🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.51 AU - 0.67 AU

Year: 165 Days

Day: 29.6 Hours

Environment

Temp: 220 °C

Axial Tilt: 4.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,824,141 km

• M1: 43,533 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.72 AU - 0.8 AU

Year: 241 Days

Day: 14.3 Hours

Environment

Temp: 125 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.9 AU - 1 AU

Year: 337 Days

Day: 38.5 Hours

Environment

Temp: 138 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.11 AU - 1.41 AU

Year: 514 Days

Day: 41.2 Hours

Environment

Temp: -10 °C

Axial Tilt: 21.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.69 AU - 3.29 AU

Year: 1879 Days

Day: 42.2 Hours

Environment

Temp: -99 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,824,141 km

• M1: 145,559 km (0.12 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.96 AU - 3.52 AU

Year: 2120 Days

Day: 21.4 Hours

Environment

Temp: -101 °C

Axial Tilt: 132.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.02 AU - 4.86 AU

Year: 2842 Days

Day: 41.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 76.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.7

Radius: 11.1

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.52 AU - 8.14 AU

Year: 7212 Days

Day: 12.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 33,824,141 km

• M1: 139,126 km (0.104 R)
• M2: 271,221 km (0.081 R)
• M3: 407,505 km (0.025 R)
• M4: 525,986 km (0.12 R)
• M5: 620,831 km (0.096 R)
• M6: 709,244 km (0.114 R)
• M7: 972,835 km (0.11 R)
• M8: 1,124,378 km (0.071 R)
• M9: 1,451,698 km (0.117 R)
• M10: 1,573,470 km (0.033 R)
• M11: 1,808,937 km (0.118 R)
• M12: 1,978,731 km (0.094 R)
• M13: 2,094,969 km (0.116 R)
• M14: 2,193,703 km (0.064 R)
• M15: 2,395,810 km (0.101 R)
• M16: 2,994,201 km (0.083 R)
• M17: 3,402,903 km (0.104 R)
• M18: 3,805,471 km (0.084 R)
• M19: 3,902,260 km (0.061 R)
• M20: 4,148,349 km (0.086 R)
• M21: 4,374,092 km (0.119 R)
• M22: 4,475,819 km (0.079 R)
• M23: 5,102,335 km (0.092 R)
• M24: 5,673,200 km (0.086 R)
• M25: 5,980,474 km (0.057 R)
• M26: 7,173,068 km (0.075 R)
• M27: 7,263,126 km (0.109 R)
• M28: 7,474,957 km (0.081 R)
• M29: 7,966,685 km (0.051 R)
• M30: 8,279,494 km (0.117 R)
• M31: 9,014,020 km (0.118 R)
• M32: 9,209,095 km (0.092 R)
• M33: 9,471,340 km (0.114 R)
• M34: 9,902,781 km (0.055 R)
• M35: 10,579,262 km (0.033 R)
• M36: 10,716,294 km (0.1 R)
• M37: 11,235,548 km (0.035 R)
• M38: 12,047,865 km (0.071 R)
• M39: 12,262,837 km (0.051 R)
• M40: 12,587,763 km (0.11 R)
• M41: 12,660,468 km (0.058 R)
• M42: 13,356,995 km (0.113 R)
• M43: 15,056,128 km (0.09 R)
• M44: 15,715,705 km (0.103 R)
• M45: 16,186,938 km (0.108 R)
• M46: 16,662,809 km (0.035 R)
• M47: 16,782,488 km (0.111 R)
• M48: 17,143,318 km (0.073 R)
• M49: 17,304,584 km (0.105 R)
• M50: 17,913,447 km (0.113 R)
• M51: 18,819,263 km (0.062 R)
• M52: 18,902,439 km (0.112 R)
• M53: 19,445,479 km (0.077 R)
• M54: 20,418,913 km (0.109 R)
• M55: 20,546,968 km (0.118 R)
• M56: 21,321,437 km (0.067 R)
• M57: 21,930,300 km (0.118 R)
• M58: 22,149,162 km (0.032 R)
• M59: 22,456,884 km (0.044 R)
• M60: 22,633,260 km (0.104 R)
• M61: 23,388,281 km (0.079 R)
• M62: 23,746,418 km (0.066 R)
• M63: 24,196,708 km (0.117 R)
• M64: 24,377,571 km (0.076 R)
• M65: 24,513,556 km (0.098 R)
• M66: 25,242,995 km (0.098 R)
• M67: 25,887,014 km (0.083 R)
• M68: 25,979,465 km (0.106 R)
• M69: 26,816,466 km (0.114 R)
• M70: 27,473,649 km (0.118 R)
• M71: 27,662,441 km (0.102 R)
• M72: 28,041,223 km (0.088 R)
• M73: 28,231,213 km (0.036 R)
• M74: 29,235,912 km (0.053 R)
• M75: 29,573,405 km (0.043 R)
• M76: 29,766,835 km (0.081 R)
• M77: 30,301,049 km (0.119 R)
• M78: 30,838,404 km (0.111 R)
• M79: 31,132,813 km (0.071 R)
• M80: 31,625,439 km (0.063 R)
• M81: 32,568,803 km (0.04 R)
• M82: 32,818,631 km (0.064 R)
• M83: 33,824,079 km (0.1 R)

Kuiper Belt

Range: 30.2 - 45.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 19,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit