🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.44 AU - 0.6 AU

Year: 141 Days

Day: 34.6 Hours

Environment

Temp: 220 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.54 AU - 0.6 AU

Year: 161 Days

Day: 35.1 Hours

Environment

Temp: 148 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.8 AU - 0.94 AU

Year: 304 Days

Day: 36.2 Hours

Environment

Temp: 40 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 47,649,779 km

• M1: 135,835 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.07 AU - 1.45 AU

Year: 530 Days

Day: 24.8 Hours

Environment

Temp: -13 °C

Axial Tilt: 22.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.09 AU - 3.11 AU

Year: 2045 Days

Day: 19.4 Hours

Environment

Temp: -111 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.1

Radius: 9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.29 AU - 7.15 AU

Year: 5813 Days

Day: 10.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,649,779 km

• M1: 114,891 km (0.105 R)
• M2: 609,312 km (0.112 R)
• M3: 1,245,103 km (0.077 R)
• M4: 1,880,595 km (0.097 R)
• M5: 2,272,392 km (0.094 R)
• M6: 2,820,967 km (0.045 R)
• M7: 3,475,308 km (0.107 R)
• M8: 4,181,709 km (0.086 R)
• M9: 4,532,965 km (0.036 R)
• M10: 13,391,104 km (0.08 R)
• M11: 16,171,081 km (0.119 R)
• M12: 16,804,927 km (0.069 R)
• M13: 19,636,366 km (0.081 R)
• M14: 21,992,981 km (0.116 R)
• M15: 26,067,579 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.6

Radius: 12.9

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 9.17 AU - 13.59 AU

Year: 14386 Days

Day: 9.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 47,649,779 km

• M1: 160,519 km (0.106 R)
• M2: 661,522 km (0.098 R)
• M3: 1,074,113 km (0.056 R)
• M4: 1,904,680 km (0.074 R)
• M5: 2,367,536 km (0.11 R)
• M6: 3,779,889 km (0.115 R)
• M7: 5,617,400 km (0.093 R)
• M8: 7,017,038 km (0.055 R)
• M9: 8,688,495 km (0.069 R)
• M10: 11,149,230 km (0.117 R)
• M11: 12,871,401 km (0.034 R)
• M12: 13,345,476 km (0.06 R)
• M13: 15,134,517 km (0.053 R)
• M14: 15,816,235 km (0.06 R)
• M15: 16,997,908 km (0.034 R)
• M16: 18,322,149 km (0.053 R)
• M17: 19,982,835 km (0.082 R)
• M18: 24,416,018 km (0.106 R)
• M19: 26,100,191 km (0.087 R)
• M20: 35,566,295 km (0.074 R)
• M21: 36,501,581 km (0.116 R)
• M22: 41,278,690 km (0.076 R)
• M23: 45,201,745 km (0.092 R)
• M24: 47,253,629 km (0.111 R)
• M25: 47,897,199 km (0.107 R)
• M26: 48,709,964 km (0.048 R)
• M27: 53,258,637 km (0.074 R)
• M28: 56,263,610 km (0.063 R)
• M29: 59,379,733 km (0.112 R)
• M30: 63,580,890 km (0.087 R)
• M31: 66,154,273 km (0.094 R)
• M32: 68,385,525 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 13.2

Radius: 7.8

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 11.09 AU - 13.13 AU

Year: 15792 Days

Day: 24.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,649,779 km

• M1: 97,538 km (0.085 R)
• M2: 423,212 km (0.08 R)
• M3: 808,576 km (0.036 R)
• M4: 1,265,448 km (0.1 R)
• M5: 1,761,964 km (0.068 R)
• M6: 2,025,555 km (0.052 R)
• M7: 4,069,361 km (0.077 R)
• M8: 4,725,647 km (0.073 R)
• M9: 8,163,855 km (0.046 R)
• M10: 8,544,432 km (0.046 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95

Radius: 6.4

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 16.64 AU - 17.66 AU

Year: 26615 Days

Day: 19.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,649,779 km

• M1: 82,877 km (0.098 R)
• M2: 334,501 km (0.074 R)
• M3: 1,026,391 km (0.107 R)
• M4: 1,313,320 km (0.112 R)
• M5: 2,879,759 km (0.106 R)
• M6: 4,131,744 km (0.104 R)
• M7: 10,303,404 km (0.088 R)
• M8: 12,202,399 km (0.045 R)
• M9: 15,571,343 km (0.095 R)
• M10: 22,222,764 km (0.097 R)
• M11: 24,987,632 km (0.094 R)
• M12: 25,736,668 km (0.088 R)
• M13: 34,183,413 km (0.101 R)
• M14: 46,376,836 km (0.096 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: 175 - 18,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit