🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.74 AU - 0.76 AU

Year: 228 Days

Day: 38.7 Hours

Environment

Temp: 178 °C

Axial Tilt: 26 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.19 AU - 1.43 AU

Year: 527 Days

Day: 27.4 Hours

Environment

Temp: 15 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 49,540,532 km

• M1: 523,742 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.6

Radius: 9.4

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.44 AU - 12.22 AU

Year: 10832 Days

Day: 7.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,540,532 km

• M1: 116,986 km (0.112 R)
• M2: 475,422 km (0.1 R)
• M3: 1,011,730 km (0.113 R)
• M4: 2,430,666 km (0.115 R)
• M5: 2,917,458 km (0.099 R)
• M6: 4,528,477 km (0.045 R)
• M7: 5,067,478 km (0.097 R)
• M8: 6,010,842 km (0.098 R)
• M9: 7,150,030 km (0.079 R)
• M10: 8,949,393 km (0.113 R)
• M11: 10,058,512 km (0.052 R)
• M12: 15,351,584 km (0.059 R)
• M13: 19,513,696 km (0.116 R)
• M14: 20,682,205 km (0.083 R)
• M15: 22,341,844 km (0.109 R)
• M16: 23,158,199 km (0.083 R)
• M17: 23,527,257 km (0.118 R)
• M18: 24,277,341 km (0.091 R)
• M19: 27,644,041 km (0.115 R)
• M20: 28,690,628 km (0.026 R)
• M21: 29,223,645 km (0.06 R)
• M22: 32,677,411 km (0.109 R)
• M23: 37,905,408 km (0.038 R)
• M24: 38,289,725 km (0.083 R)
• M25: 43,946,319 km (0.109 R)
• M26: 51,220,965 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.6

Radius: 13.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.96 AU - 10.76 AU

Year: 11720 Days

Day: 11.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,540,532 km

• M1: 171,290 km (0.063 R)
• M2: 640,728 km (0.047 R)
• M3: 1,880,894 km (0.099 R)
• M4: 2,590,886 km (0.099 R)
• M5: 3,167,137 km (0.076 R)
• M6: 4,041,087 km (0.102 R)
• M7: 4,609,559 km (0.054 R)
• M8: 5,361,887 km (0.092 R)
• M9: 6,913,815 km (0.069 R)
• M10: 8,118,377 km (0.116 R)
• M11: 9,313,365 km (0.053 R)
• M12: 10,207,212 km (0.076 R)
• M13: 11,654,273 km (0.115 R)
• M14: 12,692,482 km (0.102 R)
• M15: 17,469,740 km (0.045 R)
• M16: 19,297,377 km (0.118 R)
• M17: 20,014,550 km (0.104 R)
• M18: 23,599,064 km (0.075 R)
• M19: 25,070,658 km (0.086 R)
• M20: 26,505,003 km (0.064 R)
• M21: 30,063,786 km (0.101 R)
• M22: 31,245,011 km (0.077 R)
• M23: 33,929,545 km (0.087 R)
• M24: 39,625,933 km (0.115 R)
• M25: 43,170,954 km (0.106 R)
• M26: 44,536,034 km (0.065 R)
• M27: 47,065,285 km (0.118 R)
• M28: 48,950,518 km (0.098 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 19,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit