🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.46 AU - 0.58 AU

Year: 136 Days

Day: 38.9 Hours

Environment

Temp: 252 °C

Axial Tilt: 28 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.41 AU - 0.63 AU

Year: 136 Days

Day: 45.2 Hours

Environment

Temp: 211 °C

Axial Tilt: 10.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,055,634 km

• M1: 132,544 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.59 AU - 0.71 AU

Year: 190 Days

Day: 15.7 Hours

Environment

Temp: 180 °C

Axial Tilt: 63.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,055,634 km

• M1: 216,319 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.6 AU - 0.72 AU

Year: 194 Days

Day: 36.7 Hours

Environment

Temp: 175 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,055,634 km

• M1: 53,556 km (0.11 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.64 AU - 0.78 AU

Year: 216 Days

Day: 33.7 Hours

Environment

Temp: 116 °C

Axial Tilt: 41 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.69 AU - 1.03 AU

Year: 288 Days

Day: 24.7 Hours

Environment

Temp: 146 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 7 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.15 AU - 1.59 AU

Year: 580 Days

Day: 31.1 Hours

Environment

Temp: 8 °C

Axial Tilt: 38.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 32,055,634 km

• M1: 136,284 km (0.104 R)

Planet 8 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.79 AU - 2.41 AU

Year: 1101 Days

Day: 37.1 Hours

Environment

Temp: -69 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,055,634 km

• M1: 1,066,483 km (0.101 R)

Planet 9 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.83 AU - 2.59 AU

Year: 1188 Days

Day: 16.3 Hours

Environment

Temp: -64 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496

Radius: 10.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.65 AU - 7.97 AU

Year: 6427 Days

Day: 14.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 32,055,634 km

• M1: 134,638 km (0.087 R)
• M2: 255,513 km (0.067 R)
• M3: 347,366 km (0.09 R)
• M4: 423,960 km (0.069 R)
• M5: 695,481 km (0.09 R)
• M6: 1,034,768 km (0.105 R)
• M7: 1,184,666 km (0.049 R)
• M8: 1,342,042 km (0.115 R)
• M9: 1,965,566 km (0.096 R)
• M10: 2,115,463 km (0.046 R)
• M11: 2,327,743 km (0.105 R)
• M12: 2,649,229 km (0.072 R)
• M13: 3,423,846 km (0.096 R)
• M14: 3,766,426 km (0.086 R)
• M15: 3,859,625 km (0.111 R)
• M16: 4,024,781 km (0.085 R)
• M17: 4,509,329 km (0.068 R)
• M18: 4,758,559 km (0.084 R)
• M19: 4,961,264 km (0.073 R)
• M20: 5,375,351 km (0.112 R)
• M21: 5,586,583 km (0.063 R)
• M22: 5,720,024 km (0.099 R)
• M23: 6,375,263 km (0.1 R)
• M24: 6,598,912 km (0.053 R)
• M25: 6,853,677 km (0.099 R)
• M26: 7,549,008 km (0.103 R)
• M27: 9,037,507 km (0.064 R)
• M28: 9,352,260 km (0.104 R)
• M29: 9,574,862 km (0.065 R)
• M30: 11,450,819 km (0.108 R)
• M31: 11,860,119 km (0.086 R)
• M32: 12,135,529 km (0.105 R)
• M33: 12,308,763 km (0.073 R)
• M34: 12,657,775 km (0.114 R)
• M35: 12,727,936 km (0.099 R)
• M36: 12,904,013 km (0.064 R)
• M37: 12,974,623 km (0.081 R)
• M38: 13,045,383 km (0.101 R)
• M39: 13,222,806 km (0.089 R)
• M40: 13,868,471 km (0.032 R)
• M41: 14,597,910 km (0.108 R)
• M42: 15,640,009 km (0.09 R)
• M43: 17,364,573 km (0.12 R)
• M44: 17,520,903 km (0.032 R)
• M45: 18,229,548 km (0.07 R)
• M46: 18,547,593 km (0.059 R)
• M47: 18,907,525 km (0.044 R)
• M48: 19,391,026 km (0.042 R)
• M49: 19,878,715 km (0.071 R)
• M50: 20,659,017 km (0.092 R)
• M51: 20,783,183 km (0.114 R)
• M52: 21,240,504 km (0.083 R)
• M53: 21,743,153 km (0.067 R)
• M54: 21,995,824 km (0.056 R)
• M55: 22,292,028 km (0.103 R)
• M56: 22,419,335 km (0.051 R)
• M57: 23,317,521 km (0.115 R)
• M58: 23,662,643 km (0.071 R)
• M59: 23,749,260 km (0.078 R)
• M60: 24,183,693 km (0.101 R)
• M61: 24,576,985 km (0.11 R)
• M62: 25,104,617 km (0.109 R)
• M63: 25,237,161 km (0.111 R)
• M64: 25,325,573 km (0.118 R)
• M65: 25,414,135 km (0.099 R)
• M66: 25,635,989 km (0.099 R)
• M67: 25,769,430 km (0.056 R)
• M68: 25,858,441 km (0.111 R)
• M69: 26,395,048 km (0.068 R)
• M70: 27,161,588 km (0.025 R)
• M71: 27,297,722 km (0.071 R)
• M72: 29,086,613 km (0.116 R)
• M73: 29,551,414 km (0.049 R)
• M74: 29,971,784 km (0.097 R)
• M75: 30,159,380 km (0.09 R)
• M76: 31,055,321 km (0.057 R)
• M77: 31,245,011 km (0.077 R)
• M78: 31,387,578 km (0.086 R)
• M79: 32,055,682 km (0.06 R)

Kuiper Belt

Range: 30.3 - 48.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 18,401 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit