🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.7 AU - 0.76 AU

Year: 231 Days

Day: 29.4 Hours

Environment

Temp: 154 °C

Axial Tilt: 65.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.8 AU - 1.24 AU

Year: 382 Days

Day: 38.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 27.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.1 AU - 1.32 AU

Year: 494 Days

Day: 34.7 Hours

Environment

Temp: 11 °C

Axial Tilt: 12 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.66 AU - 2.34 AU

Year: 1049 Days

Day: 26.9 Hours

Environment

Temp: -66 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.17 AU - 2.91 AU

Year: 1501 Days

Day: 44 Hours

Environment

Temp: -93 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.84 AU - 4.48 AU

Year: 2597 Days

Day: 29.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.61 AU - 3.91 AU

Year: 2704 Days

Day: 44 Hours

Environment

Temp: -117 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.79 AU - 4.75 AU

Year: 3272 Days

Day: 31.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 41.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.86 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 17.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.2

Radius: 5.8

Gravity: 17.04 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 15.79 AU - 19.11 AU

Year: 27033 Days

Day: 19.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 87,653,718 km

• M1: 74,051 km (0.104 R)
• M2: 333,603 km (0.039 R)
• M3: 566,078 km (0.06 R)
• M4: 837,748 km (0.102 R)
• M5: 1,282,802 km (0.11 R)
• M6: 1,665,323 km (0.059 R)
• M7: 1,974,243 km (0.071 R)
• M8: 2,941,992 km (0.073 R)
• M9: 3,394,376 km (0.068 R)
• M10: 4,653,840 km (0.077 R)
• M11: 6,108,380 km (0.087 R)
• M12: 7,431,424 km (0.055 R)
• M13: 7,894,429 km (0.068 R)
• M14: 9,757,970 km (0.091 R)
• M15: 10,187,914 km (0.055 R)
• M16: 10,566,397 km (0.032 R)
• M17: 11,351,486 km (0.098 R)
• M18: 11,896,172 km (0.057 R)
• M19: 12,890,849 km (0.099 R)
• M20: 13,111,057 km (0.084 R)
• M21: 14,249,646 km (0.104 R)
• M22: 15,288,603 km (0.092 R)
• M23: 17,072,109 km (0.09 R)
• M24: 31,286,300 km (0.072 R)
• M25: 35,850,831 km (0.057 R)
• M26: 36,725,828 km (0.111 R)
• M27: 39,900,445 km (0.114 R)
• M28: 44,913,918 km (0.091 R)
• M29: 46,444,454 km (0.079 R)
• M30: 49,789,014 km (0.119 R)
• M31: 53,668,535 km (0.046 R)
• M32: 66,945,197 km (0.077 R)
• M33: 76,114,948 km (0.04 R)
• M34: 78,531,402 km (0.105 R)
• M35: 79,758,554 km (0.105 R)
• M36: 80,005,540 km (0.056 R)
• M37: 81,748,504 km (0.12 R)
• M38: 84,538,505 km (0.045 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 11,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit