🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.48 AU - 0.64 AU

Year: 187 Days

Day: 31.6 Hours

Environment

Temp: -0 °C

Axial Tilt: 25.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.65 AU - 0.67 AU

Year: 239 Days

Day: 22 Hours

Environment

Temp: 4 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.8 AU - 1.1 AU

Year: 413 Days

Day: 29.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 114.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.33 AU - 1.79 AU

Year: 869 Days

Day: 43.9 Hours

Environment

Temp: -113 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.89 AU - 1.93 AU

Year: 1178 Days

Day: 23.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.3

Radius: 12.4

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.05 AU - 3.29 AU

Year: 1947 Days

Day: 11.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 167.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,160,469 km

• M1: 154,235 km (0.094 R)
• M2: 613,650 km (0.062 R)
• M3: 1,209,349 km (0.112 R)
• M4: 1,767,200 km (0.09 R)
• M5: 2,384,141 km (0.115 R)
• M6: 2,842,808 km (0.081 R)
• M7: 3,237,298 km (0.096 R)
• M8: 4,586,521 km (0.09 R)
• M9: 6,874,621 km (0.029 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.7

Radius: 13.8

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.47 AU - 7.53 AU

Year: 7395 Days

Day: 12.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,160,469 km

• M1: 171,589 km (0.084 R)
• M2: 676,033 km (0.074 R)
• M3: 1,125,425 km (0.096 R)
• M4: 2,274,037 km (0.098 R)
• M5: 2,887,389 km (0.096 R)
• M6: 4,185,300 km (0.079 R)
• M7: 4,679,870 km (0.068 R)
• M8: 8,344,719 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417

Radius: 7.7

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.79 AU - 10.27 AU

Year: 14174 Days

Day: 16.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,160,469 km

• M1: 95,892 km (0.066 R)
• M2: 934,239 km (0.087 R)
• M3: 1,267,692 km (0.067 R)
• M4: 1,576,163 km (0.119 R)
• M5: 1,985,014 km (0.105 R)
• M6: 2,604,200 km (0.105 R)
• M7: 3,519,888 km (0.054 R)
• M8: 9,129,360 km (0.09 R)
• M9: 10,819,217 km (0.118 R)
• M10: 11,482,235 km (0.092 R)
• M11: 11,997,151 km (0.115 R)
• M12: 21,082,230 km (0.057 R)
• M13: 26,588,030 km (0.063 R)
• M14: 28,930,283 km (0.102 R)
• M15: 40,721,887 km (0.097 R)
• M16: 41,118,022 km (0.118 R)
• M17: 46,792,718 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.4

Radius: 5

Gravity: 18.18 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 10.18 AU - 14.98 AU

Year: 19910 Days

Day: 17 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 66,160,469 km

• M1: 62,233 km (0.099 R)
• M2: 381,175 km (0.053 R)
• M3: 765,941 km (0.116 R)
• M4: 1,022,352 km (0.042 R)
• M5: 1,264,551 km (0.092 R)
• M6: 1,741,918 km (0.06 R)
• M7: 2,569,493 km (0.108 R)
• M8: 2,944,984 km (0.106 R)
• M9: 4,135,783 km (0.057 R)
• M10: 4,453,080 km (0.059 R)
• M11: 4,617,787 km (0.109 R)
• M12: 5,317,456 km (0.115 R)
• M13: 5,578,355 km (0.12 R)
• M14: 5,965,664 km (0.09 R)
• M15: 6,837,520 km (0.115 R)
• M16: 7,838,629 km (0.029 R)
• M17: 9,958,431 km (0.031 R)
• M18: 10,644,786 km (0.113 R)
• M19: 11,059,322 km (0.114 R)
• M20: 11,423,144 km (0.117 R)
• M21: 12,892,195 km (0.101 R)
• M22: 16,122,163 km (0.033 R)
• M23: 17,389,406 km (0.099 R)
• M24: 18,298,363 km (0.073 R)
• M25: 20,845,566 km (0.097 R)
• M26: 21,307,374 km (0.12 R)
• M27: 24,020,631 km (0.079 R)
• M28: 25,669,947 km (0.099 R)
• M29: 26,414,795 km (0.094 R)
• M30: 27,064,499 km (0.065 R)
• M31: 27,724,973 km (0.106 R)
• M32: 29,422,760 km (0.064 R)
• M33: 32,158,755 km (0.087 R)
• M34: 33,399,370 km (0.042 R)
• M35: 38,130,253 km (0.037 R)
• M36: 39,099,199 km (0.111 R)
• M37: 40,798,182 km (0.113 R)
• M38: 45,260,088 km (0.115 R)
• M39: 45,568,559 km (0.118 R)
• M40: 46,346,019 km (0.045 R)
• M41: 53,400,456 km (0.083 R)
• M42: 64,391,860 km (0.085 R)
• M43: 66,160,406 km (0.041 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: 201 - 17,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit