🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.11 AU - 1.63 AU

Year: 574 Days

Day: 15.5 Hours

Environment

Temp: -3 °C

Axial Tilt: 25.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.32 AU - 1.96 AU

Year: 752 Days

Day: 13.1 Hours

Environment

Temp: -39 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.68 AU - 2.38 AU

Year: 1036 Days

Day: 43.4 Hours

Environment

Temp: -68 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.4

Radius: 10.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.04 AU - 7.72 AU

Year: 7181 Days

Day: 14.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,935,850 km

• M1: 136,134 km (0.113 R)
• M2: 937,979 km (0.099 R)
• M3: 1,516,025 km (0.081 R)
• M4: 2,093,024 km (0.095 R)
• M5: 2,924,788 km (0.1 R)
• M6: 8,556,699 km (0.082 R)
• M7: 11,261,578 km (0.094 R)
• M8: 13,539,056 km (0.087 R)
• M9: 13,962,268 km (0.033 R)
• M10: 14,785,805 km (0.069 R)
• M11: 16,851,153 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.1

Radius: 8.2

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.29 AU - 9.21 AU

Year: 8487 Days

Day: 9.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 152.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,935,850 km

• M1: 102,026 km (0.111 R)
• M2: 382,372 km (0.043 R)
• M3: 1,158,336 km (0.111 R)
• M4: 1,825,692 km (0.08 R)
• M5: 2,120,999 km (0.074 R)
• M6: 3,241,038 km (0.115 R)
• M7: 5,531,531 km (0.11 R)
• M8: 6,469,809 km (0.09 R)
• M9: 7,510,412 km (0.1 R)
• M10: 8,309,563 km (0.11 R)
• M11: 10,553,980 km (0.099 R)
• M12: 10,839,862 km (0.081 R)
• M13: 14,534,032 km (0.085 R)
• M14: 18,574,072 km (0.118 R)
• M15: 18,991,150 km (0.065 R)
• M16: 20,722,297 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.9

Radius: 6.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 12 AU - 15.34 AU

Year: 18102 Days

Day: 21.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,935,850 km

• M1: 82,578 km (0.109 R)
• M2: 789,428 km (0.104 R)
• M3: 1,326,484 km (0.105 R)
• M4: 2,728,366 km (0.1 R)
• M5: 3,205,583 km (0.116 R)
• M6: 6,391,569 km (0.117 R)
• M7: 7,080,018 km (0.05 R)
• M8: 9,857,901 km (0.096 R)
• M9: 11,643,501 km (0.095 R)
• M10: 12,121,467 km (0.057 R)
• M11: 14,527,000 km (0.09 R)
• M12: 16,560,634 km (0.063 R)
• M13: 17,097,241 km (0.052 R)
• M14: 19,730,912 km (0.099 R)
• M15: 20,182,099 km (0.093 R)
• M16: 20,871,596 km (0.074 R)
• M17: 21,339,987 km (0.088 R)
• M18: 30,612,212 km (0.096 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 19,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit