🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.58 AU - 0.76 AU

Year: 195 Days

Day: 35.6 Hours

Environment

Temp: 177 °C

Axial Tilt: 24 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.37 AU - 1.39 AU

Year: 578 Days

Day: 40.8 Hours

Environment

Temp: -7 °C

Axial Tilt: 7.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.3 AU - 1.9 AU

Year: 721 Days

Day: 38.9 Hours

Environment

Temp: -26 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.26 AU - 2.76 AU

Year: 1417 Days

Day: 41.4 Hours

Environment

Temp: -80 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,078,686 km

• M1: 1,925,325 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.14 AU - 3.26 AU

Year: 2040 Days

Day: 24.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 46.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.27 AU - 5.25 AU

Year: 3134 Days

Day: 19.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.5

Radius: 10.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.89 AU - 10.57 AU

Year: 9194 Days

Day: 11.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,078,686 km

• M1: 157,078 km (0.115 R)
• M2: 743,202 km (0.096 R)
• M3: 1,200,224 km (0.116 R)
• M4: 1,707,061 km (0.12 R)
• M5: 2,414,061 km (0.12 R)
• M6: 2,767,710 km (0.088 R)
• M7: 3,786,621 km (0.113 R)
• M8: 4,290,168 km (0.083 R)
• M9: 5,788,690 km (0.065 R)
• M10: 7,211,814 km (0.083 R)
• M11: 9,665,668 km (0.072 R)
• M12: 10,315,372 km (0.089 R)
• M13: 14,009,691 km (0.108 R)
• M14: 14,421,833 km (0.073 R)
• M15: 15,597,224 km (0.087 R)
• M16: 25,443,456 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.4

Radius: 13.3

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 8.78 AU - 13.86 AU

Year: 13576 Days

Day: 10.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 88.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,078,686 km

• M1: 166,951 km (0.11 R)
• M2: 635,342 km (0.098 R)
• M3: 1,791,435 km (0.116 R)
• M4: 5,671,554 km (0.036 R)
• M5: 8,744,295 km (0.114 R)
• M6: 10,636,708 km (0.114 R)
• M7: 11,560,175 km (0.113 R)
• M8: 15,504,772 km (0.067 R)
• M9: 16,997,908 km (0.106 R)
• M10: 23,648,132 km (0.094 R)
• M11: 24,721,198 km (0.08 R)
• M12: 25,521,846 km (0.117 R)
• M13: 33,646,356 km (0.062 R)
• M14: 34,754,129 km (0.065 R)
• M15: 38,489,139 km (0.047 R)
• M16: 41,076,583 km (0.098 R)
• M17: 43,488,101 km (0.117 R)
• M18: 45,842,622 km (0.053 R)
• M19: 50,324,724 km (0.098 R)
• M20: 56,113,264 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.1

Radius: 6.8

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 18.01 AU - 22.69 AU

Year: 32722 Days

Day: 15.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,078,686 km

• M1: 84,672 km (0.112 R)
• M2: 337,642 km (0.062 R)
• M3: 627,264 km (0.106 R)
• M4: 886,517 km (0.078 R)
• M5: 1,460,674 km (0.103 R)
• M6: 2,393,267 km (0.09 R)
• M7: 5,083,784 km (0.067 R)
• M8: 5,597,803 km (0.035 R)
• M9: 6,683,135 km (0.089 R)
• M10: 7,547,063 km (0.095 R)
• M11: 8,811,763 km (0.068 R)
• M12: 9,848,776 km (0.104 R)
• M13: 10,458,836 km (0.102 R)
• M14: 10,836,870 km (0.088 R)
• M15: 11,620,015 km (0.029 R)
• M16: 13,593,659 km (0.105 R)
• M17: 15,293,241 km (0.087 R)
• M18: 16,785,479 km (0.117 R)
• M19: 18,738,031 km (0.063 R)
• M20: 20,346,806 km (0.062 R)
• M21: 23,087,888 km (0.096 R)
• M22: 23,513,793 km (0.092 R)
• M23: 25,722,755 km (0.117 R)
• M24: 27,112,520 km (0.075 R)
• M25: 28,308,255 km (0.107 R)
• M26: 28,796,244 km (0.108 R)
• M27: 34,957,881 km (0.098 R)
• M28: 41,943,353 km (0.094 R)
• M29: 48,576,074 km (0.113 R)
• M30: 50,515,611 km (0.118 R)
• M31: 52,322,902 km (0.036 R)
• M32: 52,873,423 km (0.041 R)
• M33: 60,991,501 km (0.105 R)
• M34: 76,771,982 km (0.03 R)
• M35: 77,245,309 km (0.12 R)
• M36: 82,086,745 km (0.083 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 14,989 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit