🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.75 AU - 0.77 AU

Year: 279 Days

Day: 39.5 Hours

Environment

Temp: 10 °C

Axial Tilt: 49.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 49,800,595 km

• M1: 97,687 km (0.057 R)
• M2: 174,282 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.68 AU - 0.88 AU

Year: 291 Days

Day: 47.6 Hours

Environment

Temp: -13 °C

Axial Tilt: 0 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 49,800,595 km

• M1: 32,912 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.09 AU - 1.17 AU

Year: 507 Days

Day: 37.7 Hours

Environment

Temp: -52 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,800,595 km

• M1: 221,255 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.31 AU - 2.83 AU

Year: 1738 Days

Day: 15.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 45.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,800,595 km

• M1: 55,800 km (0.07 R)
• M2: 1,058,106 km (0.088 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.46 AU - 2.98 AU

Year: 1892 Days

Day: 43.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.5

Radius: 8

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.62 AU - 3.74 AU

Year: 2977 Days

Day: 7.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,800,595 km

• M1: 99,483 km (0.064 R)
• M2: 463,454 km (0.073 R)
• M3: 727,345 km (0.068 R)
• M4: 1,505,104 km (0.025 R)
• M5: 2,174,106 km (0.115 R)
• M6: 2,633,671 km (0.084 R)
• M7: 3,091,440 km (0.105 R)
• M8: 3,477,702 km (0.106 R)
• M9: 4,306,324 km (0.113 R)
• M10: 5,519,563 km (0.108 R)
• M11: 5,987,505 km (0.105 R)
• M12: 6,918,303 km (0.064 R)
• M13: 7,550,953 km (0.115 R)
• M14: 8,034,752 km (0.078 R)
• M15: 9,131,604 km (0.104 R)
• M16: 10,620,252 km (0.098 R)
• M17: 11,266,515 km (0.102 R)
• M18: 11,738,347 km (0.1 R)
• M19: 12,019,591 km (0.108 R)
• M20: 12,305,322 km (0.087 R)
• M21: 12,805,727 km (0.078 R)
• M22: 13,146,810 km (0.117 R)
• M23: 13,669,805 km (0.067 R)
• M24: 14,526,252 km (0.052 R)
• M25: 15,658,409 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.9

Radius: 11.6

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.28 AU - 8.34 AU

Year: 8336 Days

Day: 10.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,800,595 km

• M1: 151,393 km (0.12 R)
• M2: 522,695 km (0.1 R)
• M3: 1,046,736 km (0.084 R)
• M4: 1,562,400 km (0.095 R)
• M5: 1,926,521 km (0.078 R)
• M6: 2,455,350 km (0.073 R)
• M7: 3,097,873 km (0.09 R)
• M8: 3,807,116 km (0.105 R)
• M9: 4,384,564 km (0.061 R)
• M10: 5,413,199 km (0.081 R)
• M11: 5,799,311 km (0.088 R)
• M12: 6,627,036 km (0.11 R)
• M13: 8,371,497 km (0.063 R)
• M14: 8,927,253 km (0.094 R)
• M15: 11,534,744 km (0.054 R)
• M16: 14,665,827 km (0.117 R)
• M17: 15,147,532 km (0.104 R)
• M18: 16,198,906 km (0.04 R)
• M19: 18,508,997 km (0.118 R)
• M20: 24,141,057 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.6

Radius: 4.3

Gravity: 19.56 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 8.37 AU - 12.85 AU

Year: 14576 Days

Day: 18.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,800,595 km

• M1: 53,406 km (0.106 R)
• M2: 221,405 km (0.082 R)
• M3: 514,168 km (0.084 R)
• M4: 682,765 km (0.112 R)
• M5: 849,566 km (0.065 R)
• M6: 1,579,006 km (0.062 R)
• M7: 2,078,513 km (0.107 R)
• M8: 2,892,325 km (0.101 R)
• M9: 3,926,495 km (0.107 R)
• M10: 5,555,167 km (0.094 R)
• M11: 6,346,839 km (0.079 R)
• M12: 7,170,076 km (0.043 R)
• M13: 7,586,108 km (0.031 R)
• M14: 9,709,650 km (0.116 R)
• M15: 10,166,970 km (0.09 R)
• M16: 10,638,503 km (0.076 R)
• M17: 12,315,794 km (0.088 R)
• M18: 13,402,473 km (0.11 R)
• M19: 14,551,534 km (0.108 R)
• M20: 15,015,587 km (0.117 R)
• M21: 15,834,037 km (0.104 R)
• M22: 16,898,276 km (0.084 R)
• M23: 17,858,545 km (0.102 R)
• M24: 18,085,186 km (0.112 R)
• M25: 19,968,025 km (0.038 R)
• M26: 20,458,406 km (0.095 R)
• M27: 21,977,573 km (0.096 R)
• M28: 22,412,603 km (0.065 R)
• M29: 22,588,231 km (0.076 R)
• M30: 22,942,180 km (0.068 R)
• M31: 26,589,226 km (0.081 R)
• M32: 26,983,716 km (0.118 R)
• M33: 28,190,971 km (0.093 R)
• M34: 39,553,827 km (0.057 R)
• M35: 39,939,041 km (0.074 R)
• M36: 43,518,619 km (0.075 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 14,418 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit