🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.94 AU - 1.18 AU

Year: 387 Days

Day: 19.4 Hours

Environment

Temp: 36 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 21,507,827 km

• M1: 321,336 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.99 AU - 1.39 AU

Year: 461 Days

Day: 18.9 Hours

Environment

Temp: 15 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.02 AU - 1.48 AU

Year: 496 Days

Day: 18.4 Hours

Environment

Temp: 22 °C

Axial Tilt: 23.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.25 AU - 1.31 AU

Year: 514 Days

Day: 29 Hours

Environment

Temp: 22 °C

Axial Tilt: 34.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.28 AU - 1.54 AU

Year: 594 Days

Day: 34.5 Hours

Environment

Temp: -17 °C

Axial Tilt: 43.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.6 AU - 1.88 AU

Year: 814 Days

Day: 47.3 Hours

Environment

Temp: -36 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.27 AU - 2.51 AU

Year: 1311 Days

Day: 40.2 Hours

Environment

Temp: -74 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,507,827 km

• M1: 818,600 km (0.096 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.66 AU - 3.68 AU

Year: 2494 Days

Day: 35.7 Hours

Environment

Temp: -111 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.4

Radius: 11.4

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.25 AU - 9.33 AU

Year: 9245 Days

Day: 8 Hours

Environment

Temp: -167 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 21,507,827 km

• M1: 142,417 km (0.066 R)
• M2: 236,514 km (0.115 R)
• M3: 409,898 km (0.119 R)
• M4: 495,917 km (0.101 R)
• M5: 598,242 km (0.118 R)
• M6: 709,094 km (0.107 R)
• M7: 900,130 km (0.088 R)
• M8: 1,120,189 km (0.117 R)
• M9: 1,273,078 km (0.102 R)
• M10: 1,432,998 km (0.09 R)
• M11: 1,534,874 km (0.077 R)
• M12: 1,814,473 km (0.076 R)
• M13: 1,995,785 km (0.09 R)
• M14: 2,154,060 km (0.104 R)
• M15: 2,622,600 km (0.107 R)
• M16: 2,909,230 km (0.028 R)
• M17: 3,273,501 km (0.075 R)
• M18: 3,426,838 km (0.097 R)
• M19: 3,582,570 km (0.114 R)
• M20: 4,155,380 km (0.076 R)
• M21: 4,358,983 km (0.11 R)
• M22: 4,737,615 km (0.118 R)
• M23: 5,186,259 km (0.034 R)
• M24: 5,405,719 km (0.107 R)
• M25: 5,648,666 km (0.109 R)
• M26: 6,124,387 km (0.086 R)
• M27: 6,335,320 km (0.096 R)
• M28: 6,894,816 km (0.036 R)
• M29: 7,741,241 km (0.071 R)
• M30: 8,107,307 km (0.119 R)
• M31: 8,596,642 km (0.094 R)
• M32: 8,785,584 km (0.101 R)
• M33: 8,856,792 km (0.095 R)
• M34: 9,119,486 km (0.09 R)
• M35: 9,433,343 km (0.054 R)
• M36: 9,579,500 km (0.111 R)
• M37: 9,701,721 km (0.105 R)
• M38: 9,898,592 km (0.085 R)
• M39: 10,421,436 km (0.067 R)
• M40: 10,749,654 km (0.1 R)
• M41: 11,081,163 km (0.057 R)
• M42: 11,338,621 km (0.071 R)
• M43: 11,676,114 km (0.064 R)
• M44: 11,806,862 km (0.115 R)
• M45: 11,911,880 km (0.074 R)
• M46: 12,175,472 km (0.057 R)
• M47: 12,281,536 km (0.098 R)
• M48: 13,495,374 km (0.115 R)
• M49: 13,825,536 km (0.114 R)
• M50: 14,102,741 km (0.119 R)
• M51: 14,297,966 km (0.084 R)
• M52: 14,550,039 km (0.052 R)
• M53: 14,860,304 km (0.085 R)
• M54: 14,945,426 km (0.107 R)
• M55: 15,804,267 km (0.085 R)
• M56: 16,065,016 km (0.109 R)
• M57: 16,473,568 km (0.111 R)
• M58: 16,590,853 km (0.076 R)
• M59: 16,679,115 km (0.091 R)
• M60: 17,241,304 km (0.111 R)
• M61: 17,629,660 km (0.114 R)
• M62: 18,262,908 km (0.1 R)
• M63: 18,597,708 km (0.111 R)
• M64: 19,118,907 km (0.05 R)
• M65: 19,458,793 km (0.074 R)
• M66: 19,894,273 km (0.084 R)
• M67: 20,270,212 km (0.027 R)
• M68: 21,124,416 km (0.095 R)
• M69: 21,347,766 km (0.078 R)

Kuiper Belt

Range: 30.9 - 49.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 14,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit