🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.88 AU - 1.22 AU

Year: 387 Days

Day: 26.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.04 AU - 1.38 AU

Year: 479 Days

Day: 44.8 Hours

Environment

Temp: 16 °C

Axial Tilt: 19 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1 AU - 1.44 AU

Year: 485 Days

Day: 45.2 Hours

Environment

Temp: 25 °C

Axial Tilt: 35.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.59 AU - 3.83 AU

Year: 2070 Days

Day: 14.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,494,757 km

• M1: 870,809 km (0.083 R)

Asteroid Belt

Center: 4.16 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.3

Radius: 11.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.98 AU - 5.22 AU

Year: 4145 Days

Day: 10.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,494,757 km

• M1: 139,874 km (0.082 R)
• M2: 520,601 km (0.041 R)
• M3: 933,940 km (0.115 R)
• M4: 1,383,481 km (0.097 R)
• M5: 1,804,150 km (0.096 R)
• M6: 3,286,815 km (0.092 R)
• M7: 3,674,722 km (0.078 R)
• M8: 4,208,786 km (0.049 R)
• M9: 4,568,270 km (0.106 R)
• M10: 5,213,635 km (0.061 R)
• M11: 5,801,854 km (0.051 R)
• M12: 6,340,706 km (0.118 R)
• M13: 7,313,092 km (0.116 R)
• M14: 8,051,058 km (0.118 R)
• M15: 8,457,067 km (0.119 R)
• M16: 8,915,435 km (0.049 R)
• M17: 9,270,131 km (0.079 R)
• M18: 9,799,109 km (0.107 R)
• M19: 10,219,779 km (0.12 R)
• M20: 12,167,244 km (0.062 R)
• M21: 13,051,816 km (0.102 R)
• M22: 14,190,555 km (0.1 R)
• M23: 14,675,102 km (0.118 R)
• M24: 16,370,196 km (0.113 R)
• M25: 16,843,523 km (0.114 R)
• M26: 17,693,688 km (0.068 R)
• M27: 18,636,155 km (0.105 R)
• M28: 20,416,519 km (0.066 R)
• M29: 24,619,770 km (0.094 R)
• M30: 25,635,241 km (0.063 R)
• M31: 26,193,540 km (0.106 R)
• M32: 26,841,448 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.8

Radius: 8.9

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.59 AU - 6.73 AU

Year: 5502 Days

Day: 9.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,494,757 km

• M1: 110,702 km (0.032 R)
• M2: 756,816 km (0.094 R)
• M3: 3,371,038 km (0.108 R)
• M4: 4,051,410 km (0.088 R)
• M5: 4,389,800 km (0.103 R)
• M6: 5,279,309 km (0.108 R)
• M7: 6,646,185 km (0.092 R)
• M8: 6,958,395 km (0.098 R)
• M9: 7,478,248 km (0.07 R)
• M10: 7,850,447 km (0.11 R)
• M11: 8,522,591 km (0.108 R)
• M12: 9,661,330 km (0.116 R)
• M13: 11,644,698 km (0.061 R)
• M14: 12,424,552 km (0.069 R)
• M15: 13,534,568 km (0.107 R)
• M16: 14,604,642 km (0.089 R)
• M17: 18,032,079 km (0.114 R)
• M18: 19,771,303 km (0.114 R)
• M19: 20,158,014 km (0.066 R)
• M20: 22,796,172 km (0.113 R)
• M21: 25,201,407 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.6

Radius: 12.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 10.99 AU - 11.21 AU

Year: 13309 Days

Day: 10 Hours

Environment

Temp: -181 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,494,757 km

• M1: 162,014 km (0.071 R)
• M2: 993,330 km (0.083 R)
• M3: 1,597,705 km (0.106 R)
• M4: 2,135,809 km (0.067 R)
• M5: 2,940,197 km (0.07 R)
• M6: 5,023,197 km (0.112 R)
• M7: 6,858,314 km (0.089 R)
• M8: 8,249,575 km (0.055 R)
• M9: 9,104,826 km (0.058 R)
• M10: 10,268,697 km (0.051 R)
• M11: 10,834,177 km (0.029 R)
• M12: 12,714,622 km (0.068 R)
• M13: 13,187,052 km (0.101 R)
• M14: 13,609,965 km (0.045 R)
• M15: 18,278,616 km (0.111 R)
• M16: 19,110,230 km (0.063 R)
• M17: 20,686,842 km (0.084 R)
• M18: 22,348,576 km (0.079 R)
• M19: 24,367,548 km (0.091 R)
• M20: 25,748,187 km (0.106 R)
• M21: 27,180,288 km (0.106 R)
• M22: 30,098,493 km (0.1 R)
• M23: 33,108,552 km (0.096 R)
• M24: 36,313,986 km (0.083 R)
• M25: 37,991,726 km (0.106 R)
• M26: 39,971,953 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.7

Radius: 5.1

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 10.78 AU - 17.14 AU

Year: 18772 Days

Day: 18.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,494,757 km

• M1: 63,429 km (0.105 R)
• M2: 223,499 km (0.081 R)
• M3: 412,142 km (0.067 R)
• M4: 666,010 km (0.039 R)
• M5: 1,163,572 km (0.112 R)
• M6: 1,834,818 km (0.108 R)
• M7: 2,129,526 km (0.09 R)
• M8: 4,022,687 km (0.098 R)
• M9: 4,201,456 km (0.065 R)
• M10: 6,259,624 km (0.089 R)
• M11: 6,890,628 km (0.056 R)
• M12: 7,296,337 km (0.09 R)
• M13: 8,779,001 km (0.062 R)
• M14: 9,255,770 km (0.112 R)
• M15: 11,694,814 km (0.073 R)
• M16: 19,631,878 km (0.057 R)
• M17: 22,459,727 km (0.08 R)
• M18: 28,064,411 km (0.117 R)
• M19: 31,137,450 km (0.103 R)
• M20: 33,793,710 km (0.103 R)
• M21: 34,004,045 km (0.087 R)
• M22: 34,427,407 km (0.108 R)
• M23: 37,377,626 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.2

Radius: 4.8

Gravity: 23.01 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 14.31 AU - 16.33 AU

Year: 21580 Days

Day: 23.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 158.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,494,757 km

• M1: 84,822 km (0.082 R)
• M2: 297,700 km (0.108 R)
• M3: 480,808 km (0.083 R)
• M4: 1,263,055 km (0.036 R)
• M5: 1,944,922 km (0.115 R)
• M6: 2,674,810 km (0.107 R)
• M7: 3,023,074 km (0.117 R)
• M8: 3,749,371 km (0.088 R)
• M9: 4,057,543 km (0.077 R)
• M10: 4,585,474 km (0.07 R)
• M11: 5,539,310 km (0.115 R)
• M12: 5,939,185 km (0.111 R)
• M13: 6,751,502 km (0.089 R)
• M14: 7,781,632 km (0.095 R)
• M15: 9,573,516 km (0.058 R)
• M16: 11,558,979 km (0.054 R)
• M17: 15,684,888 km (0.115 R)
• M18: 17,476,771 km (0.063 R)
• M19: 21,268,030 km (0.106 R)
• M20: 27,583,603 km (0.114 R)
• M21: 29,576,696 km (0.041 R)
• M22: 32,168,778 km (0.112 R)
• M23: 32,679,206 km (0.079 R)
• M24: 46,443,407 km (0.083 R)
• M25: 48,751,104 km (0.071 R)
• M26: 50,445,599 km (0.101 R)

Kuiper Belt

Range: 30.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 11,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit