🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.45 AU - 0.57 AU

Year: 161 Days

Day: 36.9 Hours

Environment

Temp: 25 °C

Axial Tilt: 7.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.56 AU - 0.76 AU

Year: 237 Days

Day: 18.1 Hours

Environment

Temp: -11 °C

Axial Tilt: 35.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 47,540,812 km

• M1: 47,871 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.54 AU - 0.84 AU

Year: 254 Days

Day: 36.7 Hours

Environment

Temp: -20 °C

Axial Tilt: 42.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 47,540,812 km

• M1: 224,397 km (0.116 R)
• M2: 304,432 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.02 AU - 1.12 AU

Year: 490 Days

Day: 37.8 Hours

Environment

Temp: -63 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.19 AU - 1.73 AU

Year: 781 Days

Day: 42.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.17 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369

Radius: 9.1

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.74 AU - 3.02 AU

Year: 2165 Days

Day: 10.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,540,812 km

• M1: 113,246 km (0.116 R)
• M2: 425,905 km (0.101 R)
• M3: 825,481 km (0.116 R)
• M4: 1,515,576 km (0.081 R)
• M5: 2,018,374 km (0.086 R)
• M6: 2,536,581 km (0.105 R)
• M7: 3,036,538 km (0.064 R)
• M8: 3,453,467 km (0.055 R)
• M9: 3,943,699 km (0.062 R)
• M10: 4,233,620 km (0.094 R)
• M11: 5,539,310 km (0.057 R)
• M12: 6,382,294 km (0.104 R)
• M13: 6,681,490 km (0.077 R)
• M14: 7,945,293 km (0.083 R)
• M15: 8,739,657 km (0.026 R)
• M16: 9,683,470 km (0.093 R)
• M17: 13,729,345 km (0.108 R)
• M18: 14,019,564 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.1

Radius: 9.9

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.94 AU - 4.2 AU

Year: 2988 Days

Day: 7.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,540,812 km

• M1: 123,418 km (0.112 R)
• M2: 449,691 km (0.117 R)
• M3: 1,137,991 km (0.117 R)
• M4: 1,784,254 km (0.061 R)
• M5: 2,291,091 km (0.086 R)
• M6: 2,746,168 km (0.073 R)
• M7: 3,102,361 km (0.119 R)
• M8: 3,502,535 km (0.038 R)
• M9: 5,013,473 km (0.07 R)
• M10: 5,548,735 km (0.069 R)
• M11: 6,102,696 km (0.109 R)
• M12: 6,632,272 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.3

Radius: 9.9

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.66 AU - 6.12 AU

Year: 5543 Days

Day: 14.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,540,812 km

• M1: 123,269 km (0.106 R)
• M2: 466,895 km (0.069 R)
• M3: 1,136,944 km (0.025 R)
• M4: 1,951,055 km (0.077 R)
• M5: 2,467,467 km (0.101 R)
• M6: 3,155,468 km (0.075 R)
• M7: 4,064,425 km (0.045 R)
• M8: 4,420,916 km (0.105 R)
• M9: 6,292,386 km (0.092 R)
• M10: 7,310,848 km (0.053 R)
• M11: 7,840,275 km (0.034 R)
• M12: 8,476,515 km (0.099 R)
• M13: 10,498,180 km (0.099 R)
• M14: 11,520,233 km (0.055 R)
• M15: 12,290,063 km (0.078 R)
• M16: 13,093,853 km (0.072 R)
• M17: 14,104,087 km (0.074 R)
• M18: 15,286,658 km (0.056 R)
• M19: 16,726,987 km (0.114 R)
• M20: 18,808,491 km (0.081 R)
• M21: 20,020,533 km (0.102 R)
• M22: 20,460,501 km (0.119 R)
• M23: 25,222,201 km (0.079 R)
• M24: 27,317,618 km (0.039 R)
• M25: 27,949,969 km (0.053 R)
• M26: 31,456,094 km (0.038 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.1

Radius: 8.5

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.83 AU - 7.79 AU

Year: 8754 Days

Day: 14.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,540,812 km

• M1: 105,766 km (0.052 R)
• M2: 468,391 km (0.061 R)
• M3: 1,361,041 km (0.094 R)
• M4: 1,645,577 km (0.04 R)
• M5: 2,156,902 km (0.08 R)
• M6: 2,667,629 km (0.105 R)
• M7: 3,850,948 km (0.072 R)
• M8: 5,030,528 km (0.083 R)
• M9: 5,384,476 km (0.086 R)
• M10: 5,929,012 km (0.078 R)
• M11: 6,435,102 km (0.066 R)
• M12: 6,775,437 km (0.113 R)
• M13: 7,088,097 km (0.103 R)
• M14: 10,198,835 km (0.068 R)
• M15: 10,767,008 km (0.072 R)
• M16: 12,251,318 km (0.119 R)
• M17: 14,955,150 km (0.073 R)
• M18: 17,299,348 km (0.047 R)
• M19: 24,301,576 km (0.102 R)
• M20: 26,259,961 km (0.034 R)
• M21: 27,425,030 km (0.035 R)
• M22: 28,220,741 km (0.048 R)
• M23: 28,725,783 km (0.083 R)
• M24: 42,204,551 km (0.116 R)
• M25: 43,801,359 km (0.068 R)
• M26: 47,398,589 km (0.038 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 18,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit