🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.3 AU - 1.34 AU

Year: 541 Days

Day: 35.7 Hours

Environment

Temp: 8 °C

Axial Tilt: 35 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.64 AU - 3.38 AU

Year: 1861 Days

Day: 27.7 Hours

Environment

Temp: -105 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.38 AU - 3.86 AU

Year: 1964 Days

Day: 34.8 Hours

Environment

Temp: -92 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.98 AU - 4.08 AU

Year: 2884 Days

Day: 43.1 Hours

Environment

Temp: -113 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.4

Radius: 14.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.05 AU - 7.39 AU

Year: 5529 Days

Day: 13.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 104,711,081 km

• M1: 180,415 km (0.098 R)
• M2: 639,980 km (0.116 R)
• M3: 1,150,557 km (0.031 R)
• M4: 2,014,186 km (0.114 R)
• M5: 3,160,554 km (0.076 R)
• M6: 7,117,418 km (0.093 R)
• M7: 8,749,531 km (0.042 R)
• M8: 10,574,026 km (0.069 R)
• M9: 18,799,366 km (0.103 R)
• M10: 23,168,521 km (0.087 R)
• M11: 28,700,800 km (0.11 R)
• M12: 29,505,338 km (0.11 R)
• M13: 31,630,076 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359

Radius: 9.8

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.77 AU - 12.77 AU

Year: 11731 Days

Day: 5.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 104,711,081 km

• M1: 123,717 km (0.037 R)
• M2: 464,801 km (0.069 R)
• M3: 799,750 km (0.063 R)
• M4: 1,222,364 km (0.052 R)
• M5: 1,539,661 km (0.063 R)
• M6: 2,155,257 km (0.08 R)
• M7: 2,548,998 km (0.05 R)
• M8: 3,553,847 km (0.101 R)
• M9: 4,404,012 km (0.068 R)
• M10: 5,320,897 km (0.037 R)
• M11: 5,642,383 km (0.101 R)
• M12: 8,143,958 km (0.08 R)
• M13: 8,703,455 km (0.097 R)
• M14: 10,141,389 km (0.117 R)
• M15: 11,839,475 km (0.047 R)
• M16: 12,898,927 km (0.113 R)
• M17: 19,463,281 km (0.115 R)
• M18: 21,336,396 km (0.119 R)
• M19: 21,904,569 km (0.109 R)
• M20: 23,669,824 km (0.044 R)
• M21: 32,317,329 km (0.115 R)
• M22: 36,410,925 km (0.08 R)
• M23: 37,222,493 km (0.083 R)
• M24: 37,927,698 km (0.078 R)
• M25: 38,402,671 km (0.115 R)
• M26: 39,974,047 km (0.059 R)
• M27: 41,966,242 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.4

Radius: 8.7

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 9.29 AU - 13.17 AU

Year: 13414 Days

Day: 12.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 104,711,081 km

• M1: 108,309 km (0.113 R)
• M2: 476,469 km (0.092 R)
• M3: 808,576 km (0.114 R)
• M4: 1,296,864 km (0.077 R)
• M5: 1,737,430 km (0.104 R)
• M6: 2,592,082 km (0.12 R)
• M7: 3,703,146 km (0.072 R)
• M8: 6,333,076 km (0.03 R)
• M9: 6,761,076 km (0.098 R)
• M10: 7,138,212 km (0.11 R)
• M11: 7,822,772 km (0.117 R)
• M12: 10,051,631 km (0.045 R)
• M13: 11,004,419 km (0.039 R)
• M14: 11,868,197 km (0.093 R)
• M15: 17,892,953 km (0.1 R)
• M16: 20,330,351 km (0.074 R)
• M17: 21,849,966 km (0.094 R)
• M18: 22,372,960 km (0.051 R)
• M19: 22,827,887 km (0.116 R)
• M20: 27,203,774 km (0.051 R)
• M21: 30,320,347 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.2

Radius: 5.8

Gravity: 12.61 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 17.67 AU - 21.39 AU

Year: 30764 Days

Day: 17.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 104,711,081 km

• M1: 72,256 km (0.091 R)
• M2: 575,653 km (0.098 R)
• M3: 930,349 km (0.113 R)
• M4: 1,421,329 km (0.107 R)
• M5: 3,870,396 km (0.032 R)
• M6: 4,271,019 km (0.06 R)
• M7: 5,723,764 km (0.057 R)
• M8: 7,478,098 km (0.062 R)
• M9: 14,204,767 km (0.117 R)
• M10: 20,060,027 km (0.101 R)
• M11: 26,510,987 km (0.034 R)
• M12: 28,193,065 km (0.061 R)
• M13: 38,579,496 km (0.103 R)
• M14: 43,787,895 km (0.045 R)
• M15: 46,645,364 km (0.066 R)
• M16: 60,332,821 km (0.046 R)
• M17: 64,928,917 km (0.074 R)
• M18: 67,971,887 km (0.051 R)
• M19: 71,564,629 km (0.082 R)
• M20: 80,847,776 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.1

Radius: 6.3

Gravity: 16.63 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 17.99 AU - 22.85 AU

Year: 32891 Days

Day: 15.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 104,711,081 km

• M1: 80,932 km (0.057 R)
• M2: 773,571 km (0.098 R)
• M3: 1,318,556 km (0.118 R)
• M4: 1,561,203 km (0.095 R)
• M5: 1,875,209 km (0.036 R)
• M6: 3,703,445 km (0.115 R)
• M7: 5,000,907 km (0.086 R)
• M8: 6,142,937 km (0.084 R)
• M9: 7,080,766 km (0.062 R)
• M10: 7,941,702 km (0.11 R)
• M11: 8,167,445 km (0.101 R)
• M12: 9,613,010 km (0.085 R)
• M13: 10,130,618 km (0.054 R)
• M14: 13,314,958 km (0.12 R)
• M15: 17,109,508 km (0.105 R)
• M16: 20,918,719 km (0.082 R)
• M17: 22,007,792 km (0.111 R)
• M18: 24,894,731 km (0.098 R)
• M19: 27,378,804 km (0.11 R)
• M20: 27,635,963 km (0.077 R)
• M21: 27,894,767 km (0.102 R)
• M22: 36,275,838 km (0.088 R)
• M23: 37,212,022 km (0.101 R)
• M24: 39,132,260 km (0.115 R)
• M25: 39,458,682 km (0.093 R)
• M26: 41,624,411 km (0.038 R)
• M27: 50,307,221 km (0.09 R)
• M28: 51,666,317 km (0.113 R)
• M29: 55,068,921 km (0.113 R)
• M30: 56,304,599 km (0.082 R)
• M31: 67,095,991 km (0.048 R)
• M32: 68,505,203 km (0.102 R)
• M33: 71,625,965 km (0.111 R)
• M34: 78,407,834 km (0.1 R)
• M35: 85,605,138 km (0.098 R)

Kuiper Belt

Range: 30.8 - 46.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 18,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit