🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.43 AU - 0.67 AU

Year: 148 Days

Day: 15.7 Hours

Environment

Temp: 171 °C

Axial Tilt: 32 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.8 AU - 0.84 AU

Year: 270 Days

Day: 45 Hours

Environment

Temp: 123 °C

Axial Tilt: 5.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.21 AU - 1.41 AU

Year: 545 Days

Day: 24.3 Hours

Environment

Temp: -18 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 40,579,671 km

• M1: 775,366 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.76 AU - 2.42 AU

Year: 1098 Days

Day: 40.1 Hours

Environment

Temp: -68 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,579,671 km

• M1: 40,990 km (0.043 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.36 AU - 2.44 AU

Year: 1351 Days

Day: 45.7 Hours

Environment

Temp: -77 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.3 AU - 3.34 AU

Year: 1721 Days

Day: 25.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.74 AU - 5 AU

Year: 3320 Days

Day: 29.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 15.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.9

Radius: 6.7

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 12.15 AU - 18.33 AU

Year: 21623 Days

Day: 21.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,579,671 km

• M1: 85,720 km (0.109 R)
• M2: 304,132 km (0.072 R)
• M3: 678,875 km (0.053 R)
• M4: 953,387 km (0.108 R)
• M5: 1,410,259 km (0.049 R)
• M6: 1,660,985 km (0.097 R)
• M7: 2,394,314 km (0.094 R)
• M8: 2,894,868 km (0.108 R)
• M9: 3,280,681 km (0.072 R)
• M10: 5,876,504 km (0.035 R)
• M11: 6,931,767 km (0.12 R)
• M12: 8,190,783 km (0.078 R)
• M13: 11,567,805 km (0.078 R)
• M14: 12,317,739 km (0.053 R)
• M15: 18,643,335 km (0.108 R)
• M16: 21,684,511 km (0.086 R)
• M17: 22,740,073 km (0.05 R)
• M18: 24,085,706 km (0.101 R)
• M19: 25,841,237 km (0.086 R)
• M20: 28,535,943 km (0.12 R)
• M21: 37,272,309 km (0.082 R)

Kuiper Belt

Range: 30.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 12,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit