🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.43 AU - 0.67 AU

Year: 143 Days

Day: 33.2 Hours

Environment

Temp: 242 °C

Axial Tilt: 14.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,472,789 km

• M1: 406,906 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.27 AU - 2.05 AU

Year: 748 Days

Day: 26 Hours

Environment

Temp: -38 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.95 AU - 3.11 AU

Year: 1408 Days

Day: 43 Hours

Environment

Temp: -73 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,472,789 km

• M1: 1,303,297 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.01 AU - 4.11 AU

Year: 2862 Days

Day: 47.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.74 AU - 5.86 AU

Year: 3679 Days

Day: 45.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.8

Radius: 10.7

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 6.46 AU - 8.02 AU

Year: 6815 Days

Day: 8.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,472,789 km

• M1: 133,142 km (0.101 R)
• M2: 495,169 km (0.1 R)
• M3: 1,124,677 km (0.119 R)
• M4: 1,593,816 km (0.084 R)
• M5: 1,996,234 km (0.083 R)
• M6: 2,765,317 km (0.054 R)
• M7: 4,238,856 km (0.096 R)
• M8: 5,160,827 km (0.103 R)
• M9: 6,602,801 km (0.083 R)
• M10: 7,471,217 km (0.098 R)
• M11: 7,876,777 km (0.116 R)
• M12: 8,219,505 km (0.045 R)
• M13: 8,572,257 km (0.088 R)
• M14: 9,307,980 km (0.095 R)
• M15: 9,778,016 km (0.088 R)
• M16: 10,129,870 km (0.083 R)
• M17: 11,769,463 km (0.107 R)
• M18: 12,218,256 km (0.115 R)
• M19: 12,575,197 km (0.079 R)
• M20: 13,150,102 km (0.109 R)
• M21: 13,907,216 km (0.066 R)
• M22: 18,869,378 km (0.079 R)
• M23: 19,832,339 km (0.111 R)
• M24: 20,827,764 km (0.06 R)
• M25: 23,540,272 km (0.109 R)
• M26: 25,226,839 km (0.117 R)
• M27: 26,735,383 km (0.097 R)
• M28: 28,392,180 km (0.09 R)
• M29: 29,200,308 km (0.061 R)
• M30: 29,839,539 km (0.079 R)
• M31: 31,525,956 km (0.097 R)
• M32: 32,295,488 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294

Radius: 3.1

Gravity: 30.59 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 15.46 AU - 25.12 AU

Year: 31974 Days

Day: 19.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 78,472,789 km

• M1: 45,179 km (0.106 R)
• M2: 473,477 km (0.107 R)
• M3: 611,257 km (0.109 R)
• M4: 744,399 km (0.109 R)
• M5: 885,171 km (0.059 R)
• M6: 1,234,930 km (0.086 R)
• M7: 1,481,767 km (0.112 R)
• M8: 1,741,918 km (0.097 R)
• M9: 2,681,691 km (0.107 R)
• M10: 2,806,306 km (0.063 R)
• M11: 3,203,638 km (0.103 R)
• M12: 3,401,407 km (0.076 R)
• M13: 3,637,323 km (0.109 R)
• M14: 4,241,249 km (0.073 R)
• M15: 4,376,486 km (0.062 R)
• M16: 4,727,143 km (0.098 R)
• M17: 5,483,959 km (0.077 R)
• M18: 6,811,490 km (0.101 R)
• M19: 7,138,362 km (0.102 R)
• M20: 7,475,555 km (0.118 R)
• M21: 7,673,024 km (0.069 R)
• M22: 8,129,896 km (0.054 R)
• M23: 8,604,720 km (0.105 R)
• M24: 9,725,657 km (0.054 R)
• M25: 10,200,032 km (0.106 R)
• M26: 11,915,022 km (0.077 R)
• M27: 12,116,680 km (0.114 R)
• M28: 13,665,765 km (0.106 R)
• M29: 14,717,439 km (0.049 R)
• M30: 15,660,803 km (0.066 R)
• M31: 16,065,465 km (0.074 R)
• M32: 19,557,528 km (0.116 R)
• M33: 22,282,004 km (0.077 R)
• M34: 26,941,529 km (0.086 R)
• M35: 40,196,948 km (0.103 R)
• M36: 43,284,648 km (0.099 R)
• M37: 43,920,588 km (0.117 R)
• M38: 44,886,243 km (0.105 R)
• M39: 45,048,556 km (0.103 R)
• M40: 67,711,736 km (0.115 R)
• M41: 69,866,694 km (0.084 R)
• M42: 72,289,581 km (0.059 R)
• M43: 72,959,929 km (0.108 R)
• M44: 75,912,841 km (0.069 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 16,085 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit