🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.79 AU - 1.01 AU

Year: 297 Days

Day: 17.6 Hours

Environment

Temp: 137 °C

Axial Tilt: 13.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,689,164 km

• M1: 79,586 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.74 AU - 1.24 AU

Year: 343 Days

Day: 34.6 Hours

Environment

Temp: 162 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.15 AU - 1.43 AU

Year: 510 Days

Day: 26 Hours

Environment

Temp: 27 °C

Axial Tilt: 96.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.76 AU - 2.86 AU

Year: 1223 Days

Day: 21.3 Hours

Environment

Temp: -58 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.84 AU - 3.66 AU

Year: 2040 Days

Day: 18.5 Hours

Environment

Temp: -85 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.94 AU - 4.08 AU

Year: 2796 Days

Day: 25.7 Hours

Environment

Temp: -109 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.58 AU - 6.64 AU

Year: 4627 Days

Day: 25.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,689,164 km

• M1: 1,444,218 km (0.064 R)

Asteroid Belt

Center: 5.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.8

Radius: 10.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.22 AU - 7.1 AU

Year: 5324 Days

Day: 8.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,689,164 km

• M1: 131,497 km (0.081 R)
• M2: 479,461 km (0.097 R)
• M3: 1,282,203 km (0.102 R)
• M4: 2,292,438 km (0.11 R)
• M5: 3,056,584 km (0.094 R)
• M6: 3,478,150 km (0.074 R)
• M7: 4,275,058 km (0.076 R)
• M8: 5,512,382 km (0.072 R)
• M9: 6,877,912 km (0.082 R)
• M10: 8,238,056 km (0.103 R)
• M11: 11,527,862 km (0.105 R)
• M12: 14,101,394 km (0.116 R)
• M13: 14,786,702 km (0.112 R)
• M14: 15,997,099 km (0.101 R)
• M15: 18,739,527 km (0.048 R)
• M16: 19,827,851 km (0.096 R)
• M17: 20,487,428 km (0.106 R)
• M18: 21,025,532 km (0.096 R)
• M19: 25,909,304 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.4

Radius: 7.6

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 16.94 AU - 23.06 AU

Year: 31149 Days

Day: 16.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 84,689,164 km

• M1: 95,593 km (0.107 R)
• M2: 336,745 km (0.114 R)
• M3: 1,834,668 km (0.063 R)
• M4: 2,424,533 km (0.078 R)
• M5: 2,998,540 km (0.073 R)
• M6: 3,274,847 km (0.117 R)
• M7: 4,310,363 km (0.098 R)
• M8: 4,810,020 km (0.036 R)
• M9: 5,308,032 km (0.11 R)
• M10: 5,797,815 km (0.058 R)
• M11: 6,361,949 km (0.088 R)
• M12: 6,726,967 km (0.103 R)
• M13: 9,391,605 km (0.11 R)
• M14: 11,852,490 km (0.118 R)
• M15: 15,760,884 km (0.075 R)
• M16: 16,943,754 km (0.065 R)
• M17: 21,449,193 km (0.091 R)
• M18: 22,063,292 km (0.083 R)
• M19: 22,899,993 km (0.104 R)
• M20: 29,736,766 km (0.069 R)
• M21: 30,886,425 km (0.098 R)
• M22: 31,276,277 km (0.106 R)
• M23: 32,198,548 km (0.116 R)
• M24: 34,374,300 km (0.062 R)
• M25: 35,925,779 km (0.098 R)
• M26: 36,212,857 km (0.092 R)
• M27: 51,498,020 km (0.075 R)
• M28: 58,731,675 km (0.087 R)
• M29: 66,613,837 km (0.111 R)
• M30: 69,909,927 km (0.11 R)
• M31: 74,238,991 km (0.046 R)
• M32: 81,185,717 km (0.098 R)

Kuiper Belt

Range: 31.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 10,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit