🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.7 AU - 0.9 AU

Year: 249 Days

Day: 23.5 Hours

Environment

Temp: 115 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.66 AU - 1.08 AU

Year: 283 Days

Day: 22.5 Hours

Environment

Temp: 107 °C

Axial Tilt: 47.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 85,736,770 km

• M1: 322,533 km (0.096 R)
• M2: 405,859 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.03 AU - 1.59 AU

Year: 522 Days

Day: 27.8 Hours

Environment

Temp: 28 °C

Axial Tilt: 48 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.44 AU - 2.12 AU

Year: 827 Days

Day: 40.6 Hours

Environment

Temp: -33 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.25 AU - 2.51 AU

Year: 1279 Days

Day: 18.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,736,770 km

• M1: 46,675 km (0.091 R)

Planet 6 - Terrestrial

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.69 AU - 5.49 AU

Year: 3999 Days

Day: 12.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373

Radius: 10.4

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.19 AU - 8.11 AU

Year: 7369 Days

Day: 11 Hours

Environment

Temp: -163 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,736,770 km

• M1: 129,402 km (0.056 R)
• M2: 482,004 km (0.03 R)
• M3: 1,022,801 km (0.096 R)
• M4: 1,412,653 km (0.097 R)
• M5: 3,802,628 km (0.049 R)
• M6: 4,225,093 km (0.111 R)
• M7: 6,206,965 km (0.107 R)
• M8: 6,761,076 km (0.087 R)
• M9: 7,172,021 km (0.047 R)
• M10: 8,427,297 km (0.086 R)
• M11: 9,397,738 km (0.096 R)
• M12: 10,396,304 km (0.113 R)
• M13: 12,912,391 km (0.057 R)
• M14: 16,596,388 km (0.08 R)
• M15: 21,581,288 km (0.064 R)
• M16: 22,173,696 km (0.088 R)
• M17: 23,546,256 km (0.09 R)
• M18: 24,572,348 km (0.089 R)
• M19: 25,136,930 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.7

Radius: 10.2

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.82 AU - 8.38 AU

Year: 8028 Days

Day: 8.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,736,770 km

• M1: 126,859 km (0.048 R)
• M2: 502,798 km (0.084 R)
• M3: 879,037 km (0.103 R)
• M4: 1,295,069 km (0.065 R)
• M5: 2,219,584 km (0.035 R)
• M6: 2,649,229 km (0.11 R)
• M7: 3,283,075 km (0.066 R)
• M8: 6,000,071 km (0.113 R)
• M9: 6,808,049 km (0.07 R)
• M10: 7,720,896 km (0.052 R)
• M11: 9,202,214 km (0.094 R)
• M12: 12,017,047 km (0.04 R)
• M13: 13,200,516 km (0.08 R)
• M14: 15,361,158 km (0.06 R)
• M15: 15,687,880 km (0.104 R)
• M16: 16,984,145 km (0.07 R)
• M17: 19,532,994 km (0.077 R)
• M18: 22,326,585 km (0.099 R)
• M19: 24,183,543 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.3

Radius: 6

Gravity: 26.29 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 13.31 AU - 16.81 AU

Year: 20353 Days

Day: 22.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,736,770 km

• M1: 74,799 km (0.084 R)
• M2: 276,158 km (0.043 R)
• M3: 690,394 km (0.107 R)
• M4: 949,946 km (0.086 R)
• M5: 2,078,513 km (0.096 R)
• M6: 2,726,571 km (0.034 R)
• M7: 3,653,778 km (0.069 R)
• M8: 6,021,913 km (0.079 R)
• M9: 6,743,872 km (0.095 R)
• M10: 7,028,856 km (0.08 R)
• M11: 8,090,552 km (0.091 R)
• M12: 8,632,096 km (0.12 R)
• M13: 10,718,239 km (0.104 R)
• M14: 10,911,369 km (0.113 R)
• M15: 11,371,084 km (0.076 R)
• M16: 12,258,947 km (0.114 R)
• M17: 12,683,955 km (0.098 R)
• M18: 21,596,397 km (0.08 R)
• M19: 26,654,601 km (0.099 R)
• M20: 29,205,544 km (0.113 R)
• M21: 30,475,629 km (0.097 R)
• M22: 30,863,836 km (0.078 R)
• M23: 36,940,950 km (0.096 R)
• M24: 37,826,869 km (0.088 R)
• M25: 38,575,905 km (0.101 R)
• M26: 42,149,200 km (0.098 R)
• M27: 72,365,576 km (0.072 R)
• M28: 73,287,548 km (0.084 R)
• M29: 84,204,153 km (0.066 R)

Kuiper Belt

Range: 31.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 16,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit