🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.56 AU - 0.6 AU

Year: 285 Days

Day: 26.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,349,448 km

• M1: 42,935 km (0.051 R)

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.7

Radius: 12.7

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1 AU - 1.52 AU

Year: 913 Days

Day: 9.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,349,448 km

• M1: 157,975 km (0.114 R)
• M2: 650,302 km (0.106 R)
• M3: 1,447,060 km (0.051 R)
• M4: 1,969,456 km (0.112 R)
• M5: 2,688,872 km (0.044 R)
• M6: 3,918,417 km (0.118 R)
• M7: 4,884,819 km (0.107 R)
• M8: 6,243,766 km (0.093 R)
• M9: 6,644,240 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.8

Radius: 12.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.05 AU - 2.97 AU

Year: 2568 Days

Day: 13.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,349,448 km

• M1: 150,795 km (0.057 R)
• M2: 541,245 km (0.116 R)
• M3: 991,235 km (0.067 R)
• M4: 1,439,880 km (0.117 R)
• M5: 1,856,061 km (0.116 R)
• M6: 2,257,881 km (0.086 R)
• M7: 3,172,522 km (0.036 R)
• M8: 3,850,649 km (0.086 R)
• M9: 4,361,975 km (0.052 R)
• M10: 6,847,843 km (0.068 R)
• M11: 7,232,907 km (0.052 R)
• M12: 7,790,309 km (0.091 R)
• M13: 8,309,414 km (0.098 R)
• M14: 9,238,117 km (0.044 R)
• M15: 12,181,605 km (0.069 R)
• M16: 18,562,253 km (0.105 R)
• M17: 19,313,983 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.7

Radius: 13.2

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.67 AU - 3.81 AU

Year: 3766 Days

Day: 13.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,349,448 km

• M1: 186,100 km (0.044 R)
• M2: 715,676 km (0.054 R)
• M3: 1,277,865 km (0.113 R)
• M4: 1,846,636 km (0.119 R)
• M5: 3,159,507 km (0.084 R)
• M6: 4,255,611 km (0.086 R)
• M7: 5,199,573 km (0.038 R)
• M8: 7,022,423 km (0.108 R)
• M9: 8,749,531 km (0.118 R)
• M10: 10,131,217 km (0.054 R)
• M11: 14,825,149 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807

Radius: 12.9

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.13 AU - 6.39 AU

Year: 8926 Days

Day: 8 Hours

Environment

Temp: -218 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,349,448 km

• M1: 160,369 km (0.09 R)
• M2: 775,216 km (0.101 R)
• M3: 1,324,839 km (0.103 R)
• M4: 1,766,003 km (0.092 R)
• M5: 2,200,285 km (0.081 R)
• M6: 2,666,582 km (0.105 R)
• M7: 3,407,540 km (0.066 R)
• M8: 4,226,589 km (0.079 R)
• M9: 5,496,226 km (0.111 R)
• M10: 11,469,818 km (0.031 R)
• M11: 13,914,696 km (0.109 R)
• M12: 18,580,205 km (0.104 R)
• M13: 20,529,914 km (0.106 R)
• M14: 23,572,286 km (0.108 R)
• M15: 25,016,205 km (0.066 R)
• M16: 26,806,742 km (0.063 R)
• M17: 27,782,718 km (0.096 R)
• M18: 28,379,614 km (0.067 R)
• M19: 29,393,289 km (0.079 R)
• M20: 34,712,840 km (0.096 R)
• M21: 37,780,793 km (0.112 R)
• M22: 38,636,642 km (0.092 R)
• M23: 41,799,291 km (0.109 R)
• M24: 43,111,264 km (0.111 R)
• M25: 44,315,527 km (0.072 R)
• M26: 46,233,072 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.9

Radius: 9.3

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.77 AU - 6.93 AU

Year: 9136 Days

Day: 14.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,349,448 km

• M1: 115,789 km (0.075 R)
• M2: 639,830 km (0.088 R)
• M3: 1,216,829 km (0.048 R)
• M4: 1,524,552 km (0.112 R)
• M5: 3,756,403 km (0.094 R)
• M6: 4,826,027 km (0.114 R)
• M7: 5,512,831 km (0.076 R)
• M8: 6,515,885 km (0.082 R)
• M9: 7,003,125 km (0.089 R)
• M10: 8,008,722 km (0.096 R)
• M11: 9,153,445 km (0.117 R)
• M12: 10,454,198 km (0.046 R)
• M13: 11,387,240 km (0.101 R)
• M14: 18,700,631 km (0.061 R)
• M15: 20,944,001 km (0.116 R)
• M16: 23,102,848 km (0.049 R)
• M17: 32,144,842 km (0.03 R)
• M18: 34,669,456 km (0.094 R)
• M19: 38,397,734 km (0.078 R)
• M20: 39,615,611 km (0.062 R)
• M21: 41,617,380 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135.3

Radius: 4.1

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.85 AU - 7.17 AU

Year: 10725 Days

Day: 18.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,349,448 km

• M1: 51,162 km (0.088 R)
• M2: 245,041 km (0.104 R)
• M3: 496,366 km (0.091 R)
• M4: 1,270,834 km (0.104 R)
• M5: 2,388,629 km (0.048 R)
• M6: 2,538,077 km (0.091 R)
• M7: 6,201,131 km (0.029 R)
• M8: 6,678,049 km (0.103 R)
• M9: 7,144,944 km (0.104 R)
• M10: 7,885,603 km (0.091 R)
• M11: 8,406,802 km (0.068 R)
• M12: 10,633,865 km (0.029 R)
• M13: 15,798,433 km (0.085 R)
• M14: 16,149,240 km (0.111 R)
• M15: 17,232,777 km (0.107 R)
• M16: 18,235,831 km (0.059 R)
• M17: 20,982,747 km (0.093 R)
• M18: 21,620,483 km (0.062 R)
• M19: 27,868,737 km (0.12 R)
• M20: 28,639,016 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.7

Radius: 7.8

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.04 AU - 11.48 AU

Year: 18194 Days

Day: 20.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,349,448 km

• M1: 97,239 km (0.103 R)
• M2: 573,259 km (0.115 R)
• M3: 817,552 km (0.104 R)
• M4: 1,097,300 km (0.074 R)
• M5: 1,530,685 km (0.06 R)
• M6: 3,734,860 km (0.064 R)
• M7: 4,749,882 km (0.119 R)
• M8: 5,232,036 km (0.058 R)
• M9: 5,784,351 km (0.07 R)
• M10: 6,253,789 km (0.112 R)
• M11: 7,005,070 km (0.111 R)
• M12: 7,268,512 km (0.045 R)
• M13: 7,909,090 km (0.065 R)
• M14: 12,121,915 km (0.034 R)
• M15: 13,087,719 km (0.093 R)
• M16: 14,383,686 km (0.113 R)
• M17: 16,834,248 km (0.041 R)
• M18: 17,628,613 km (0.113 R)
• M19: 19,723,582 km (0.101 R)
• M20: 21,422,714 km (0.029 R)
• M21: 25,110,003 km (0.103 R)
• M22: 25,728,440 km (0.043 R)
• M23: 29,426,200 km (0.063 R)
• M24: 33,339,830 km (0.082 R)
• M25: 37,319,882 km (0.085 R)
• M26: 40,048,996 km (0.119 R)
• M27: 41,892,789 km (0.038 R)
• M28: 42,762,402 km (0.094 R)
• M29: 44,688,026 km (0.07 R)
• M30: 50,158,371 km (0.104 R)
• M31: 54,328,112 km (0.119 R)
• M32: 55,709,649 km (0.08 R)
• M33: 59,084,577 km (0.101 R)
• M34: 60,914,607 km (0.079 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 15,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit