🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.96 AU - 1.58 AU

Year: 528 Days

Day: 17.7 Hours

Environment

Temp: -11 °C

Axial Tilt: 39.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 74,512,253 km

• M1: 327,769 km (0.062 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.25 AU - 1.41 AU

Year: 566 Days

Day: 27.7 Hours

Environment

Temp: -24 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.5 AU - 1.9 AU

Year: 818 Days

Day: 32.2 Hours

Environment

Temp: -52 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.63 AU - 3.91 AU

Year: 2701 Days

Day: 40.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 12.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.2

Radius: 3.4

Gravity: 81.94 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 10.85 AU - 14.33 AU

Year: 16482 Days

Day: 21 Hours

Environment

Temp: -179 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,512,253 km

• M1: 42,336 km (0.12 R)
• M2: 191,186 km (0.115 R)
• M3: 325,076 km (0.118 R)
• M4: 455,226 km (0.064 R)
• M5: 665,262 km (0.086 R)
• M6: 1,033,572 km (0.048 R)
• M7: 1,234,033 km (0.093 R)
• M8: 1,443,919 km (0.104 R)
• M9: 1,694,645 km (0.106 R)
• M10: 2,392,220 km (0.032 R)
• M11: 3,153,822 km (0.107 R)
• M12: 4,459,812 km (0.106 R)
• M13: 5,026,040 km (0.104 R)
• M14: 7,578,179 km (0.035 R)
• M15: 10,393,013 km (0.092 R)
• M16: 10,634,613 km (0.119 R)
• M17: 12,980,757 km (0.049 R)
• M18: 13,120,332 km (0.056 R)
• M19: 15,808,157 km (0.059 R)
• M20: 16,697,366 km (0.097 R)
• M21: 17,196,126 km (0.045 R)
• M22: 20,682,953 km (0.055 R)
• M23: 21,161,516 km (0.027 R)
• M24: 21,354,946 km (0.078 R)
• M25: 23,149,523 km (0.1 R)
• M26: 28,774,851 km (0.051 R)
• M27: 31,964,727 km (0.12 R)
• M28: 32,991,566 km (0.09 R)
• M29: 35,111,069 km (0.079 R)
• M30: 35,382,140 km (0.036 R)
• M31: 36,619,614 km (0.062 R)
• M32: 42,010,523 km (0.091 R)
• M33: 51,661,381 km (0.085 R)
• M34: 55,423,917 km (0.091 R)
• M35: 56,904,038 km (0.104 R)
• M36: 57,090,886 km (0.095 R)
• M37: 70,132,828 km (0.113 R)
• M38: 71,211,130 km (0.115 R)
• M39: 73,179,838 km (0.057 R)
• M40: 74,289,106 km (0.1 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 17,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit