🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.55 AU - 0.61 AU

Year: 169 Days

Day: 20.5 Hours

Environment

Temp: 199 °C

Axial Tilt: 21.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.82 AU - 1 AU

Year: 332 Days

Day: 22.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 26.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.81 AU - 2.35 AU

Year: 1149 Days

Day: 47.9 Hours

Environment

Temp: -92 °C

Axial Tilt: 1.3 °

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: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.09 AU - 2.15 AU

Year: 1182 Days

Day: 26.5 Hours

Environment

Temp: -77 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.59 AU - 3.63 AU

Year: 2626 Days

Day: 13.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.93 AU - 4.58 AU

Year: 2780 Days

Day: 33.2 Hours

Environment

Temp: -126 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,082,778 km

• M1: 1,086,380 km (0.058 R)

Asteroid Belt

Center: 11.15 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 18.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.6

Radius: 7.4

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 17.47 AU - 19.63 AU

Year: 30590 Days

Day: 18 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,082,778 km

• M1: 93,199 km (0.116 R)
• M2: 539,001 km (0.099 R)
• M3: 953,238 km (0.113 R)
• M4: 1,617,901 km (0.113 R)
• M5: 1,911,262 km (0.105 R)
• M6: 3,949,384 km (0.058 R)
• M7: 4,591,009 km (0.097 R)
• M8: 5,183,566 km (0.085 R)
• M9: 5,952,200 km (0.085 R)
• M10: 7,563,369 km (0.113 R)
• M11: 8,604,570 km (0.107 R)
• M12: 9,976,383 km (0.025 R)
• M13: 10,340,803 km (0.12 R)
• M14: 12,298,591 km (0.118 R)
• M15: 13,733,234 km (0.112 R)
• M16: 14,184,571 km (0.081 R)
• M17: 15,517,189 km (0.117 R)
• M18: 16,422,705 km (0.094 R)
• M19: 20,205,586 km (0.099 R)
• M20: 21,284,635 km (0.058 R)
• M21: 22,093,062 km (0.057 R)
• M22: 26,909,815 km (0.051 R)
• M23: 27,497,884 km (0.092 R)
• M24: 29,067,016 km (0.079 R)
• M25: 37,523,484 km (0.075 R)
• M26: 38,109,908 km (0.073 R)
• M27: 42,704,208 km (0.089 R)
• M28: 44,640,753 km (0.089 R)
• M29: 50,979,663 km (0.063 R)
• M30: 52,242,718 km (0.111 R)
• M31: 70,611,093 km (0.077 R)
• M32: 71,056,894 km (0.1 R)
• M33: 74,691,524 km (0.099 R)
• M34: 77,497,531 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 11,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit