🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.47 AU - 0.57 AU

Year: 159 Days

Day: 19.9 Hours

Environment

Temp: 107 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.62 AU - 0.84 AU

Year: 265 Days

Day: 33.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 107 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 101,791,805 km

• M1: 213,177 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.11 AU - 1.61 AU

Year: 673 Days

Day: 20.1 Hours

Environment

Temp: -89 °C

Axial Tilt: 116.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.92 AU - 2.6 AU

Year: 1443 Days

Day: 43.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.3

Radius: 11.8

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.74 AU - 3.44 AU

Year: 2306 Days

Day: 8.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 101,791,805 km

• M1: 146,756 km (0.12 R)
• M2: 693,237 km (0.108 R)
• M3: 1,349,223 km (0.059 R)
• M4: 1,896,452 km (0.082 R)
• M5: 2,295,879 km (0.068 R)
• M6: 2,736,893 km (0.116 R)
• M7: 4,497,361 km (0.099 R)
• M8: 5,705,364 km (0.09 R)
• M9: 7,089,293 km (0.067 R)
• M10: 7,566,660 km (0.077 R)
• M11: 9,302,893 km (0.072 R)
• M12: 10,320,757 km (0.048 R)
• M13: 11,818,830 km (0.093 R)
• M14: 14,284,203 km (0.033 R)
• M15: 18,597,558 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.5

Radius: 9

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.61 AU - 5.47 AU

Year: 4804 Days

Day: 12.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 101,791,805 km

• M1: 111,899 km (0.096 R)
• M2: 606,619 km (0.04 R)
• M3: 915,539 km (0.101 R)
• M4: 1,209,050 km (0.107 R)
• M5: 4,924,912 km (0.112 R)
• M6: 9,737,625 km (0.084 R)
• M7: 11,558,231 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.9

Radius: 3.1

Gravity: 69.08 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 9 AU - 13.58 AU

Year: 16107 Days

Day: 19.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 101,791,805 km

• M1: 39,195 km (0.117 R)
• M2: 145,559 km (0.101 R)
• M3: 862,581 km (0.114 R)
• M4: 1,378,544 km (0.086 R)
• M5: 2,055,325 km (0.083 R)
• M6: 2,667,180 km (0.089 R)
• M7: 4,365,864 km (0.056 R)
• M8: 6,255,884 km (0.07 R)
• M9: 6,715,748 km (0.037 R)
• M10: 12,102,318 km (0.103 R)
• M11: 12,946,649 km (0.113 R)
• M12: 15,117,164 km (0.034 R)
• M13: 22,961,628 km (0.107 R)
• M14: 23,551,043 km (0.102 R)
• M15: 25,483,997 km (0.114 R)
• M16: 27,520,174 km (0.117 R)
• M17: 27,630,128 km (0.047 R)
• M18: 38,924,618 km (0.057 R)
• M19: 39,202,272 km (0.099 R)
• M20: 39,621,445 km (0.117 R)
• M21: 46,739,611 km (0.118 R)
• M22: 56,419,939 km (0.102 R)
• M23: 58,213,468 km (0.099 R)
• M24: 64,401,435 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.1

Radius: 4.3

Gravity: 47.87 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 14.66 AU - 17.38 AU

Year: 27225 Days

Day: 18.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 101,791,805 km

• M1: 53,406 km (0.111 R)
• M2: 646,861 km (0.057 R)
• M3: 1,357,002 km (0.111 R)
• M4: 1,946,717 km (0.111 R)
• M5: 2,310,838 km (0.051 R)
• M6: 3,294,295 km (0.11 R)
• M7: 4,490,778 km (0.077 R)
• M8: 4,721,458 km (0.07 R)
• M9: 6,371,373 km (0.037 R)
• M10: 7,116,820 km (0.068 R)
• M11: 7,430,676 km (0.105 R)
• M12: 8,427,895 km (0.109 R)
• M13: 9,324,435 km (0.069 R)
• M14: 9,573,815 km (0.112 R)
• M15: 9,956,337 km (0.106 R)
• M16: 13,549,229 km (0.098 R)
• M17: 18,209,053 km (0.061 R)
• M18: 22,138,989 km (0.108 R)
• M19: 31,482,124 km (0.037 R)
• M20: 32,326,305 km (0.107 R)
• M21: 32,468,572 km (0.1 R)
• M22: 34,800,354 km (0.1 R)
• M23: 36,775,345 km (0.083 R)
• M24: 37,085,611 km (0.09 R)
• M25: 38,344,477 km (0.104 R)
• M26: 40,780,978 km (0.112 R)
• M27: 59,710,345 km (0.066 R)
• M28: 62,754,362 km (0.113 R)
• M29: 63,197,471 km (0.118 R)
• M30: 66,357,875 km (0.082 R)
• M31: 71,534,411 km (0.045 R)
• M32: 72,991,494 km (0.061 R)
• M33: 79,017,894 km (0.092 R)
• M34: 96,102,271 km (0.083 R)
• M35: 100,273,358 km (0.101 R)
• M36: 100,575,845 km (0.117 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 16,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit