🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.58 AU - 0.82 AU

Year: 208 Days

Day: 22.2 Hours

Environment

Temp: 179 °C

Axial Tilt: 28.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.9 AU - 1.06 AU

Year: 344 Days

Day: 26.3 Hours

Environment

Temp: 169 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.44 AU - 1.64 AU

Year: 678 Days

Day: 36.2 Hours

Environment

Temp: -19 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.76 AU - 2.48 AU

Year: 1095 Days

Day: 35.5 Hours

Environment

Temp: -61 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.16 AU - 2.46 AU

Year: 1246 Days

Day: 31.3 Hours

Environment

Temp: -71 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,972,137 km

• M1: 39,494 km (0.072 R)
• M2: 347,366 km (0.086 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.17 AU - 2.59 AU

Year: 1303 Days

Day: 19.4 Hours

Environment

Temp: -64 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,972,137 km

• M1: 513,121 km (0.054 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3 AU - 3.46 AU

Year: 2059 Days

Day: 23.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 18.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.2

Radius: 5.8

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 17.62 AU - 18.82 AU

Year: 27591 Days

Day: 23.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,972,137 km

• M1: 76,145 km (0.102 R)
• M2: 688,449 km (0.054 R)
• M3: 2,028,398 km (0.099 R)
• M4: 6,802,963 km (0.113 R)
• M5: 8,730,981 km (0.104 R)
• M6: 11,304,363 km (0.032 R)
• M7: 12,932,437 km (0.112 R)
• M8: 16,179,907 km (0.076 R)
• M9: 19,332,383 km (0.053 R)
• M10: 20,161,006 km (0.068 R)
• M11: 21,888,712 km (0.076 R)
• M12: 22,131,659 km (0.094 R)
• M13: 22,623,088 km (0.056 R)
• M14: 25,546,080 km (0.067 R)
• M15: 28,039,428 km (0.061 R)
• M16: 28,230,315 km (0.119 R)
• M17: 31,404,034 km (0.086 R)
• M18: 33,826,622 km (0.101 R)
• M19: 34,151,548 km (0.063 R)

Kuiper Belt

Range: 30.9 - 47.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 11,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit