🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.65 AU - 0.75 AU

Year: 218 Days

Day: 18.4 Hours

Environment

Temp: 135 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 28,735,961 km

• M1: 239,805 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.61 AU - 0.95 AU

Year: 257 Days

Day: 24.4 Hours

Environment

Temp: 120 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.73 AU - 1.07 AU

Year: 318 Days

Day: 21.4 Hours

Environment

Temp: 46 °C

Axial Tilt: 62.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.72 AU - 1.18 AU

Year: 345 Days

Day: 27.2 Hours

Environment

Temp: 29 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.98 AU - 1.46 AU

Year: 502 Days

Day: 41.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 29.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 28,735,961 km

• M1: 235,766 km (0.108 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.28 AU - 2.02 AU

Year: 790 Days

Day: 35.2 Hours

Environment

Temp: -55 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,735,961 km

• M1: 15,857 km (0.116 R)

Asteroid Belt

Center: 3.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.6

Radius: 9.4

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.44 AU - 6.7 AU

Year: 4900 Days

Day: 10.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,735,961 km

• M1: 116,836 km (0.099 R)
• M2: 465,100 km (0.039 R)
• M3: 786,436 km (0.082 R)
• M4: 1,907,672 km (0.065 R)
• M5: 3,651,534 km (0.088 R)
• M6: 4,071,755 km (0.073 R)
• M7: 5,251,334 km (0.05 R)
• M8: 5,586,134 km (0.105 R)
• M9: 8,049,113 km (0.101 R)
• M10: 8,457,516 km (0.092 R)
• M11: 11,204,581 km (0.117 R)
• M12: 14,280,912 km (0.055 R)
• M13: 14,605,689 km (0.078 R)
• M14: 14,990,754 km (0.118 R)
• M15: 16,362,865 km (0.078 R)
• M16: 18,193,495 km (0.102 R)
• M17: 18,511,390 km (0.117 R)
• M18: 22,547,840 km (0.086 R)
• M19: 23,660,549 km (0.091 R)
• M20: 24,192,220 km (0.063 R)
• M21: 27,301,013 km (0.034 R)
• M22: 28,479,096 km (0.058 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 13,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit