🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.72 AU - 0.74 AU

Year: 218 Days

Day: 34.6 Hours

Environment

Temp: 183 °C

Axial Tilt: 26 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.85 AU - 1.29 AU

Year: 387 Days

Day: 36.3 Hours

Environment

Temp: 149 °C

Axial Tilt: 27 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 38,657,466 km

• M1: 58,343 km (0.048 R)
• M2: 279,299 km (0.051 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.93 AU - 1.33 AU

Year: 420 Days

Day: 25.3 Hours

Environment

Temp: 29 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.1 AU - 1.74 AU

Year: 592 Days

Day: 21.9 Hours

Environment

Temp: 14 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.37 AU - 1.49 AU

Year: 598 Days

Day: 35.7 Hours

Environment

Temp: 4 °C

Axial Tilt: 3.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 6.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.2

Radius: 13.6

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.93 AU - 12.25 AU

Year: 12056 Days

Day: 7.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 38,657,466 km

• M1: 213,476 km (0.114 R)
• M2: 312,211 km (0.108 R)
• M3: 465,549 km (0.063 R)
• M4: 692,937 km (0.087 R)
• M5: 806,931 km (0.075 R)
• M6: 1,191,098 km (0.118 R)
• M7: 1,611,767 km (0.091 R)
• M8: 2,014,934 km (0.066 R)
• M9: 2,250,401 km (0.099 R)
• M10: 2,866,894 km (0.092 R)
• M11: 2,962,636 km (0.058 R)
• M12: 3,767,772 km (0.092 R)
• M13: 4,086,715 km (0.111 R)
• M14: 4,779,502 km (0.088 R)
• M15: 4,893,795 km (0.066 R)
• M16: 5,067,029 km (0.074 R)
• M17: 5,389,862 km (0.041 R)
• M18: 6,086,838 km (0.082 R)
• M19: 6,716,047 km (0.119 R)
• M20: 7,698,755 km (0.084 R)
• M21: 7,900,712 km (0.073 R)
• M22: 8,241,347 km (0.08 R)
• M23: 8,447,941 km (0.111 R)
• M24: 8,552,061 km (0.059 R)
• M25: 8,691,337 km (0.119 R)
• M26: 8,866,516 km (0.047 R)
• M27: 10,089,180 km (0.109 R)
• M28: 10,310,435 km (0.072 R)
• M29: 10,720,183 km (0.11 R)
• M30: 11,135,467 km (0.091 R)
• M31: 13,128,859 km (0.075 R)
• M32: 13,940,427 km (0.058 R)
• M33: 14,104,686 km (0.109 R)
• M34: 14,352,270 km (0.059 R)
• M35: 14,518,174 km (0.053 R)
• M36: 15,272,596 km (0.099 R)
• M37: 15,612,034 km (0.118 R)
• M38: 15,697,155 km (0.039 R)
• M39: 15,868,145 km (0.075 R)
• M40: 16,906,803 km (0.086 R)
• M41: 17,038,300 km (0.114 R)
• M42: 17,169,946 km (0.102 R)
• M43: 17,878,292 km (0.095 R)
• M44: 17,967,602 km (0.111 R)
• M45: 18,281,009 km (0.037 R)
• M46: 18,506,005 km (0.055 R)
• M47: 18,686,569 km (0.075 R)
• M48: 18,867,882 km (0.094 R)
• M49: 19,460,888 km (0.049 R)
• M50: 20,245,828 km (0.095 R)
• M51: 20,431,928 km (0.118 R)
• M52: 20,525,277 km (0.047 R)
• M53: 21,040,941 km (0.036 R)
• M54: 21,751,231 km (0.062 R)
• M55: 21,846,525 km (0.086 R)
• M56: 21,989,690 km (0.067 R)
• M57: 22,565,492 km (0.106 R)
• M58: 24,026,914 km (0.105 R)
• M59: 24,322,968 km (0.062 R)
• M60: 24,968,333 km (0.113 R)
• M61: 25,068,115 km (0.052 R)
• M62: 25,569,118 km (0.105 R)
• M63: 25,921,721 km (0.099 R)
• M64: 27,143,038 km (0.06 R)
• M65: 27,245,662 km (0.045 R)
• M66: 27,864,249 km (0.096 R)
• M67: 28,748,372 km (0.093 R)
• M68: 28,957,660 km (0.119 R)
• M69: 29,272,713 km (0.115 R)
• M70: 29,800,195 km (0.104 R)
• M71: 30,597,402 km (0.053 R)
• M72: 31,887,684 km (0.098 R)
• M73: 32,212,909 km (0.08 R)
• M74: 32,375,971 km (0.092 R)
• M75: 32,593,935 km (0.103 R)
• M76: 32,702,992 km (0.12 R)
• M77: 33,305,273 km (0.08 R)
• M78: 34,409,754 km (0.065 R)
• M79: 34,520,905 km (0.064 R)
• M80: 35,134,107 km (0.045 R)
• M81: 35,414,005 km (0.097 R)
• M82: 35,863,546 km (0.107 R)
• M83: 36,711,317 km (0.058 R)
• M84: 38,542,096 km (0.113 R)
• M85: 38,657,436 km (0.12 R)

Kuiper Belt

Range: 31.4 - 59.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 13,883 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit