🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.53 AU - 0.57 AU

Year: 143 Days

Day: 15.3 Hours

Environment

Temp: 231 °C

Axial Tilt: 28.7 °

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: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.64 AU - 0.98 AU

Year: 256 Days

Day: 30.7 Hours

Environment

Temp: 119 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.08 AU - 1.48 AU

Year: 509 Days

Day: 23.5 Hours

Environment

Temp: 18 °C

Axial Tilt: 1.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.04 AU - 2.06 AU

Year: 1032 Days

Day: 46.3 Hours

Environment

Temp: -58 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.77 AU - 2.63 AU

Year: 1147 Days

Day: 14.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.71 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.91 AU - 3.51 AU

Year: 2021 Days

Day: 30.1 Hours

Environment

Temp: -91 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.28 AU - 4.6 AU

Year: 2749 Days

Day: 18.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 170.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.1

Radius: 12.2

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.92 AU - 8.18 AU

Year: 5892 Days

Day: 10.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,444,178 km

• M1: 151,991 km (0.088 R)
• M2: 1,002,904 km (0.101 R)
• M3: 3,589,003 km (0.087 R)
• M4: 5,262,554 km (0.103 R)
• M5: 6,442,731 km (0.064 R)
• M6: 7,157,061 km (0.068 R)
• M7: 9,499,614 km (0.112 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.6

Radius: 10.6

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.72 AU - 9.66 AU

Year: 8238 Days

Day: 6.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,444,178 km

• M1: 135,984 km (0.096 R)
• M2: 510,727 km (0.111 R)
• M3: 1,108,670 km (0.11 R)
• M4: 1,986,510 km (0.046 R)
• M5: 2,795,685 km (0.088 R)
• M6: 4,873,300 km (0.111 R)
• M7: 5,605,582 km (0.106 R)
• M8: 6,409,670 km (0.108 R)
• M9: 10,461,828 km (0.105 R)
• M10: 11,032,693 km (0.071 R)
• M11: 11,679,106 km (0.066 R)
• M12: 12,293,504 km (0.045 R)
• M13: 12,695,773 km (0.097 R)
• M14: 14,079,404 km (0.1 R)
• M15: 14,456,241 km (0.078 R)
• M16: 15,964,187 km (0.107 R)
• M17: 16,581,727 km (0.119 R)
• M18: 17,073,156 km (0.069 R)
• M19: 19,755,296 km (0.097 R)
• M20: 20,307,612 km (0.07 R)
• M21: 21,443,209 km (0.115 R)
• M22: 22,878,601 km (0.067 R)
• M23: 24,648,044 km (0.114 R)
• M24: 31,346,289 km (0.081 R)
• M25: 31,989,859 km (0.118 R)
• M26: 32,751,911 km (0.107 R)
• M27: 37,339,928 km (0.061 R)
• M28: 41,562,477 km (0.054 R)
• M29: 43,788,494 km (0.116 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.8

Radius: 9.5

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.72 AU - 10.02 AU

Year: 10081 Days

Day: 9.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,444,178 km

• M1: 135,236 km (0.064 R)
• M2: 539,899 km (0.103 R)
• M3: 917,035 km (0.11 R)
• M4: 2,310,390 km (0.097 R)
• M5: 2,892,325 km (0.094 R)
• M6: 4,114,390 km (0.109 R)
• M7: 4,683,012 km (0.074 R)
• M8: 6,051,383 km (0.089 R)
• M9: 6,548,796 km (0.052 R)
• M10: 11,970,373 km (0.051 R)
• M11: 15,244,921 km (0.092 R)
• M12: 15,807,708 km (0.084 R)
• M13: 20,820,583 km (0.089 R)
• M14: 22,311,326 km (0.066 R)
• M15: 23,498,385 km (0.028 R)
• M16: 29,419,020 km (0.091 R)
• M17: 33,129,047 km (0.075 R)
• M18: 34,432,044 km (0.086 R)
• M19: 38,935,090 km (0.095 R)
• M20: 44,381,948 km (0.084 R)
• M21: 45,964,395 km (0.111 R)
• M22: 46,695,928 km (0.119 R)
• M23: 50,007,427 km (0.119 R)

Kuiper Belt

Range: 31.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 13,017 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit