🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.5 AU - 0.5 AU

Year: 134 Days

Day: 28.7 Hours

Environment

Temp: 214 °C

Axial Tilt: 17.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.87 AU - 1.33 AU

Year: 437 Days

Day: 25.8 Hours

Environment

Temp: 4 °C

Axial Tilt: 21.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.16 AU - 1.36 AU

Year: 536 Days

Day: 33.8 Hours

Environment

Temp: -35 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,310,633 km

• M1: 244,742 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.81 AU - 2.53 AU

Year: 1211 Days

Day: 28.2 Hours

Environment

Temp: -88 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,310,633 km

• M1: 573,708 km (0.101 R)

Asteroid Belt

Center: 3.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.6

Radius: 8.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.78 AU - 5.34 AU

Year: 3688 Days

Day: 9.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 16,310,633 km

• M1: 102,026 km (0.115 R)
• M2: 492,925 km (0.07 R)
• M3: 861,684 km (0.116 R)
• M4: 2,038,869 km (0.072 R)
• M5: 3,581,822 km (0.057 R)
• M6: 5,666,169 km (0.106 R)
• M7: 6,767,957 km (0.095 R)
• M8: 7,790,010 km (0.057 R)
• M9: 8,276,053 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.7

Radius: 11.2

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.71 AU - 6.85 AU

Year: 5263 Days

Day: 5.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,310,633 km

• M1: 139,575 km (0.115 R)
• M2: 812,915 km (0.051 R)
• M3: 1,754,484 km (0.059 R)
• M4: 2,568,895 km (0.057 R)
• M5: 3,246,872 km (0.07 R)
• M6: 4,388,005 km (0.081 R)
• M7: 7,088,546 km (0.068 R)
• M8: 8,258,102 km (0.068 R)
• M9: 8,855,147 km (0.096 R)
• M10: 9,409,856 km (0.032 R)
• M11: 9,877,499 km (0.058 R)
• M12: 10,665,730 km (0.093 R)
• M13: 11,946,886 km (0.1 R)
• M14: 12,929,146 km (0.103 R)
• M15: 15,005,714 km (0.084 R)
• M16: 15,794,842 km (0.113 R)
• M17: 19,116,514 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.8

Radius: 14.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.76 AU - 9.6 AU

Year: 8861 Days

Day: 14.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,310,633 km

• M1: 176,376 km (0.095 R)
• M2: 911,201 km (0.105 R)
• M3: 1,688,960 km (0.083 R)
• M4: 2,219,733 km (0.104 R)
• M5: 4,928,352 km (0.051 R)
• M6: 5,475,132 km (0.119 R)
• M7: 9,876,302 km (0.063 R)
• M8: 11,975,908 km (0.085 R)
• M9: 17,497,565 km (0.074 R)
• M10: 19,473,454 km (0.117 R)
• M11: 20,043,871 km (0.107 R)
• M12: 21,293,013 km (0.097 R)
• M13: 22,051,624 km (0.088 R)
• M14: 24,108,594 km (0.091 R)
• M15: 27,607,988 km (0.11 R)
• M16: 32,416,662 km (0.103 R)
• M17: 32,916,319 km (0.08 R)
• M18: 35,070,977 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.3

Radius: 13.1

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.3 AU - 9.82 AU

Year: 10329 Days

Day: 11.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,310,633 km

• M1: 162,912 km (0.093 R)
• M2: 843,433 km (0.099 R)
• M3: 2,473,002 km (0.062 R)
• M4: 3,955,816 km (0.099 R)
• M5: 5,398,688 km (0.098 R)
• M6: 6,627,036 km (0.099 R)
• M7: 7,708,629 km (0.085 R)
• M8: 8,124,361 km (0.065 R)
• M9: 9,033,767 km (0.034 R)
• M10: 10,397,950 km (0.098 R)
• M11: 10,869,781 km (0.041 R)
• M12: 12,411,836 km (0.047 R)
• M13: 15,831,045 km (0.049 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 12,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit