🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.49 AU - 0.61 AU

Year: 143 Days

Day: 36.5 Hours

Environment

Temp: 220 °C

Axial Tilt: 26.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.88 AU - 0.94 AU

Year: 305 Days

Day: 34.7 Hours

Environment

Temp: 136 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.97 AU - 1.01 AU

Year: 346 Days

Day: 29.2 Hours

Environment

Temp: 156 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.13 AU - 1.33 AU

Year: 479 Days

Day: 12.4 Hours

Environment

Temp: 14 °C

Axial Tilt: 27.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 33,477,738 km

• M1: 40,541 km (0.055 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.39 AU - 1.63 AU

Year: 652 Days

Day: 43.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.96 AU - 3.12 AU

Year: 1863 Days

Day: 43.5 Hours

Environment

Temp: -97 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.3

Radius: 13.7

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.6 AU - 5.64 AU

Year: 4683 Days

Day: 9.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,477,738 km

• M1: 170,392 km (0.045 R)
• M2: 619,485 km (0.115 R)
• M3: 1,495,231 km (0.101 R)
• M4: 1,947,166 km (0.114 R)
• M5: 3,118,517 km (0.103 R)
• M6: 3,827,462 km (0.113 R)
• M7: 4,716,671 km (0.117 R)
• M8: 5,739,472 km (0.087 R)
• M9: 6,182,132 km (0.112 R)
• M10: 6,647,531 km (0.086 R)
• M11: 7,136,417 km (0.116 R)
• M12: 7,825,614 km (0.115 R)
• M13: 8,710,934 km (0.106 R)
• M14: 9,661,928 km (0.083 R)
• M15: 11,912,030 km (0.081 R)
• M16: 13,697,779 km (0.111 R)
• M17: 19,063,406 km (0.115 R)
• M18: 20,528,119 km (0.088 R)
• M19: 23,084,747 km (0.09 R)
• M20: 27,142,888 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.5

Radius: 12.7

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.22 AU - 6.32 AU

Year: 4871 Days

Day: 8.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,477,738 km

• M1: 227,838 km (0.109 R)
• M2: 799,301 km (0.076 R)
• M3: 1,831,976 km (0.041 R)
• M4: 2,290,343 km (0.096 R)
• M5: 2,844,304 km (0.114 R)
• M6: 3,401,108 km (0.05 R)
• M7: 3,865,908 km (0.065 R)
• M8: 4,816,004 km (0.103 R)
• M9: 6,625,390 km (0.12 R)
• M10: 7,536,442 km (0.1 R)
• M11: 8,449,886 km (0.095 R)
• M12: 9,182,317 km (0.111 R)
• M13: 11,982,939 km (0.095 R)
• M14: 13,066,776 km (0.091 R)
• M15: 14,102,591 km (0.066 R)
• M16: 15,369,536 km (0.072 R)
• M17: 22,479,623 km (0.11 R)
• M18: 23,097,462 km (0.112 R)
• M19: 23,568,247 km (0.088 R)
• M20: 25,599,337 km (0.048 R)
• M21: 27,656,607 km (0.075 R)
• M22: 31,710,709 km (0.086 R)
• M23: 32,980,496 km (0.034 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 17,526 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit