🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.61 AU - 0.93 AU

Year: 244 Days

Day: 44.4 Hours

Environment

Temp: 123 °C

Axial Tilt: 135.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.75 AU - 1.25 AU

Year: 362 Days

Day: 12.4 Hours

Environment

Temp: 36 °C

Axial Tilt: 37 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 44,987,949 km

• M1: 48,470 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.47 AU - 1.55 AU

Year: 671 Days

Day: 35.8 Hours

Environment

Temp: -23 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.82 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.96 AU - 2.28 AU

Year: 1116 Days

Day: 43.2 Hours

Environment

Temp: -63 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.11 AU - 3.21 AU

Year: 1569 Days

Day: 46.2 Hours

Environment

Temp: -83 °C

Axial Tilt: 157.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,987,949 km

• M1: 364,869 km (0.039 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.8 AU - 4.62 AU

Year: 3124 Days

Day: 30.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.08 AU - 4.98 AU

Year: 3487 Days

Day: 45 Hours

Environment

Temp: -123 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.8

Radius: 10.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.53 AU - 9.85 AU

Year: 9264 Days

Day: 12.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,987,949 km

• M1: 640,877 km (0.063 R)
• M2: 1,658,143 km (0.113 R)
• M3: 2,864,650 km (0.116 R)
• M4: 5,596,008 km (0.103 R)
• M5: 6,432,858 km (0.12 R)
• M6: 6,790,098 km (0.086 R)
• M7: 8,023,532 km (0.101 R)
• M8: 8,823,282 km (0.04 R)
• M9: 10,434,751 km (0.045 R)
• M10: 10,829,091 km (0.102 R)
• M11: 11,182,291 km (0.091 R)
• M12: 12,072,249 km (0.039 R)
• M13: 15,656,913 km (0.074 R)
• M14: 21,358,238 km (0.072 R)
• M15: 22,156,043 km (0.119 R)
• M16: 22,726,310 km (0.118 R)
• M17: 24,237,697 km (0.046 R)
• M18: 26,720,424 km (0.061 R)
• M19: 31,875,566 km (0.108 R)
• M20: 38,236,318 km (0.109 R)
• M21: 39,889,375 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523

Radius: 14.9

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.62 AU - 10.16 AU

Year: 10406 Days

Day: 11.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,987,949 km

• M1: 185,352 km (0.072 R)
• M2: 675,434 km (0.087 R)
• M3: 1,168,808 km (0.097 R)
• M4: 1,946,268 km (0.062 R)
• M5: 2,904,742 km (0.104 R)
• M6: 3,387,494 km (0.034 R)
• M7: 4,267,878 km (0.117 R)
• M8: 4,748,386 km (0.118 R)
• M9: 6,093,570 km (0.114 R)
• M10: 6,668,325 km (0.082 R)
• M11: 8,053,302 km (0.086 R)
• M12: 8,570,013 km (0.109 R)
• M13: 13,007,385 km (0.116 R)
• M14: 13,903,028 km (0.056 R)
• M15: 15,552,643 km (0.108 R)
• M16: 20,639,121 km (0.033 R)
• M17: 21,364,820 km (0.066 R)
• M18: 21,940,921 km (0.058 R)
• M19: 23,383,344 km (0.076 R)
• M20: 28,483,883 km (0.118 R)
• M21: 30,199,621 km (0.076 R)
• M22: 30,821,201 km (0.091 R)
• M23: 31,557,372 km (0.087 R)
• M24: 32,955,364 km (0.079 R)
• M25: 36,572,491 km (0.113 R)
• M26: 40,823,015 km (0.08 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 15,044 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit