🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.47 AU - 0.71 AU

Year: 173 Days

Day: 41.8 Hours

Environment

Temp: 181 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.68 AU - 0.94 AU

Year: 278 Days

Day: 21.5 Hours

Environment

Temp: 142 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.17 AU - 2.49 AU

Year: 1354 Days

Day: 31.1 Hours

Environment

Temp: -95 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,999,742 km

• M1: 721,810 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.5 AU - 3.58 AU

Year: 2018 Days

Day: 16.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.77 AU - 3.99 AU

Year: 2910 Days

Day: 40.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 81 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.1

Radius: 14.3

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.81 AU - 6.43 AU

Year: 5073 Days

Day: 10.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,999,742 km

• M1: 177,872 km (0.105 R)
• M2: 625,469 km (0.113 R)
• M3: 1,818,362 km (0.094 R)
• M4: 2,684,833 km (0.036 R)
• M5: 3,197,954 km (0.118 R)
• M6: 4,246,186 km (0.05 R)
• M7: 4,904,716 km (0.114 R)
• M8: 6,479,832 km (0.107 R)
• M9: 6,935,507 km (0.106 R)
• M10: 8,945,354 km (0.098 R)
• M11: 9,786,693 km (0.072 R)
• M12: 10,865,293 km (0.086 R)
• M13: 13,559,551 km (0.087 R)
• M14: 14,899,798 km (0.054 R)
• M15: 15,365,646 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.1

Radius: 10.7

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.31 AU - 6.63 AU

Year: 5555 Days

Day: 5.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,999,742 km

• M1: 133,441 km (0.094 R)
• M2: 479,461 km (0.109 R)
• M3: 939,923 km (0.114 R)
• M4: 1,436,738 km (0.111 R)
• M5: 2,732,405 km (0.088 R)
• M6: 3,702,846 km (0.111 R)
• M7: 4,753,323 km (0.061 R)
• M8: 5,239,665 km (0.089 R)
• M9: 6,231,350 km (0.103 R)
• M10: 7,046,509 km (0.06 R)
• M11: 8,253,015 km (0.114 R)
• M12: 8,684,456 km (0.101 R)
• M13: 9,628,568 km (0.074 R)
• M14: 11,392,925 km (0.058 R)
• M15: 12,437,417 km (0.039 R)
• M16: 13,094,002 km (0.038 R)
• M17: 16,993,720 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.2

Radius: 9.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.52 AU - 7.9 AU

Year: 8152 Days

Day: 7.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,999,742 km

• M1: 121,922 km (0.087 R)
• M2: 543,040 km (0.099 R)
• M3: 1,066,483 km (0.077 R)
• M4: 1,489,097 km (0.094 R)
• M5: 2,268,652 km (0.109 R)
• M6: 4,333,701 km (0.115 R)
• M7: 4,803,139 km (0.087 R)
• M8: 6,287,599 km (0.037 R)
• M9: 9,606,876 km (0.035 R)
• M10: 10,001,366 km (0.111 R)
• M11: 13,126,914 km (0.067 R)
• M12: 14,564,549 km (0.063 R)
• M13: 23,751,355 km (0.083 R)
• M14: 24,392,830 km (0.109 R)
• M15: 27,336,019 km (0.056 R)
• M16: 29,670,045 km (0.079 R)
• M17: 30,414,145 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.8

Radius: 4

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 13.22 AU - 21.08 AU

Year: 27045 Days

Day: 21.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,999,742 km

• M1: 75,846 km (0.112 R)
• M2: 1,552,975 km (0.033 R)
• M3: 1,999,675 km (0.105 R)
• M4: 3,142,303 km (0.041 R)
• M5: 5,719,725 km (0.105 R)
• M6: 9,535,069 km (0.047 R)
• M7: 10,460,631 km (0.107 R)
• M8: 11,785,919 km (0.09 R)
• M9: 17,006,585 km (0.115 R)
• M10: 34,182,216 km (0.047 R)
• M11: 41,964,148 km (0.105 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 15,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit