🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.63 AU - 0.93 AU

Year: 246 Days

Day: 19.1 Hours

Environment

Temp: 192 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.72 AU - 0.86 AU

Year: 250 Days

Day: 37.5 Hours

Environment

Temp: 122 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.19 AU - 1.21 AU

Year: 469 Days

Day: 42.2 Hours

Environment

Temp: 15 °C

Axial Tilt: 33.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.39 AU - 2.57 AU

Year: 1392 Days

Day: 47.1 Hours

Environment

Temp: -79 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.9 AU - 3.2 AU

Year: 1899 Days

Day: 24.6 Hours

Environment

Temp: -98 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.4

Radius: 8.6

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.22 AU - 7.98 AU

Year: 6044 Days

Day: 6.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,971,860 km

• M1: 119,977 km (0.096 R)
• M2: 1,341,893 km (0.058 R)
• M3: 1,767,349 km (0.081 R)
• M4: 2,173,807 km (0.082 R)
• M5: 3,040,427 km (0.069 R)
• M6: 3,499,693 km (0.099 R)
• M7: 3,779,291 km (0.11 R)
• M8: 5,078,100 km (0.117 R)
• M9: 6,146,079 km (0.055 R)
• M10: 6,651,869 km (0.119 R)
• M11: 7,782,231 km (0.053 R)
• M12: 8,074,545 km (0.109 R)
• M13: 11,276,837 km (0.11 R)
• M14: 12,229,626 km (0.094 R)
• M15: 18,840,206 km (0.106 R)
• M16: 19,703,685 km (0.106 R)
• M17: 22,013,775 km (0.073 R)
• M18: 28,784,276 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.8

Radius: 9

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.36 AU - 12.42 AU

Year: 11938 Days

Day: 10 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,971,860 km

• M1: 112,198 km (0.079 R)
• M2: 1,206,208 km (0.073 R)
• M3: 1,556,715 km (0.109 R)
• M4: 1,888,972 km (0.089 R)
• M5: 2,192,357 km (0.04 R)
• M6: 2,968,321 km (0.072 R)
• M7: 6,052,281 km (0.031 R)
• M8: 6,399,348 km (0.075 R)
• M9: 6,882,848 km (0.05 R)
• M10: 7,968,331 km (0.096 R)
• M11: 8,965,101 km (0.077 R)
• M12: 9,726,405 km (0.099 R)
• M13: 10,807,698 km (0.057 R)
• M14: 11,090,139 km (0.105 R)
• M15: 14,600,303 km (0.069 R)
• M16: 15,085,449 km (0.087 R)
• M17: 16,531,163 km (0.103 R)
• M18: 17,519,107 km (0.11 R)
• M19: 18,545,947 km (0.05 R)
• M20: 21,155,682 km (0.101 R)
• M21: 24,970,428 km (0.083 R)
• M22: 26,678,536 km (0.07 R)
• M23: 29,111,446 km (0.073 R)
• M24: 32,973,315 km (0.104 R)
• M25: 34,903,427 km (0.115 R)
• M26: 35,896,308 km (0.091 R)
• M27: 38,198,769 km (0.047 R)
• M28: 40,326,500 km (0.107 R)
• M29: 48,702,185 km (0.083 R)
• M30: 52,482,673 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.6

Radius: 3.3

Gravity: 68.47 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 12.25 AU - 15.21 AU

Year: 18134 Days

Day: 16.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,971,860 km

• M1: 44,730 km (0.091 R)
• M2: 233,672 km (0.109 R)
• M3: 535,860 km (0.082 R)
• M4: 700,567 km (0.067 R)
• M5: 968,048 km (0.104 R)
• M6: 2,375,465 km (0.107 R)
• M7: 4,455,324 km (0.072 R)
• M8: 5,203,313 km (0.094 R)
• M9: 5,990,198 km (0.12 R)
• M10: 6,326,195 km (0.063 R)
• M11: 7,127,591 km (0.1 R)
• M12: 7,267,465 km (0.091 R)
• M13: 9,934,495 km (0.088 R)
• M14: 10,951,013 km (0.105 R)
• M15: 15,790,953 km (0.101 R)
• M16: 17,087,069 km (0.085 R)
• M17: 17,932,147 km (0.113 R)
• M18: 18,804,752 km (0.112 R)
• M19: 21,786,835 km (0.057 R)
• M20: 25,392,743 km (0.097 R)
• M21: 28,548,958 km (0.115 R)
• M22: 29,376,833 km (0.112 R)
• M23: 29,978,067 km (0.112 R)
• M24: 33,627,058 km (0.075 R)
• M25: 38,698,276 km (0.1 R)
• M26: 39,857,809 km (0.079 R)
• M27: 40,004,415 km (0.067 R)
• M28: 40,298,674 km (0.107 R)
• M29: 41,339,726 km (0.084 R)
• M30: 47,965,266 km (0.055 R)
• M31: 50,151,041 km (0.101 R)
• M32: 54,358,780 km (0.109 R)
• M33: 57,477,746 km (0.106 R)
• M34: 67,754,222 km (0.088 R)
• M35: 70,501,886 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.2

Radius: 5.5

Gravity: 19.74 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 13.92 AU - 17.12 AU

Year: 21794 Days

Day: 19.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,971,860 km

• M1: 68,366 km (0.056 R)
• M2: 293,212 km (0.112 R)
• M3: 509,530 km (0.076 R)
• M4: 865,124 km (0.108 R)
• M5: 1,185,563 km (0.062 R)
• M6: 1,685,220 km (0.045 R)
• M7: 2,612,128 km (0.08 R)
• M8: 3,900,914 km (0.119 R)
• M9: 4,525,784 km (0.104 R)
• M10: 4,843,979 km (0.053 R)
• M11: 5,139,285 km (0.117 R)
• M12: 7,408,386 km (0.099 R)
• M13: 11,069,943 km (0.085 R)
• M14: 11,324,260 km (0.104 R)
• M15: 11,910,833 km (0.096 R)
• M16: 13,573,912 km (0.083 R)
• M17: 15,862,760 km (0.074 R)
• M18: 16,679,564 km (0.087 R)
• M19: 20,896,878 km (0.102 R)
• M20: 25,773,768 km (0.034 R)
• M21: 25,996,669 km (0.071 R)
• M22: 26,901,138 km (0.098 R)
• M23: 28,772,458 km (0.108 R)
• M24: 29,739,907 km (0.119 R)
• M25: 33,428,991 km (0.058 R)
• M26: 35,177,341 km (0.079 R)
• M27: 37,984,844 km (0.108 R)
• M28: 39,295,471 km (0.099 R)
• M29: 40,938,056 km (0.072 R)
• M30: 46,798,403 km (0.04 R)
• M31: 53,193,861 km (0.119 R)
• M32: 54,100,424 km (0.099 R)
• M33: 54,465,892 km (0.114 R)

Kuiper Belt

Range: 30.8 - 46.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 12,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit