🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.54 AU - 0.82 AU

Year: 215 Days

Day: 15.5 Hours

Environment

Temp: 106 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.92 AU - 1 AU

Year: 360 Days

Day: 18.8 Hours

Environment

Temp: 21 °C

Axial Tilt: 49.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.96 AU - 1.3 AU

Year: 460 Days

Day: 27.5 Hours

Environment

Temp: 6 °C

Axial Tilt: 23.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 2.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.5

Radius: 9.9

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.58 AU - 4.6 AU

Year: 3167 Days

Day: 8.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,516,188 km

• M1: 123,119 km (0.096 R)
• M2: 543,190 km (0.113 R)
• M3: 878,588 km (0.077 R)
• M4: 1,203,216 km (0.106 R)
• M5: 2,017,028 km (0.047 R)
• M6: 2,642,347 km (0.069 R)
• M7: 4,320,237 km (0.089 R)
• M8: 5,236,374 km (0.053 R)
• M9: 5,819,058 km (0.114 R)
• M10: 7,606,304 km (0.108 R)
• M11: 12,535,254 km (0.091 R)
• M12: 12,846,568 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.5

Radius: 8.7

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.23 AU - 5.13 AU

Year: 3876 Days

Day: 5.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 13,516,188 km

• M1: 111,450 km (0.114 R)
• M2: 396,734 km (0.042 R)
• M3: 673,340 km (0.086 R)
• M4: 1,265,448 km (0.049 R)
• M5: 1,982,621 km (0.111 R)
• M6: 2,372,173 km (0.068 R)
• M7: 2,828,896 km (0.076 R)
• M8: 3,399,911 km (0.097 R)
• M9: 5,660,783 km (0.109 R)
• M10: 7,180,997 km (0.058 R)
• M11: 11,476,401 km (0.111 R)
• M12: 12,457,912 km (0.054 R)
• M13: 13,111,057 km (0.12 R)
• M14: 14,947,071 km (0.045 R)
• M15: 17,174,883 km (0.036 R)
• M16: 17,866,623 km (0.083 R)
• M17: 18,576,914 km (0.096 R)
• M18: 22,142,579 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.6

Radius: 9.1

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.72 AU - 5.54 AU

Year: 4449 Days

Day: 6 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,516,188 km

• M1: 113,246 km (0.041 R)
• M2: 407,355 km (0.063 R)
• M3: 738,565 km (0.105 R)
• M4: 1,050,476 km (0.116 R)
• M5: 1,409,212 km (0.112 R)
• M6: 2,865,846 km (0.091 R)
• M7: 3,261,383 km (0.051 R)
• M8: 3,862,318 km (0.114 R)
• M9: 5,478,573 km (0.084 R)
• M10: 5,996,780 km (0.115 R)
• M11: 6,279,819 km (0.103 R)
• M12: 8,939,071 km (0.095 R)
• M13: 9,498,268 km (0.07 R)
• M14: 10,080,653 km (0.046 R)
• M15: 10,824,603 km (0.11 R)
• M16: 11,750,314 km (0.108 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: 174 - 19,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit