🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.05 AU - 1.35 AU

Year: 488 Days

Day: 46.9 Hours

Environment

Temp: -14 °C

Axial Tilt: 35.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.89 AU - 4.23 AU

Year: 2491 Days

Day: 26.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 9.4

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.31 AU - 5.99 AU

Year: 4981 Days

Day: 5.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,256,320 km

• M1: 117,285 km (0.069 R)
• M2: 719,715 km (0.037 R)
• M3: 1,027,289 km (0.102 R)
• M4: 1,640,041 km (0.098 R)
• M5: 2,126,683 km (0.039 R)
• M6: 2,766,663 km (0.112 R)
• M7: 3,172,821 km (0.025 R)
• M8: 3,913,181 km (0.079 R)
• M9: 4,324,575 km (0.107 R)
• M10: 5,096,949 km (0.089 R)
• M11: 7,576,085 km (0.097 R)
• M12: 7,937,962 km (0.082 R)
• M13: 8,860,233 km (0.12 R)
• M14: 10,030,687 km (0.084 R)
• M15: 11,575,584 km (0.108 R)
• M16: 12,137,773 km (0.114 R)
• M17: 14,249,496 km (0.084 R)
• M18: 15,608,743 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.2

Radius: 9

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.67 AU - 9.37 AU

Year: 7648 Days

Day: 5.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,256,320 km

• M1: 111,899 km (0.063 R)
• M2: 508,184 km (0.089 R)
• M3: 982,559 km (0.057 R)
• M4: 1,320,052 km (0.09 R)
• M5: 2,058,915 km (0.11 R)
• M6: 2,948,873 km (0.084 R)
• M7: 3,734,561 km (0.11 R)
• M8: 4,151,191 km (0.096 R)
• M9: 4,792,069 km (0.086 R)
• M10: 5,136,443 km (0.112 R)
• M11: 6,474,446 km (0.096 R)
• M12: 8,070,805 km (0.096 R)
• M13: 8,476,814 km (0.091 R)
• M14: 8,768,978 km (0.057 R)
• M15: 10,522,714 km (0.105 R)
• M16: 11,305,560 km (0.115 R)
• M17: 13,830,323 km (0.067 R)
• M18: 15,875,924 km (0.044 R)
• M19: 16,192,922 km (0.058 R)
• M20: 17,978,074 km (0.091 R)
• M21: 18,392,011 km (0.111 R)
• M22: 24,959,358 km (0.084 R)
• M23: 28,810,156 km (0.112 R)
• M24: 33,452,926 km (0.101 R)
• M25: 34,820,101 km (0.119 R)
• M26: 35,355,662 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.6

Radius: 11.6

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.54 AU - 10.6 AU

Year: 10130 Days

Day: 14 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,256,320 km

• M1: 144,362 km (0.055 R)
• M2: 1,522,906 km (0.09 R)
• M3: 3,387,195 km (0.088 R)
• M4: 6,144,134 km (0.053 R)
• M5: 8,221,151 km (0.088 R)
• M6: 8,639,726 km (0.086 R)
• M7: 9,519,511 km (0.119 R)
• M8: 14,499,923 km (0.093 R)
• M9: 15,043,263 km (0.083 R)
• M10: 19,235,444 km (0.102 R)
• M11: 21,862,233 km (0.081 R)
• M12: 23,031,939 km (0.099 R)
• M13: 25,889,707 km (0.06 R)
• M14: 27,506,860 km (0.119 R)
• M15: 28,763,033 km (0.091 R)
• M16: 29,730,034 km (0.105 R)
• M17: 32,761,335 km (0.095 R)
• M18: 35,257,077 km (0.106 R)
• M19: 48,443,830 km (0.071 R)
• M20: 53,747,972 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.2

Radius: 10.2

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 8.89 AU - 9.53 AU

Year: 10366 Days

Day: 9.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,256,320 km

• M1: 127,158 km (0.055 R)
• M2: 476,918 km (0.119 R)
• M3: 844,779 km (0.114 R)
• M4: 1,372,112 km (0.048 R)
• M5: 1,892,413 km (0.092 R)
• M6: 3,868,601 km (0.068 R)
• M7: 4,942,265 km (0.071 R)
• M8: 5,300,253 km (0.07 R)
• M9: 8,909,002 km (0.115 R)
• M10: 9,994,335 km (0.063 R)
• M11: 12,755,313 km (0.08 R)
• M12: 16,313,199 km (0.113 R)
• M13: 17,587,025 km (0.034 R)
• M14: 18,213,092 km (0.075 R)
• M15: 20,866,659 km (0.109 R)
• M16: 31,157,347 km (0.096 R)
• M17: 35,149,964 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.8

Radius: 10.3

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.99 AU - 11.57 AU

Year: 10484 Days

Day: 10.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,256,320 km

• M1: 128,355 km (0.065 R)
• M2: 620,233 km (0.067 R)
• M3: 1,302,997 km (0.09 R)
• M4: 5,605,731 km (0.087 R)
• M5: 11,210,864 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.7

Radius: 7.4

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 11.75 AU - 17.09 AU

Year: 20307 Days

Day: 16.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 142.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,256,320 km

• M1: 92,003 km (0.11 R)
• M2: 339,288 km (0.058 R)
• M3: 1,077,703 km (0.086 R)
• M4: 1,447,509 km (0.069 R)
• M5: 2,645,638 km (0.047 R)
• M6: 3,895,229 km (0.119 R)
• M7: 5,497,572 km (0.075 R)
• M8: 6,090,429 km (0.027 R)
• M9: 8,075,891 km (0.111 R)
• M10: 8,529,472 km (0.118 R)
• M11: 9,268,934 km (0.064 R)
• M12: 9,936,141 km (0.033 R)
• M13: 11,241,831 km (0.111 R)
• M14: 13,064,083 km (0.099 R)
• M15: 15,608,144 km (0.058 R)
• M16: 18,899,597 km (0.111 R)
• M17: 22,429,209 km (0.062 R)
• M18: 22,924,079 km (0.104 R)
• M19: 25,939,224 km (0.076 R)
• M20: 26,374,853 km (0.115 R)
• M21: 28,395,770 km (0.098 R)
• M22: 36,416,310 km (0.085 R)
• M23: 40,793,395 km (0.111 R)
• M24: 42,276,957 km (0.12 R)
• M25: 42,880,285 km (0.115 R)
• M26: 47,265,597 km (0.077 R)
• M27: 57,650,382 km (0.09 R)
• M28: 62,782,187 km (0.115 R)
• M29: 63,370,556 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.3

Radius: 7.4

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 17.22 AU - 17.82 AU

Year: 27196 Days

Day: 20.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,256,320 km

• M1: 175,628 km (0.115 R)
• M2: 1,002,605 km (0.071 R)
• M3: 2,350,631 km (0.025 R)
• M4: 3,041,923 km (0.069 R)
• M5: 3,501,488 km (0.111 R)
• M6: 4,276,704 km (0.11 R)
• M7: 8,301,335 km (0.058 R)
• M8: 9,776,819 km (0.112 R)
• M9: 10,047,891 km (0.12 R)
• M10: 29,117,730 km (0.085 R)
• M11: 29,679,470 km (0.12 R)
• M12: 37,654,532 km (0.064 R)
• M13: 47,875,358 km (0.106 R)
• M14: 56,608,433 km (0.085 R)
• M15: 57,659,358 km (0.114 R)
• M16: 59,080,687 km (0.068 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 12,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit