🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.67 AU - 0.83 AU

Year: 235 Days

Day: 28.9 Hours

Environment

Temp: 118 °C

Axial Tilt: 11.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.04 AU - 1.42 AU

Year: 493 Days

Day: 23.5 Hours

Environment

Temp: 11 °C

Axial Tilt: 17.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 101,672,951 km

• M1: 297,700 km (0.112 R)
• M2: 708,346 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.79 AU - 2.45 AU

Year: 1116 Days

Day: 44.3 Hours

Environment

Temp: -72 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 101,672,951 km

• M1: 48,619 km (0.106 R)
• M2: 238,758 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.29 AU - 4.83 AU

Year: 2959 Days

Day: 19.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.06 AU - 5.38 AU

Year: 3709 Days

Day: 20.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 13.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.6

Radius: 7.1

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 10.91 AU - 16.89 AU

Year: 18742 Days

Day: 17.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 101,672,951 km

• M1: 93,050 km (0.091 R)
• M2: 390,151 km (0.096 R)
• M3: 1,067,979 km (0.072 R)
• M4: 1,345,782 km (0.09 R)
• M5: 1,912,010 km (0.112 R)
• M6: 2,733,153 km (0.093 R)
• M7: 2,953,960 km (0.075 R)
• M8: 4,758,409 km (0.068 R)
• M9: 6,511,696 km (0.082 R)
• M10: 7,618,720 km (0.119 R)
• M11: 10,519,273 km (0.107 R)
• M12: 12,755,762 km (0.089 R)
• M13: 16,567,216 km (0.091 R)
• M14: 17,007,932 km (0.108 R)
• M15: 18,221,469 km (0.09 R)
• M16: 20,735,013 km (0.056 R)
• M17: 21,419,423 km (0.039 R)
• M18: 25,165,055 km (0.058 R)
• M19: 26,838,456 km (0.077 R)
• M20: 38,719,519 km (0.081 R)
• M21: 39,756,532 km (0.088 R)
• M22: 44,653,169 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.9

Radius: 7.2

Gravity: 15.58 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 13.6 AU - 22.56 AU

Year: 27803 Days

Day: 21.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 101,672,951 km

• M1: 89,609 km (0.102 R)
• M2: 764,894 km (0.114 R)
• M3: 1,070,074 km (0.071 R)
• M4: 1,338,751 km (0.099 R)
• M5: 1,728,903 km (0.113 R)
• M6: 2,405,534 km (0.114 R)
• M7: 2,631,875 km (0.114 R)
• M8: 3,492,213 km (0.074 R)
• M9: 4,126,657 km (0.055 R)
• M10: 4,603,276 km (0.108 R)
• M11: 4,874,946 km (0.105 R)
• M12: 5,843,293 km (0.08 R)
• M13: 6,588,889 km (0.114 R)
• M14: 6,834,379 km (0.092 R)
• M15: 8,043,728 km (0.095 R)
• M16: 12,520,145 km (0.099 R)
• M17: 15,930,528 km (0.099 R)
• M18: 16,553,453 km (0.034 R)
• M19: 19,811,994 km (0.103 R)
• M20: 24,749,621 km (0.112 R)
• M21: 25,948,499 km (0.059 R)
• M22: 31,825,002 km (0.113 R)
• M23: 41,791,362 km (0.077 R)
• M24: 43,833,522 km (0.042 R)
• M25: 44,180,141 km (0.11 R)
• M26: 44,703,733 km (0.096 R)
• M27: 53,257,141 km (0.05 R)
• M28: 53,850,147 km (0.059 R)
• M29: 57,087,146 km (0.087 R)
• M30: 65,289,896 km (0.099 R)
• M31: 70,143,300 km (0.108 R)
• M32: 71,094,294 km (0.064 R)
• M33: 79,784,584 km (0.084 R)
• M34: 83,184,794 km (0.082 R)
• M35: 88,050,315 km (0.058 R)
• M36: 90,552,788 km (0.106 R)
• M37: 99,534,794 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641

Radius: 3.4

Gravity: 55.45 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 15.75 AU - 23.91 AU

Year: 31936 Days

Day: 22.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 101,672,951 km

• M1: 42,336 km (0.039 R)
• M2: 173,833 km (0.099 R)
• M3: 309,368 km (0.089 R)
• M4: 482,453 km (0.107 R)
• M5: 917,783 km (0.1 R)
• M6: 1,278,763 km (0.066 R)
• M7: 3,498,945 km (0.07 R)
• M8: 5,707,458 km (0.067 R)
• M9: 6,449,613 km (0.077 R)
• M10: 8,640,623 km (0.074 R)
• M11: 9,058,600 km (0.057 R)
• M12: 9,489,891 km (0.086 R)
• M13: 14,332,374 km (0.078 R)
• M14: 15,868,295 km (0.094 R)
• M15: 17,136,286 km (0.052 R)
• M16: 21,994,477 km (0.07 R)
• M17: 23,452,608 km (0.115 R)
• M18: 45,008,913 km (0.12 R)
• M19: 46,079,435 km (0.049 R)
• M20: 47,901,238 km (0.114 R)
• M21: 67,197,419 km (0.099 R)
• M22: 84,724,754 km (0.106 R)
• M23: 86,628,686 km (0.066 R)
• M24: 91,087,301 km (0.079 R)

Kuiper Belt

Range: 30.3 - 54.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 17,631 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit