,046,148 km (0.067 R)
• M12: 6,313,629 km (0.093 R)
• M13: 8,414,132 km (0.082 R)
• M14: 9,290,776 km (0.118 R)
• M15: 11,167,481 km (0.079 R)
• M16: 11,629,589 km (0.12 R)
• M17: 12,653,736 km (0.065 R)
• M18: 14,267,448 km (0.099 R)
• M19: 19,015,086 km (0.108 R)
• M20: 24,142,104 km (0.028 R)
• M21: 26,104,230 km (0.099 R)
• M22: 28,170,177 km (0.116 R)
• M23: 29,242,943 km (0.102 R)
• M24: 30,231,486 km (0.069 R)
• M25: 31,698,592 km (0.1 R)
• M26: 36,383,698 km (0.119 R)
• M27: 38,172,290 km (0.108 R)
• M28: 41,785,677 km (0.117 R)
• M29: 45,913,830 km (0.106 R)
• M30: 47,098,646 km (0.119 R)
• M31: 49,375,076 km (0.071 R)
• M32: 50,462,055 km (0.102 R)
• M33: 53,168,280 km (0.099 R)
• M34: 54,474,569 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.8

Radius: 4.8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.89 AU - 8.95 AU

Year: 13951 Days

Day: 24.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,858,144 km

• M1: 61,784 km (0.116 R)
• M2: 263,591 km (0.078 R)
• M3: 639,232 km (0.113 R)
• M4: 876,793 km (0.03 R)
• M5: 1,085,183 km (0.095 R)
• M6: 2,317,570 km (0.052 R)
• M7: 3,573,744 km (0.091 R)
• M8: 5,063,140 km (0.108 R)
• M9: 5,591,819 km (0.099 R)
• M10: 6,249,152 km (0.033 R)
• M11: 6,436,897 km (0.12 R)
• M12: 9,235,275 km (0.053 R)
• M13: 9,727,452 km (0.104 R)
• M14: 17,067,771 km (0.088 R)
• M15: 25,618,486 km (0.048 R)
• M16: 26,587,880 km (0.06 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: 344 - 15,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit