🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.53 AU - 0.75 AU

Year: 192 Days

Day: 43.5 Hours

Environment

Temp: 164 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.83 AU - 1.33 AU

Year: 421 Days

Day: 26.1 Hours

Environment

Temp: 19 °C

Axial Tilt: 37 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 43,641,383 km

• M1: 19,897 km (0.117 R)
• M2: 40,990 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.91 AU - 1.29 AU

Year: 432 Days

Day: 33.2 Hours

Environment

Temp: 11 °C

Axial Tilt: 35.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,641,383 km

• M1: 65,075 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.27 AU - 1.61 AU

Year: 648 Days

Day: 26.3 Hours

Environment

Temp: -36 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.49 AU - 3.75 AU

Year: 2581 Days

Day: 19.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,641,383 km

• M1: 479,461 km (0.049 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.6 AU - 4.1 AU

Year: 2831 Days

Day: 42.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 103.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959

Radius: 13.1

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.18 AU - 9.24 AU

Year: 8815 Days

Day: 6.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,641,383 km

• M1: 163,959 km (0.034 R)
• M2: 637,736 km (0.092 R)
• M3: 1,773,034 km (0.059 R)
• M4: 2,251,598 km (0.098 R)
• M5: 2,966,975 km (0.058 R)
• M6: 4,069,511 km (0.025 R)
• M7: 4,522,044 km (0.045 R)
• M8: 5,529,287 km (0.03 R)
• M9: 7,436,809 km (0.089 R)
• M10: 8,029,815 km (0.051 R)
• M11: 9,407,013 km (0.091 R)
• M12: 13,409,355 km (0.093 R)
• M13: 14,034,075 km (0.117 R)
• M14: 17,088,864 km (0.119 R)
• M15: 18,123,483 km (0.091 R)
• M16: 19,673,167 km (0.073 R)
• M17: 20,317,186 km (0.1 R)
• M18: 28,871,940 km (0.073 R)
• M19: 32,855,133 km (0.103 R)
• M20: 38,300,047 km (0.12 R)
• M21: 41,105,007 km (0.043 R)
• M22: 42,424,161 km (0.048 R)
• M23: 43,499,620 km (0.079 R)
• M24: 45,286,118 km (0.099 R)
• M25: 48,565,602 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.4

Radius: 6.8

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 14.08 AU - 16.2 AU

Year: 22076 Days

Day: 20.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,641,383 km

• M1: 98,884 km (0.093 R)
• M2: 314,006 km (0.091 R)
• M3: 779,106 km (0.048 R)
• M4: 1,158,785 km (0.082 R)
• M5: 1,419,833 km (0.11 R)
• M6: 1,868,627 km (0.058 R)
• M7: 2,211,356 km (0.086 R)
• M8: 3,070,496 km (0.044 R)
• M9: 3,932,778 km (0.115 R)
• M10: 4,283,286 km (0.091 R)
• M11: 4,591,159 km (0.114 R)
• M12: 5,046,834 km (0.106 R)
• M13: 7,305,313 km (0.115 R)
• M14: 7,880,965 km (0.111 R)
• M15: 9,737,325 km (0.041 R)
• M16: 16,719,208 km (0.071 R)
• M17: 18,591,874 km (0.115 R)
• M18: 23,876,867 km (0.108 R)
• M19: 32,251,805 km (0.088 R)
• M20: 36,516,541 km (0.095 R)
• M21: 38,454,133 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.9

Radius: 7.4

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 14.62 AU - 17.26 AU

Year: 23848 Days

Day: 19.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,641,383 km

• M1: 127,009 km (0.025 R)
• M2: 664,514 km (0.079 R)
• M3: 1,210,097 km (0.034 R)
• M4: 1,492,538 km (0.09 R)
• M5: 2,090,181 km (0.086 R)
• M6: 2,500,528 km (0.106 R)
• M7: 2,796,433 km (0.104 R)
• M8: 3,204,686 km (0.098 R)
• M9: 3,651,983 km (0.069 R)
• M10: 5,060,298 km (0.093 R)
• M11: 5,406,018 km (0.101 R)
• M12: 7,658,364 km (0.077 R)
• M13: 8,072,451 km (0.11 R)
• M14: 8,990,682 km (0.085 R)
• M15: 10,420,988 km (0.117 R)
• M16: 11,886,897 km (0.059 R)
• M17: 15,877,271 km (0.081 R)
• M18: 17,454,631 km (0.099 R)
• M19: 19,742,281 km (0.079 R)
• M20: 33,017,896 km (0.037 R)
• M21: 35,461,278 km (0.093 R)
• M22: 39,470,650 km (0.097 R)
• M23: 39,838,362 km (0.095 R)
• M24: 43,641,439 km (0.094 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 18,682 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit