🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.87 AU - 1.33 AU

Year: 413 Days

Day: 26.3 Hours

Environment

Temp: 35 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.03 AU - 1.67 AU

Year: 562 Days

Day: 13.7 Hours

Environment

Temp: 5 °C

Axial Tilt: 44.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.09 AU - 3.33 AU

Year: 1598 Days

Day: 27.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.63 AU - 3.27 AU

Year: 1815 Days

Day: 32.2 Hours

Environment

Temp: -101 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.85 AU - 3.49 AU

Year: 2021 Days

Day: 20.6 Hours

Environment

Temp: -96 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.5

Radius: 9

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.78 AU - 10.86 AU

Year: 9382 Days

Day: 8.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,015,318 km

• M1: 123,867 km (0.11 R)
• M2: 464,501 km (0.09 R)
• M3: 747,840 km (0.093 R)
• M4: 1,235,080 km (0.104 R)
• M5: 2,552,738 km (0.116 R)
• M6: 4,063,228 km (0.12 R)
• M7: 8,910,947 km (0.098 R)
• M8: 13,253,175 km (0.045 R)
• M9: 15,823,266 km (0.036 R)
• M10: 21,858,792 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.7

Radius: 3.7

Gravity: 70.18 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 13 AU - 15.48 AU

Year: 19246 Days

Day: 21.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,015,318 km

• M1: 46,076 km (0.077 R)
• M2: 349,012 km (0.102 R)
• M3: 475,572 km (0.087 R)
• M4: 740,061 km (0.103 R)
• M5: 1,029,383 km (0.093 R)
• M6: 2,197,742 km (0.033 R)
• M7: 4,047,520 km (0.067 R)
• M8: 4,527,131 km (0.054 R)
• M9: 16,234,361 km (0.111 R)
• M10: 17,877,993 km (0.113 R)
• M11: 20,891,193 km (0.116 R)
• M12: 25,562,985 km (0.085 R)
• M13: 30,756,724 km (0.034 R)
• M14: 31,143,285 km (0.04 R)
• M15: 37,336,936 km (0.039 R)
• M16: 40,181,240 km (0.06 R)
• M17: 41,420,958 km (0.117 R)
• M18: 44,960,892 km (0.108 R)
• M19: 65,075,523 km (0.057 R)
• M20: 69,179,142 km (0.102 R)
• M21: 70,509,964 km (0.115 R)
• M22: 78,375,372 km (0.074 R)

Kuiper Belt

Range: 30.6 - 51.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 14,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit