🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.57 AU - 0.69 AU

Year: 318 Days

Day: 36.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.4

Radius: 11.9

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.11 AU - 1.37 AU

Year: 878 Days

Day: 13.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,463,519 km

• M1: 148,102 km (0.061 R)
• M2: 576,849 km (0.118 R)
• M3: 954,434 km (0.045 R)
• M4: 1,333,815 km (0.075 R)
• M5: 2,114,566 km (0.105 R)
• M6: 2,529,102 km (0.102 R)
• M7: 3,355,630 km (0.057 R)
• M8: 4,039,890 km (0.083 R)
• M9: 4,964,705 km (0.099 R)
• M10: 5,761,014 km (0.109 R)
• M11: 6,743,722 km (0.114 R)
• M12: 7,297,235 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.2

Radius: 14.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.07 AU - 1.47 AU

Year: 910 Days

Day: 10.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 45,463,519 km

• M1: 181,612 km (0.076 R)
• M2: 669,750 km (0.096 R)
• M3: 1,502,262 km (0.109 R)
• M4: 4,331,756 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949

Radius: 11.3

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.99 AU - 2.23 AU

Year: 1949 Days

Day: 7.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 88.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,463,519 km

• M1: 140,622 km (0.095 R)
• M2: 519,254 km (0.084 R)
• M3: 904,618 km (0.118 R)
• M4: 1,508,545 km (0.119 R)
• M5: 2,173,507 km (0.099 R)
• M6: 2,560,517 km (0.119 R)
• M7: 3,253,305 km (0.105 R)
• M8: 3,837,784 km (0.084 R)
• M9: 4,367,061 km (0.07 R)
• M10: 5,240,563 km (0.086 R)
• M11: 5,768,643 km (0.075 R)
• M12: 6,331,879 km (0.064 R)
• M13: 6,736,691 km (0.111 R)
• M14: 7,158,857 km (0.051 R)
• M15: 7,901,610 km (0.119 R)
• M16: 8,467,838 km (0.091 R)
• M17: 9,264,596 km (0.11 R)
• M18: 9,930,307 km (0.108 R)
• M19: 10,590,033 km (0.03 R)
• M20: 12,119,821 km (0.086 R)
• M21: 12,618,880 km (0.089 R)
• M22: 17,067,471 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.2

Radius: 15

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.8 AU - 2.7 AU

Year: 2146 Days

Day: 5.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,463,519 km

• M1: 186,549 km (0.07 R)
• M2: 769,382 km (0.091 R)
• M3: 1,470,697 km (0.055 R)
• M4: 2,141,942 km (0.076 R)
• M5: 3,059,276 km (0.116 R)
• M6: 3,644,204 km (0.1 R)
• M7: 4,744,945 km (0.059 R)
• M8: 5,350,966 km (0.089 R)
• M9: 5,839,254 km (0.108 R)
• M10: 6,331,879 km (0.076 R)
• M11: 6,879,108 km (0.111 R)
• M12: 8,189,586 km (0.113 R)
• M13: 9,293,768 km (0.104 R)
• M14: 11,301,820 km (0.103 R)
• M15: 12,308,314 km (0.04 R)
• M16: 13,373,601 km (0.102 R)
• M17: 14,102,890 km (0.114 R)
• M18: 14,588,784 km (0.094 R)
• M19: 16,114,234 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.1

Radius: 13.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.89 AU - 4.19 AU

Year: 5163 Days

Day: 7.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,463,519 km

• M1: 171,738 km (0.034 R)
• M2: 667,207 km (0.088 R)
• M3: 2,103,047 km (0.098 R)
• M4: 2,628,734 km (0.105 R)
• M5: 4,065,621 km (0.104 R)
• M6: 4,502,447 km (0.034 R)
• M7: 5,244,901 km (0.066 R)
• M8: 6,036,872 km (0.065 R)
• M9: 7,933,624 km (0.112 R)
• M10: 8,659,622 km (0.117 R)
• M11: 9,181,719 km (0.099 R)
• M12: 10,422,334 km (0.105 R)
• M13: 11,246,918 km (0.075 R)
• M14: 11,771,856 km (0.064 R)
• M15: 12,768,627 km (0.087 R)
• M16: 14,591,028 km (0.112 R)
• M17: 16,157,468 km (0.084 R)
• M18: 17,137,184 km (0.12 R)
• M19: 19,350,335 km (0.108 R)
• M20: 21,894,845 km (0.107 R)
• M21: 23,094,620 km (0.033 R)
• M22: 25,706,599 km (0.08 R)
• M23: 27,211,553 km (0.089 R)
• M24: 27,985,722 km (0.053 R)
• M25: 29,488,134 km (0.109 R)
• M26: 30,213,534 km (0.105 R)
• M27: 30,950,603 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.6

Radius: 11.5

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.48 AU - 4.66 AU

Year: 5221 Days

Day: 15 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 45,463,519 km

• M1: 143,016 km (0.115 R)
• M2: 1,214,735 km (0.063 R)
• M3: 4,670,745 km (0.055 R)
• M4: 6,479,981 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750

Radius: 12.3

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.55 AU - 5.45 AU

Year: 6069 Days

Day: 11.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 63 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,463,519 km

• M1: 158,275 km (0.084 R)
• M2: 671,545 km (0.109 R)
• M3: 1,466,807 km (0.108 R)
• M4: 2,565,603 km (0.056 R)
• M5: 3,136,319 km (0.088 R)
• M6: 3,721,397 km (0.06 R)
• M7: 4,587,269 km (0.106 R)
• M8: 5,054,164 km (0.096 R)
• M9: 7,395,072 km (0.087 R)
• M10: 7,846,109 km (0.084 R)
• M11: 8,395,433 km (0.049 R)
• M12: 9,527,440 km (0.086 R)
• M13: 12,561,584 km (0.112 R)
• M14: 14,910,569 km (0.11 R)
• M15: 15,816,384 km (0.078 R)
• M16: 17,737,520 km (0.111 R)
• M17: 19,595,526 km (0.065 R)
• M18: 20,830,008 km (0.12 R)
• M19: 21,504,245 km (0.067 R)
• M20: 22,975,241 km (0.08 R)
• M21: 23,776,038 km (0.062 R)
• M22: 24,595,236 km (0.067 R)
• M23: 25,264,088 km (0.054 R)
• M24: 28,152,075 km (0.119 R)
• M25: 29,347,961 km (0.103 R)
• M26: 30,769,589 km (0.091 R)
• M27: 33,240,198 km (0.084 R)
• M28: 34,889,066 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.9

Radius: 15

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.72 AU - 7.38 AU

Year: 9462 Days

Day: 13.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,463,519 km

• M1: 191,485 km (0.108 R)
• M2: 695,481 km (0.034 R)
• M3: 1,191,098 km (0.098 R)
• M4: 1,684,173 km (0.088 R)
• M5: 3,352,937 km (0.096 R)
• M6: 3,887,749 km (0.111 R)
• M7: 5,880,244 km (0.111 R)
• M8: 6,775,736 km (0.103 R)
• M9: 8,309,563 km (0.099 R)
• M10: 10,015,278 km (0.08 R)
• M11: 12,392,538 km (0.038 R)
• M12: 12,968,191 km (0.056 R)
• M13: 17,872,607 km (0.055 R)
• M14: 19,672,270 km (0.114 R)
• M15: 20,298,337 km (0.112 R)
• M16: 23,717,845 km (0.099 R)
• M17: 25,702,859 km (0.117 R)
• M18: 28,287,761 km (0.066 R)
• M19: 29,490,527 km (0.071 R)
• M20: 32,321,069 km (0.084 R)
• M21: 35,904,985 km (0.077 R)
• M22: 36,487,968 km (0.093 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 15,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit