🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.93 AU - 1.23 AU

Year: 430 Days

Day: 35 Hours

Environment

Temp: -10 °C

Axial Tilt: 15.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.21 AU - 1.71 AU

Year: 675 Days

Day: 45.5 Hours

Environment

Temp: -49 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,015,905 km

• M1: 136,732 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.63 AU - 2.27 AU

Year: 1043 Days

Day: 28.7 Hours

Environment

Temp: -88 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.59 AU - 2.53 AU

Year: 1132 Days

Day: 19.7 Hours

Environment

Temp: -85 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.35 AU - 2.47 AU

Year: 1433 Days

Day: 29.9 Hours

Environment

Temp: -104 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 10.8

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.14 AU - 4.86 AU

Year: 3655 Days

Day: 7.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,015,905 km

• M1: 151,094 km (0.111 R)
• M2: 579,243 km (0.069 R)
• M3: 1,035,367 km (0.117 R)
• M4: 1,640,640 km (0.119 R)
• M5: 2,343,600 km (0.037 R)
• M6: 3,024,271 km (0.065 R)
• M7: 3,542,328 km (0.102 R)
• M8: 4,155,829 km (0.032 R)
• M9: 4,576,797 km (0.062 R)
• M10: 5,005,096 km (0.029 R)
• M11: 5,686,365 km (0.058 R)
• M12: 6,681,041 km (0.108 R)
• M13: 8,795,457 km (0.103 R)
• M14: 9,363,032 km (0.032 R)
• M15: 10,746,812 km (0.118 R)
• M16: 11,176,457 km (0.099 R)
• M17: 12,378,775 km (0.109 R)
• M18: 13,706,755 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.9

Radius: 10.2

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.19 AU - 6.73 AU

Year: 4885 Days

Day: 10.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,015,905 km

• M1: 126,859 km (0.077 R)
• M2: 1,000,211 km (0.078 R)
• M3: 1,509,742 km (0.075 R)
• M4: 1,968,858 km (0.078 R)
• M5: 2,325,499 km (0.069 R)
• M6: 3,309,853 km (0.033 R)
• M7: 3,818,336 km (0.066 R)
• M8: 5,632,958 km (0.089 R)
• M9: 6,141,441 km (0.09 R)
• M10: 6,911,122 km (0.084 R)
• M11: 7,671,977 km (0.117 R)
• M12: 8,798,150 km (0.076 R)
• M13: 9,360,040 km (0.066 R)
• M14: 10,960,587 km (0.086 R)
• M15: 13,247,490 km (0.107 R)
• M16: 13,613,257 km (0.084 R)
• M17: 14,093,615 km (0.045 R)
• M18: 15,429,973 km (0.059 R)
• M19: 16,486,433 km (0.104 R)
• M20: 18,808,342 km (0.117 R)
• M21: 19,137,906 km (0.113 R)
• M22: 20,844,519 km (0.114 R)
• M23: 21,554,809 km (0.076 R)
• M24: 22,281,107 km (0.058 R)
• M25: 23,174,206 km (0.081 R)
• M26: 23,706,027 km (0.113 R)
• M27: 25,031,464 km (0.071 R)
• M28: 29,216,165 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 11,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit