🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.26 AU - 1.64 AU

Year: 644 Days

Day: 38.8 Hours

Environment

Temp: -37 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.29 AU - 1.97 AU

Year: 768 Days

Day: 20.7 Hours

Environment

Temp: -51 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.39 AU - 2.13 AU

Year: 861 Days

Day: 40 Hours

Environment

Temp: -53 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.08 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.4

Radius: 10.1

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.23 AU - 6.57 AU

Year: 5974 Days

Day: 9.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,310,012 km

• M1: 129,701 km (0.073 R)
• M2: 1,241,812 km (0.088 R)
• M3: 2,356,316 km (0.117 R)
• M4: 4,391,296 km (0.043 R)
• M5: 4,738,363 km (0.067 R)
• M6: 5,980,324 km (0.101 R)
• M7: 6,921,295 km (0.047 R)
• M8: 7,636,523 km (0.041 R)
• M9: 8,438,068 km (0.108 R)
• M10: 9,095,102 km (0.103 R)
• M11: 16,039,285 km (0.111 R)
• M12: 18,477,431 km (0.074 R)
• M13: 18,798,618 km (0.032 R)
• M14: 21,788,331 km (0.114 R)
• M15: 25,159,669 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.6

Radius: 3

Gravity: 33.51 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 16.07 AU - 18.23 AU

Year: 26204 Days

Day: 20.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,310,012 km

• M1: 37,250 km (0.099 R)
• M2: 142,716 km (0.097 R)
• M3: 252,820 km (0.074 R)
• M4: 745,147 km (0.106 R)
• M5: 2,120,999 km (0.047 R)
• M6: 2,759,931 km (0.102 R)
• M7: 3,058,528 km (0.101 R)
• M8: 5,060,447 km (0.057 R)
• M9: 7,275,393 km (0.111 R)
• M10: 8,388,401 km (0.09 R)
• M11: 14,192,200 km (0.067 R)
• M12: 14,776,829 km (0.113 R)
• M13: 15,530,054 km (0.026 R)
• M14: 17,942,619 km (0.099 R)
• M15: 19,772,500 km (0.101 R)
• M16: 23,392,918 km (0.058 R)
• M17: 26,326,532 km (0.111 R)
• M18: 28,566,013 km (0.102 R)
• M19: 30,326,480 km (0.059 R)
• M20: 30,446,308 km (0.117 R)
• M21: 33,419,117 km (0.084 R)
• M22: 37,675,775 km (0.095 R)
• M23: 37,953,279 km (0.086 R)
• M24: 41,389,542 km (0.077 R)
• M25: 42,729,789 km (0.097 R)
• M26: 43,182,772 km (0.065 R)
• M27: 53,628,144 km (0.068 R)
• M28: 55,219,865 km (0.081 R)
• M29: 59,805,938 km (0.07 R)
• M30: 61,134,067 km (0.03 R)
• M31: 63,065,226 km (0.117 R)
• M32: 64,243,310 km (0.081 R)
• M33: 67,865,373 km (0.093 R)
• M34: 68,070,622 km (0.051 R)
• M35: 68,688,461 km (0.067 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 18,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit