🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.45 AU - 0.67 AU

Year: 271 Days

Day: 47.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.1

Radius: 11.8

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.01 AU - 1.59 AU

Year: 957 Days

Day: 14.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,687,350 km

• M1: 146,756 km (0.041 R)
• M2: 823,835 km (0.111 R)
• M3: 1,847,683 km (0.112 R)
• M4: 2,218,536 km (0.051 R)
• M5: 2,610,632 km (0.116 R)
• M6: 3,191,521 km (0.091 R)
• M7: 4,063,677 km (0.107 R)
• M8: 4,936,431 km (0.038 R)
• M9: 5,385,673 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.1

Radius: 9.3

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.03 AU - 2.09 AU

Year: 1909 Days

Day: 7.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,687,350 km

• M1: 115,789 km (0.1 R)
• M2: 408,851 km (0.079 R)
• M3: 1,059,153 km (0.081 R)
• M4: 1,452,446 km (0.095 R)
• M5: 1,974,841 km (0.103 R)
• M6: 2,852,233 km (0.068 R)
• M7: 3,284,272 km (0.068 R)
• M8: 3,574,192 km (0.069 R)
• M9: 4,059,338 km (0.079 R)
• M10: 5,247,295 km (0.096 R)
• M11: 5,805,445 km (0.079 R)
• M12: 6,255,585 km (0.099 R)
• M13: 6,627,485 km (0.084 R)
• M14: 7,803,923 km (0.07 R)
• M15: 10,427,420 km (0.106 R)
• M16: 10,809,793 km (0.118 R)
• M17: 11,129,483 km (0.074 R)
• M18: 11,528,910 km (0.065 R)
• M19: 12,279,592 km (0.085 R)
• M20: 12,903,116 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.5

Radius: 10.2

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.15 AU - 2.45 AU

Year: 2252 Days

Day: 8.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,687,350 km

• M1: 126,859 km (0.07 R)
• M2: 462,257 km (0.089 R)
• M3: 970,292 km (0.107 R)
• M4: 1,458,280 km (0.093 R)
• M5: 1,889,720 km (0.094 R)
• M6: 2,284,659 km (0.112 R)
• M7: 2,675,408 km (0.082 R)
• M8: 4,005,782 km (0.112 R)
• M9: 4,883,323 km (0.026 R)
• M10: 5,634,305 km (0.072 R)
• M11: 6,115,561 km (0.106 R)
• M12: 6,902,745 km (0.096 R)
• M13: 7,247,718 km (0.056 R)
• M14: 8,711,383 km (0.073 R)
• M15: 10,400,493 km (0.032 R)
• M16: 10,778,078 km (0.1 R)
• M17: 12,805,727 km (0.107 R)
• M18: 13,240,010 km (0.114 R)
• M19: 14,601,650 km (0.081 R)
• M20: 17,548,578 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.6

Radius: 12.1

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.99 AU - 4.07 AU

Year: 5224 Days

Day: 11.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,687,350 km

• M1: 150,645 km (0.112 R)
• M2: 617,839 km (0.07 R)
• M3: 2,288,698 km (0.057 R)
• M4: 3,650,936 km (0.113 R)
• M5: 4,471,480 km (0.11 R)
• M6: 5,191,794 km (0.089 R)
• M7: 6,446,920 km (0.118 R)
• M8: 8,372,694 km (0.069 R)
• M9: 9,026,586 km (0.104 R)
• M10: 10,833,130 km (0.104 R)
• M11: 15,602,160 km (0.113 R)
• M12: 23,215,346 km (0.071 R)
• M13: 24,973,121 km (0.072 R)
• M14: 27,731,855 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.3

Radius: 11.4

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.63 AU - 4.87 AU

Year: 5657 Days

Day: 14 Hours

Environment

Temp: -205 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,687,350 km

• M1: 142,417 km (0.082 R)
• M2: 905,965 km (0.115 R)
• M3: 1,436,140 km (0.11 R)
• M4: 2,152,115 km (0.107 R)
• M5: 3,011,555 km (0.086 R)
• M6: 4,767,535 km (0.091 R)
• M7: 5,461,818 km (0.08 R)
• M8: 6,255,435 km (0.094 R)
• M9: 7,798,387 km (0.077 R)
• M10: 9,986,256 km (0.068 R)
• M11: 10,782,865 km (0.1 R)
• M12: 13,261,402 km (0.081 R)
• M13: 13,821,946 km (0.062 R)
• M14: 15,292,792 km (0.113 R)
• M15: 15,909,584 km (0.067 R)
• M16: 18,267,695 km (0.062 R)
• M17: 18,682,231 km (0.066 R)
• M18: 19,244,868 km (0.084 R)
• M19: 26,994,487 km (0.068 R)
• M20: 30,139,633 km (0.05 R)
• M21: 31,700,986 km (0.108 R)
• M22: 32,602,612 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.6

Radius: 9.6

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.65 AU - 4.87 AU

Year: 5677 Days

Day: 8.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,687,350 km

• M1: 143,614 km (0.076 R)
• M2: 592,707 km (0.102 R)
• M3: 949,049 km (0.103 R)
• M4: 2,017,626 km (0.102 R)
• M5: 2,966,376 km (0.067 R)
• M6: 4,022,238 km (0.11 R)
• M7: 5,776,722 km (0.115 R)
• M8: 6,332,777 km (0.119 R)
• M9: 8,408,747 km (0.105 R)
• M10: 8,880,728 km (0.115 R)
• M11: 9,877,947 km (0.106 R)
• M12: 10,902,094 km (0.103 R)
• M13: 11,321,567 km (0.098 R)
• M14: 18,252,735 km (0.108 R)
• M15: 19,653,869 km (0.106 R)
• M16: 24,286,466 km (0.115 R)
• M17: 24,922,407 km (0.052 R)
• M18: 25,651,098 km (0.037 R)
• M19: 26,062,043 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.7

Radius: 3.9

Gravity: 15.43 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.87 AU - 6.75 AU

Year: 10234 Days

Day: 17.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,687,350 km

• M1: 48,619 km (0.115 R)
• M2: 172,786 km (0.105 R)
• M3: 674,387 km (0.077 R)
• M4: 930,648 km (0.036 R)
• M5: 1,270,834 km (0.075 R)
• M6: 1,457,382 km (0.116 R)
• M7: 1,702,573 km (0.108 R)
• M8: 1,900,192 km (0.083 R)
• M9: 2,497,237 km (0.107 R)
• M10: 2,715,351 km (0.072 R)
• M11: 2,887,089 km (0.108 R)
• M12: 4,831,114 km (0.079 R)
• M13: 5,141,230 km (0.096 R)
• M14: 6,414,308 km (0.103 R)
• M15: 7,769,066 km (0.046 R)
• M16: 10,838,366 km (0.094 R)
• M17: 15,396,314 km (0.057 R)
• M18: 16,755,261 km (0.063 R)
• M19: 16,882,718 km (0.085 R)
• M20: 20,280,983 km (0.105 R)
• M21: 27,056,570 km (0.1 R)
• M22: 28,300,177 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.3

Radius: 4.1

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.36 AU - 6.62 AU

Year: 10675 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,687,350 km

• M1: 51,013 km (0.069 R)
• M2: 593,604 km (0.106 R)
• M3: 1,416,093 km (0.099 R)
• M4: 2,415,557 km (0.117 R)
• M5: 3,117,919 km (0.113 R)
• M6: 3,356,228 km (0.098 R)
• M7: 3,736,656 km (0.1 R)
• M8: 4,669,398 km (0.114 R)
• M9: 6,211,304 km (0.038 R)
• M10: 6,643,941 km (0.117 R)
• M11: 6,953,010 km (0.113 R)
• M12: 7,300,974 km (0.063 R)
• M13: 8,544,881 km (0.113 R)
• M14: 10,179,088 km (0.116 R)
• M15: 12,681,112 km (0.042 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.7

Radius: 3.8

Gravity: 21.93 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 8.65 AU - 9.35 AU

Year: 17433 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,687,350 km

• M1: 48,769 km (0.114 R)
• M2: 271,071 km (0.08 R)
• M3: 522,994 km (0.089 R)
• M4: 968,497 km (0.079 R)
• M5: 1,510,041 km (0.114 R)
• M6: 1,707,959 km (0.064 R)
• M7: 2,027,949 km (0.06 R)
• M8: 2,406,731 km (0.042 R)
• M9: 2,677,054 km (0.112 R)
• M10: 2,967,423 km (0.088 R)
• M11: 3,610,545 km (0.098 R)
• M12: 3,908,843 km (0.094 R)
• M13: 4,902,771 km (0.075 R)
• M14: 5,099,941 km (0.115 R)
• M15: 7,764,877 km (0.109 R)
• M16: 8,493,569 km (0.057 R)
• M17: 9,824,990 km (0.061 R)
• M18: 10,244,761 km (0.05 R)
• M19: 11,063,810 km (0.098 R)
• M20: 11,575,734 km (0.118 R)
• M21: 21,520,252 km (0.111 R)
• M22: 22,767,300 km (0.109 R)
• M23: 25,600,235 km (0.061 R)
• M24: 29,514,613 km (0.064 R)
• M25: 31,500,524 km (0.1 R)
• M26: 31,726,567 km (0.091 R)
• M27: 46,766,987 km (0.075 R)
• M28: 49,154,719 km (0.059 R)
• M29: 50,532,814 km (0.052 R)
• M30: 53,687,385 km (0.105 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 11,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit