🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.27 AU - 1.35 AU

Year: 562 Days

Day: 28.1 Hours

Environment

Temp: -29 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,730,267 km

• M1: 32,014 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.29 AU - 2.15 AU

Year: 845 Days

Day: 14.1 Hours

Environment

Temp: -52 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,730,267 km

• M1: 100,081 km (0.057 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.58 AU - 2.32 AU

Year: 1020 Days

Day: 32.3 Hours

Environment

Temp: -75 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,730,267 km

• M1: 29,022 km (0.092 R)
• M2: 1,277,715 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.78 AU - 3.24 AU

Year: 1957 Days

Day: 42 Hours

Environment

Temp: -115 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.99 AU - 3.35 AU

Year: 2115 Days

Day: 28.3 Hours

Environment

Temp: -117 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,730,267 km

• M1: 972,087 km (0.066 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.17 AU - 3.33 AU

Year: 2196 Days

Day: 15.1 Hours

Environment

Temp: -109 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.3 AU - 3.9 AU

Year: 2560 Days

Day: 44.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.87 AU - 4.17 AU

Year: 3020 Days

Day: 30.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.2

Radius: 13

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 9.27 AU - 11.49 AU

Year: 12532 Days

Day: 12.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,730,267 km

• M1: 161,715 km (0.106 R)
• M2: 596,896 km (0.076 R)
• M3: 1,112,709 km (0.032 R)
• M4: 1,556,566 km (0.046 R)
• M5: 2,759,183 km (0.086 R)
• M6: 4,368,407 km (0.103 R)
• M7: 6,461,730 km (0.12 R)
• M8: 7,892,784 km (0.049 R)
• M9: 9,109,014 km (0.101 R)
• M10: 9,619,741 km (0.102 R)
• M11: 14,112,914 km (0.114 R)
• M12: 19,006,559 km (0.111 R)
• M13: 19,611,982 km (0.049 R)
• M14: 20,386,749 km (0.06 R)
• M15: 21,262,495 km (0.06 R)
• M16: 22,246,400 km (0.116 R)
• M17: 24,040,827 km (0.062 R)
• M18: 26,769,043 km (0.118 R)
• M19: 28,207,875 km (0.108 R)
• M20: 31,239,177 km (0.106 R)
• M21: 36,299,325 km (0.101 R)
• M22: 38,300,047 km (0.078 R)
• M23: 39,878,753 km (0.063 R)
• M24: 41,627,104 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279

Radius: 4.5

Gravity: 13.78 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 11.69 AU - 13.81 AU

Year: 17061 Days

Day: 19.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,730,267 km

• M1: 56,398 km (0.117 R)
• M2: 486,193 km (0.041 R)
• M3: 722,109 km (0.074 R)
• M4: 1,670,260 km (0.118 R)
• M5: 1,860,549 km (0.044 R)
• M6: 2,047,696 km (0.05 R)
• M7: 4,198,464 km (0.06 R)
• M8: 4,581,884 km (0.111 R)
• M9: 5,625,179 km (0.052 R)
• M10: 6,857,417 km (0.066 R)
• M11: 7,515,049 km (0.069 R)
• M12: 8,907,656 km (0.075 R)
• M13: 9,943,172 km (0.072 R)
• M14: 12,908,800 km (0.047 R)
• M15: 13,092,357 km (0.093 R)
• M16: 13,402,324 km (0.106 R)
• M17: 14,558,566 km (0.06 R)
• M18: 14,824,251 km (0.082 R)
• M19: 17,140,924 km (0.088 R)
• M20: 23,371,227 km (0.075 R)
• M21: 25,326,022 km (0.105 R)
• M22: 25,710,488 km (0.098 R)
• M23: 26,886,777 km (0.036 R)
• M24: 29,557,697 km (0.099 R)
• M25: 32,063,312 km (0.109 R)
• M26: 37,616,684 km (0.045 R)
• M27: 40,162,241 km (0.066 R)
• M28: 41,344,364 km (0.071 R)
• M29: 42,414,437 km (0.1 R)
• M30: 43,365,730 km (0.073 R)
• M31: 46,305,029 km (0.109 R)
• M32: 48,042,758 km (0.061 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 556 - 16,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit