🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.99 AU - 1.03 AU

Year: 371 Days

Day: 40.6 Hours

Environment

Temp: 23 °C

Axial Tilt: 29 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 70,989,199 km

• M1: 17,054 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.84 AU - 1.28 AU

Year: 399 Days

Day: 30.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 10.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.43 AU - 1.87 AU

Year: 774 Days

Day: 24.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.99 AU - 2.79 AU

Year: 1350 Days

Day: 22.6 Hours

Environment

Temp: -73 °C

Axial Tilt: 57.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.26 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.3

Radius: 11.4

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.48 AU - 8.78 AU

Year: 8467 Days

Day: 8.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,989,199 km

• M1: 141,819 km (0.092 R)
• M2: 636,689 km (0.069 R)
• M3: 1,044,343 km (0.093 R)
• M4: 1,428,360 km (0.047 R)
• M5: 2,297,225 km (0.092 R)
• M6: 2,924,638 km (0.062 R)
• M7: 3,575,539 km (0.07 R)
• M8: 3,982,595 km (0.11 R)
• M9: 4,651,746 km (0.072 R)
• M10: 5,222,761 km (0.116 R)
• M11: 6,150,716 km (0.098 R)
• M12: 7,011,203 km (0.115 R)
• M13: 7,987,629 km (0.097 R)
• M14: 8,410,691 km (0.093 R)
• M15: 8,767,782 km (0.106 R)
• M16: 9,555,265 km (0.099 R)
• M17: 12,202,250 km (0.112 R)
• M18: 14,611,523 km (0.074 R)
• M19: 17,005,239 km (0.115 R)
• M20: 18,560,907 km (0.045 R)
• M21: 19,100,058 km (0.118 R)
• M22: 22,480,670 km (0.115 R)
• M23: 25,161,763 km (0.053 R)
• M24: 25,989,189 km (0.091 R)
• M25: 26,579,203 km (0.097 R)
• M26: 27,006,156 km (0.113 R)
• M27: 28,225,677 km (0.12 R)
• M28: 30,962,271 km (0.103 R)
• M29: 31,912,517 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.8

Radius: 6.7

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 11.37 AU - 17.33 AU

Year: 19855 Days

Day: 21.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,989,199 km

• M1: 84,822 km (0.111 R)
• M2: 391,049 km (0.069 R)
• M3: 840,291 km (0.112 R)
• M4: 1,279,062 km (0.119 R)
• M5: 1,795,922 km (0.047 R)
• M6: 4,133,389 km (0.114 R)
• M7: 4,426,003 km (0.065 R)
• M8: 5,954,444 km (0.11 R)
• M9: 6,290,291 km (0.094 R)
• M10: 7,587,454 km (0.034 R)
• M11: 8,253,165 km (0.06 R)
• M12: 8,623,719 km (0.077 R)
• M13: 11,196,653 km (0.114 R)
• M14: 11,479,093 km (0.094 R)
• M15: 13,784,397 km (0.069 R)
• M16: 17,641,927 km (0.088 R)
• M17: 24,641,462 km (0.101 R)
• M18: 29,172,632 km (0.057 R)
• M19: 33,523,686 km (0.073 R)
• M20: 34,229,339 km (0.112 R)
• M21: 38,930,003 km (0.096 R)
• M22: 41,839,084 km (0.115 R)
• M23: 42,931,896 km (0.078 R)
• M24: 46,469,437 km (0.115 R)
• M25: 47,789,040 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.5

Radius: 5.5

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 13.87 AU - 20.13 AU

Year: 25601 Days

Day: 17.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,989,199 km

• M1: 68,366 km (0.07 R)
• M2: 322,383 km (0.1 R)
• M3: 1,203,365 km (0.026 R)
• M4: 3,295,192 km (0.117 R)
• M5: 4,992,231 km (0.093 R)
• M6: 5,589,874 km (0.081 R)
• M7: 5,987,056 km (0.103 R)
• M8: 7,717,156 km (0.085 R)
• M9: 8,827,471 km (0.107 R)
• M10: 9,531,628 km (0.113 R)
• M11: 9,755,576 km (0.101 R)
• M12: 10,626,834 km (0.072 R)
• M13: 11,173,914 km (0.077 R)
• M14: 11,360,462 km (0.065 R)
• M15: 21,398,779 km (0.116 R)
• M16: 23,366,589 km (0.084 R)
• M17: 25,237,759 km (0.104 R)
• M18: 31,447,417 km (0.116 R)
• M19: 32,320,171 km (0.101 R)
• M20: 34,375,347 km (0.101 R)
• M21: 39,458,682 km (0.1 R)
• M22: 43,315,914 km (0.108 R)
• M23: 46,609,161 km (0.108 R)
• M24: 59,539,803 km (0.115 R)
• M25: 62,033,450 km (0.108 R)
• M26: 63,602,133 km (0.061 R)
• M27: 69,300,615 km (0.041 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 16,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit