🌌 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: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.46 AU - 0.74 AU

Year: 171 Days

Day: 18.7 Hours

Environment

Temp: 131 °C

Axial Tilt: 18.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.55 AU - 0.69 AU

Year: 180 Days

Day: 47.1 Hours

Environment

Temp: 146 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.98 AU - 1.4 AU

Year: 479 Days

Day: 28 Hours

Environment

Temp: 7 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,419,169 km

• M1: 226,641 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.2 AU - 1.26 AU

Year: 503 Days

Day: 15.4 Hours

Environment

Temp: -15 °C

Axial Tilt: 15.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.13 AU - 1.63 AU

Year: 598 Days

Day: 22 Hours

Environment

Temp: -32 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.93 AU - 2.59 AU

Year: 1254 Days

Day: 13.1 Hours

Environment

Temp: -85 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.48 AU - 2.78 AU

Year: 1574 Days

Day: 30.8 Hours

Environment

Temp: -96 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.23 AU - 3.07 AU

Year: 1592 Days

Day: 31 Hours

Environment

Temp: -91 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.26 AU - 3.5 AU

Year: 1803 Days

Day: 28.9 Hours

Environment

Temp: -93 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,419,169 km

• M1: 2,016,430 km (0.096 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.6

Radius: 14.7

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.16 AU - 9.68 AU

Year: 10667 Days

Day: 11.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 50,419,169 km

• M1: 212,279 km (0.111 R)
• M2: 314,305 km (0.083 R)
• M3: 555,008 km (0.102 R)
• M4: 830,867 km (0.048 R)
• M5: 996,172 km (0.117 R)
• M6: 1,093,411 km (0.1 R)
• M7: 1,494,184 km (0.087 R)
• M8: 1,607,579 km (0.104 R)
• M9: 1,867,729 km (0.113 R)
• M10: 2,702,336 km (0.118 R)
• M11: 2,985,375 km (0.073 R)
• M12: 3,797,692 km (0.108 R)
• M13: 4,083,423 km (0.098 R)
• M14: 4,475,370 km (0.05 R)
• M15: 5,651,957 km (0.063 R)
• M16: 6,052,431 km (0.048 R)
• M17: 6,274,883 km (0.111 R)
• M18: 6,537,876 km (0.11 R)
• M19: 6,842,906 km (0.098 R)
• M20: 8,895,688 km (0.101 R)
• M21: 9,276,564 km (0.11 R)
• M22: 9,967,108 km (0.111 R)
• M23: 10,186,269 km (0.114 R)
• M24: 10,495,787 km (0.075 R)
• M25: 12,512,366 km (0.118 R)
• M26: 12,844,024 km (0.109 R)
• M27: 13,082,783 km (0.093 R)
• M28: 14,895,011 km (0.067 R)
• M29: 15,145,887 km (0.045 R)
• M30: 15,246,566 km (0.096 R)
• M31: 17,150,797 km (0.099 R)
• M32: 19,129,080 km (0.117 R)
• M33: 19,347,343 km (0.04 R)
• M34: 20,897,775 km (0.117 R)
• M35: 21,122,471 km (0.084 R)
• M36: 21,291,517 km (0.084 R)
• M37: 21,461,161 km (0.102 R)
• M38: 21,687,802 km (0.077 R)
• M39: 21,858,493 km (0.082 R)
• M40: 22,258,218 km (0.085 R)
• M41: 23,472,205 km (0.05 R)
• M42: 23,705,877 km (0.061 R)
• M43: 23,999,089 km (0.078 R)
• M44: 24,293,497 km (0.061 R)
• M45: 24,945,295 km (0.112 R)
• M46: 25,423,111 km (0.088 R)
• M47: 25,602,928 km (0.089 R)
• M48: 26,084,932 km (0.069 R)
• M49: 27,364,143 km (0.099 R)
• M50: 28,166,287 km (0.084 R)
• M51: 29,101,423 km (0.105 R)
• M52: 30,938,186 km (0.109 R)
• M53: 32,421,449 km (0.104 R)
• M54: 33,861,927 km (0.083 R)
• M55: 34,989,296 km (0.099 R)
• M56: 35,122,738 km (0.047 R)
• M57: 35,323,348 km (0.068 R)
• M58: 36,331,339 km (0.105 R)
• M59: 36,534,194 km (0.083 R)
• M60: 37,008,718 km (0.061 R)
• M61: 37,280,837 km (0.115 R)
• M62: 37,621,920 km (0.088 R)
• M63: 40,948,677 km (0.102 R)
• M64: 41,795,102 km (0.097 R)
• M65: 43,290,033 km (0.102 R)
• M66: 44,802,468 km (0.119 R)
• M67: 45,601,620 km (0.096 R)
• M68: 45,747,478 km (0.09 R)
• M69: 46,039,493 km (0.094 R)
• M70: 47,213,986 km (0.119 R)
• M71: 47,509,142 km (0.096 R)
• M72: 47,953,149 km (0.092 R)
• M73: 48,845,051 km (0.063 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 12,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit