🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.63 AU - 0.83 AU

Year: 218 Days

Day: 39.5 Hours

Environment

Temp: 159 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,414,863 km

• M1: 285,134 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.86 AU - 0.96 AU

Year: 304 Days

Day: 34.2 Hours

Environment

Temp: 96 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.9 AU - 0.92 AU

Year: 304 Days

Day: 22.7 Hours

Environment

Temp: 150 °C

Axial Tilt: 7.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.46 AU - 1.54 AU

Year: 643 Days

Day: 39.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 1.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,414,863 km

• M1: 697,575 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.54 AU - 1.78 AU

Year: 748 Days

Day: 25.4 Hours

Environment

Temp: -31 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,414,863 km

• M1: 56,548 km (0.045 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.23 AU - 5.45 AU

Year: 3725 Days

Day: 29.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.2

Radius: 12.9

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.61 AU - 9.17 AU

Year: 7753 Days

Day: 8.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,414,863 km

• M1: 160,519 km (0.098 R)
• M2: 662,120 km (0.062 R)
• M3: 1,115,851 km (0.051 R)
• M4: 1,742,366 km (0.116 R)
• M5: 2,471,357 km (0.077 R)
• M6: 3,119,265 km (0.039 R)
• M7: 3,689,083 km (0.072 R)
• M8: 4,432,286 km (0.106 R)
• M9: 6,184,675 km (0.045 R)
• M10: 6,766,162 km (0.07 R)
• M11: 7,960,103 km (0.102 R)
• M12: 8,774,663 km (0.089 R)
• M13: 11,403,397 km (0.051 R)
• M14: 12,332,699 km (0.045 R)
• M15: 13,592,911 km (0.034 R)
• M16: 14,578,163 km (0.08 R)
• M17: 15,548,455 km (0.071 R)
• M18: 17,416,334 km (0.084 R)
• M19: 18,439,134 km (0.086 R)
• M20: 19,142,992 km (0.062 R)
• M21: 19,864,652 km (0.039 R)
• M22: 20,455,115 km (0.12 R)
• M23: 22,934,401 km (0.078 R)
• M24: 25,348,761 km (0.069 R)
• M25: 25,955,979 km (0.104 R)
• M26: 26,929,861 km (0.109 R)
• M27: 27,471,255 km (0.064 R)
• M28: 28,111,983 km (0.103 R)
• M29: 30,775,424 km (0.087 R)
• M30: 31,466,715 km (0.101 R)
• M31: 32,472,163 km (0.062 R)
• M32: 35,509,299 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.1

Radius: 8.2

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.64 AU - 11.18 AU

Year: 10914 Days

Day: 6.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,414,863 km

• M1: 102,026 km (0.093 R)
• M2: 425,756 km (0.06 R)
• M3: 722,109 km (0.062 R)
• M4: 1,194,689 km (0.085 R)
• M5: 1,501,514 km (0.058 R)
• M6: 2,096,913 km (0.093 R)
• M7: 2,862,705 km (0.088 R)
• M8: 3,297,885 km (0.079 R)
• M9: 4,535,658 km (0.083 R)
• M10: 5,095,603 km (0.092 R)
• M11: 5,494,131 km (0.098 R)
• M12: 6,815,380 km (0.103 R)
• M13: 10,540,666 km (0.109 R)
• M14: 11,133,373 km (0.04 R)
• M15: 11,410,129 km (0.048 R)
• M16: 12,326,565 km (0.076 R)
• M17: 14,435,596 km (0.069 R)
• M18: 15,302,067 km (0.096 R)
• M19: 17,285,436 km (0.062 R)
• M20: 25,286,977 km (0.088 R)
• M21: 27,741,579 km (0.067 R)
• M22: 30,029,229 km (0.044 R)
• M23: 33,005,180 km (0.078 R)
• M24: 33,692,283 km (0.045 R)
• M25: 36,051,441 km (0.093 R)
• M26: 37,271,262 km (0.108 R)
• M27: 44,894,321 km (0.096 R)
• M28: 48,184,577 km (0.113 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 10,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit