🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.18 AU - 1.62 AU

Year: 596 Days

Day: 26.5 Hours

Environment

Temp: -9 °C

Axial Tilt: 9.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 104,972,468 km

• M1: 74,500 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.41 AU - 2.17 AU

Year: 862 Days

Day: 20.5 Hours

Environment

Temp: -43 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.85 AU - 2.23 AU

Year: 1049 Days

Day: 39.3 Hours

Environment

Temp: -72 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 104,972,468 km

• M1: 79,287 km (0.031 R)
• M2: 708,645 km (0.058 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.23 AU - 3.67 AU

Year: 1823 Days

Day: 34.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.21 AU - 5.59 AU

Year: 3904 Days

Day: 16.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 104,972,468 km

• M1: 27,526 km (0.061 R)
• M2: 53,556 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.9

Radius: 11.2

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.38 AU - 6.16 AU

Year: 4354 Days

Day: 8.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 104,972,468 km

• M1: 148,251 km (0.11 R)
• M2: 638,035 km (0.113 R)
• M3: 1,007,841 km (0.098 R)
• M4: 2,357,363 km (0.033 R)
• M5: 2,939,299 km (0.064 R)
• M6: 3,657,818 km (0.098 R)
• M7: 4,246,934 km (0.045 R)
• M8: 4,767,983 km (0.118 R)
• M9: 5,387,468 km (0.111 R)
• M10: 6,527,853 km (0.117 R)
• M11: 7,223,483 km (0.095 R)
• M12: 8,264,834 km (0.099 R)
• M13: 10,778,078 km (0.09 R)
• M14: 11,326,653 km (0.12 R)
• M15: 11,893,928 km (0.1 R)
• M16: 14,136,999 km (0.084 R)
• M17: 14,518,174 km (0.115 R)
• M18: 15,301,319 km (0.085 R)
• M19: 16,830,209 km (0.069 R)
• M20: 24,828,160 km (0.065 R)
• M21: 25,224,295 km (0.115 R)
• M22: 26,602,541 km (0.059 R)
• M23: 27,605,295 km (0.111 R)
• M24: 28,719,799 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.4

Radius: 4.3

Gravity: 49.02 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 15.32 AU - 21.28 AU

Year: 28174 Days

Day: 17.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 104,972,468 km

• M1: 53,406 km (0.092 R)
• M2: 193,131 km (0.081 R)
• M3: 329,265 km (0.082 R)
• M4: 559,945 km (0.048 R)
• M5: 750,682 km (0.093 R)
• M6: 1,752,539 km (0.111 R)
• M7: 2,381,449 km (0.066 R)
• M8: 2,559,769 km (0.086 R)
• M9: 3,688,485 km (0.104 R)
• M10: 4,867,466 km (0.113 R)
• M11: 5,282,151 km (0.106 R)
• M12: 7,284,668 km (0.047 R)
• M13: 7,882,312 km (0.054 R)
• M14: 10,199,433 km (0.091 R)
• M15: 11,512,304 km (0.118 R)
• M16: 12,548,868 km (0.086 R)
• M17: 14,301,108 km (0.062 R)
• M18: 15,409,777 km (0.113 R)
• M19: 18,776,627 km (0.103 R)
• M20: 21,492,277 km (0.069 R)
• M21: 23,287,302 km (0.094 R)
• M22: 23,868,041 km (0.104 R)
• M23: 24,339,723 km (0.081 R)
• M24: 25,545,781 km (0.114 R)
• M25: 30,080,392 km (0.109 R)
• M26: 35,427,319 km (0.095 R)
• M27: 36,974,011 km (0.072 R)
• M28: 39,705,818 km (0.102 R)
• M29: 43,787,147 km (0.053 R)
• M30: 53,169,926 km (0.12 R)
• M31: 58,539,741 km (0.113 R)
• M32: 58,753,217 km (0.079 R)
• M33: 61,135,563 km (0.078 R)
• M34: 63,581,489 km (0.094 R)
• M35: 72,286,589 km (0.095 R)
• M36: 75,271,665 km (0.117 R)
• M37: 89,724,614 km (0.117 R)
• M38: 92,300,091 km (0.09 R)
• M39: 94,630,527 km (0.111 R)
• M40: 100,627,307 km (0.105 R)

Kuiper Belt

Range: 30.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 17,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit