🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.62 AU - 0.62 AU

Year: 172 Days

Day: 32.4 Hours

Environment

Temp: 221 °C

Axial Tilt: 52.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.62 AU - 0.92 AU

Year: 237 Days

Day: 28.3 Hours

Environment

Temp: 153 °C

Axial Tilt: 20.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.09 AU - 1.81 AU

Year: 614 Days

Day: 47.8 Hours

Environment

Temp: -13 °C

Axial Tilt: 1.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,462,985 km

• M1: 1,218,475 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.66 AU - 2.64 AU

Year: 1108 Days

Day: 33.5 Hours

Environment

Temp: -61 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.05 AU - 2.33 AU

Year: 1139 Days

Day: 24.1 Hours

Environment

Temp: -65 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.16 AU - 2.94 AU

Year: 1431 Days

Day: 23.8 Hours

Environment

Temp: -77 °C

Axial Tilt: 88.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,462,985 km

• M1: 480,060 km (0.063 R)
• M2: 1,306,588 km (0.091 R)

Asteroid Belt

Center: 4.12 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.8

Radius: 14.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.17 AU - 6.19 AU

Year: 4758 Days

Day: 7.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,462,985 km

• M1: 185,352 km (0.114 R)
• M2: 873,053 km (0.093 R)
• M3: 1,599,351 km (0.081 R)
• M4: 2,619,608 km (0.109 R)
• M5: 3,091,141 km (0.1 R)
• M6: 3,776,299 km (0.089 R)
• M7: 5,453,590 km (0.082 R)
• M8: 6,692,410 km (0.113 R)
• M9: 7,553,496 km (0.114 R)
• M10: 8,910,648 km (0.113 R)
• M11: 10,625,787 km (0.066 R)
• M12: 12,193,722 km (0.066 R)
• M13: 13,102,978 km (0.094 R)
• M14: 13,911,106 km (0.041 R)
• M15: 16,157,617 km (0.079 R)
• M16: 16,755,261 km (0.102 R)
• M17: 17,537,059 km (0.077 R)
• M18: 18,993,694 km (0.106 R)
• M19: 20,529,465 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.6

Radius: 4.9

Gravity: 13.73 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 12.09 AU - 15.41 AU

Year: 17920 Days

Day: 21 Hours

Environment

Temp: -177 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,462,985 km

• M1: 61,036 km (0.091 R)
• M2: 233,223 km (0.077 R)
• M3: 428,747 km (0.085 R)
• M4: 603,478 km (0.045 R)
• M5: 1,011,581 km (0.077 R)
• M6: 1,263,055 km (0.096 R)
• M7: 3,524,376 km (0.113 R)
• M8: 3,738,002 km (0.088 R)
• M9: 5,240,713 km (0.097 R)
• M10: 5,554,868 km (0.118 R)
• M11: 6,068,438 km (0.082 R)
• M12: 7,889,044 km (0.069 R)
• M13: 8,301,784 km (0.08 R)
• M14: 9,270,281 km (0.097 R)
• M15: 10,044,599 km (0.068 R)
• M16: 12,318,637 km (0.112 R)
• M17: 15,974,809 km (0.047 R)
• M18: 17,774,770 km (0.097 R)
• M19: 18,965,868 km (0.095 R)
• M20: 21,067,719 km (0.062 R)
• M21: 21,950,196 km (0.056 R)
• M22: 23,413,114 km (0.053 R)
• M23: 23,600,410 km (0.09 R)
• M24: 25,233,122 km (0.116 R)
• M25: 27,042,508 km (0.056 R)
• M26: 27,664,386 km (0.118 R)
• M27: 28,084,158 km (0.11 R)
• M28: 39,744,564 km (0.101 R)
• M29: 41,773,560 km (0.109 R)
• M30: 43,728,505 km (0.101 R)
• M31: 44,155,158 km (0.099 R)
• M32: 48,121,446 km (0.051 R)
• M33: 49,648,691 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.4

Radius: 3.8

Gravity: 24.75 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 16 AU - 18.52 AU

Year: 25202 Days

Day: 18.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,462,985 km

• M1: 48,769 km (0.078 R)
• M2: 186,698 km (0.069 R)
• M3: 379,829 km (0.073 R)
• M4: 849,866 km (0.064 R)
• M5: 1,532,481 km (0.073 R)
• M6: 1,899,444 km (0.119 R)
• M7: 3,083,063 km (0.103 R)
• M8: 6,818,821 km (0.03 R)
• M9: 10,679,343 km (0.076 R)
• M10: 11,418,057 km (0.054 R)
• M11: 16,740,301 km (0.039 R)
• M12: 17,067,621 km (0.089 R)
• M13: 20,860,226 km (0.04 R)
• M14: 66,852,446 km (0.088 R)
• M15: 68,922,731 km (0.119 R)

Kuiper Belt

Range: 31.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 18,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit