🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.79 AU - 0.81 AU

Year: 300 Days

Day: 47.9 Hours

Environment

Temp: -10 °C

Axial Tilt: 38.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.78 AU - 1 AU

Year: 352 Days

Day: 13.2 Hours

Environment

Temp: -22 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.05 AU - 1.43 AU

Year: 579 Days

Day: 33.4 Hours

Environment

Temp: -72 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,957,069 km

• M1: 107,411 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.25 AU - 2.85 AU

Year: 1706 Days

Day: 33.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,957,069 km

• M1: 768,335 km (0.038 R)

Asteroid Belt

Center: 3.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.5

Radius: 14.5

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.14 AU - 6.46 AU

Year: 5112 Days

Day: 11.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,957,069 km

• M1: 181,313 km (0.061 R)
• M2: 664,514 km (0.099 R)
• M3: 1,137,841 km (0.092 R)
• M4: 1,837,211 km (0.059 R)
• M5: 2,398,203 km (0.05 R)
• M6: 3,475,308 km (0.107 R)
• M7: 4,344,621 km (0.111 R)
• M8: 4,877,489 km (0.101 R)
• M9: 5,811,279 km (0.084 R)
• M10: 7,808,261 km (0.08 R)
• M11: 8,945,803 km (0.051 R)
• M12: 10,975,697 km (0.05 R)
• M13: 12,141,812 km (0.057 R)
• M14: 13,901,831 km (0.043 R)
• M15: 15,216,347 km (0.108 R)
• M16: 16,879,726 km (0.095 R)
• M17: 17,811,422 km (0.068 R)
• M18: 19,302,164 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.4

Radius: 5

Gravity: 30.3 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.41 AU - 11.61 AU

Year: 14275 Days

Day: 23.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,957,069 km

• M1: 63,579 km (0.058 R)
• M2: 329,115 km (0.078 R)
• M3: 571,913 km (0.075 R)
• M4: 974,181 km (0.102 R)
• M5: 1,500,167 km (0.099 R)
• M6: 1,706,912 km (0.06 R)
• M7: 2,359,458 km (0.079 R)
• M8: 2,730,760 km (0.06 R)
• M9: 2,991,209 km (0.084 R)
• M10: 3,320,026 km (0.113 R)
• M11: 6,333,525 km (0.09 R)
• M12: 6,579,913 km (0.082 R)
• M13: 7,048,453 km (0.071 R)
• M14: 7,722,541 km (0.091 R)
• M15: 8,587,217 km (0.1 R)
• M16: 12,759,801 km (0.1 R)
• M17: 13,895,249 km (0.116 R)
• M18: 15,242,078 km (0.047 R)
• M19: 16,288,665 km (0.103 R)
• M20: 18,275,175 km (0.031 R)
• M21: 18,690,908 km (0.086 R)
• M22: 19,627,839 km (0.091 R)
• M23: 21,046,027 km (0.06 R)
• M24: 30,314,213 km (0.089 R)
• M25: 31,249,798 km (0.098 R)
• M26: 32,933,074 km (0.11 R)
• M27: 34,423,218 km (0.068 R)
• M28: 37,939,366 km (0.081 R)
• M29: 38,615,698 km (0.115 R)
• M30: 40,834,085 km (0.059 R)
• M31: 42,262,894 km (0.051 R)
• M32: 45,674,923 km (0.103 R)
• M33: 47,525,897 km (0.089 R)
• M34: 52,872,974 km (0.098 R)
• M35: 54,056,592 km (0.055 R)
• M36: 58,427,692 km (0.098 R)
• M37: 58,607,210 km (0.112 R)
• M38: 58,787,176 km (0.101 R)
• M39: 60,057,262 km (0.079 R)
• M40: 61,903,150 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.3

Radius: 5

Gravity: 39.61 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.66 AU - 10.74 AU

Year: 14664 Days

Day: 22 Hours

Environment

Temp: -202 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,957,069 km

• M1: 62,233 km (0.071 R)
• M2: 258,056 km (0.11 R)
• M3: 497,563 km (0.029 R)
• M4: 728,093 km (0.12 R)
• M5: 923,767 km (0.088 R)
• M6: 1,154,297 km (0.086 R)
• M7: 1,422,676 km (0.078 R)
• M8: 1,629,570 km (0.108 R)
• M9: 2,551,242 km (0.077 R)
• M10: 3,007,815 km (0.107 R)
• M11: 3,215,756 km (0.102 R)
• M12: 3,897,473 km (0.043 R)
• M13: 5,580,599 km (0.061 R)
• M14: 5,855,261 km (0.117 R)
• M15: 6,263,064 km (0.088 R)
• M16: 7,552,897 km (0.05 R)
• M17: 13,349,815 km (0.098 R)
• M18: 14,417,196 km (0.079 R)
• M19: 15,159,500 km (0.094 R)
• M20: 15,463,483 km (0.044 R)
• M21: 16,162,255 km (0.101 R)
• M22: 18,643,635 km (0.055 R)
• M23: 24,345,707 km (0.117 R)
• M24: 24,657,918 km (0.107 R)
• M25: 30,142,774 km (0.097 R)
• M26: 32,345,902 km (0.084 R)
• M27: 35,181,530 km (0.047 R)
• M28: 35,580,657 km (0.108 R)
• M29: 41,194,018 km (0.09 R)
• M30: 48,182,333 km (0.092 R)
• M31: 49,169,978 km (0.086 R)
• M32: 50,171,087 km (0.108 R)
• M33: 61,707,626 km (0.112 R)
• M34: 62,094,187 km (0.113 R)
• M35: 67,881,081 km (0.095 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 15,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit