🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.4 AU - 0.64 AU

Year: 134 Days

Day: 23.6 Hours

Environment

Temp: 205 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,048,081 km

• M1: 63,579 km (0.051 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.63 AU - 0.93 AU

Year: 246 Days

Day: 31.3 Hours

Environment

Temp: 138 °C

Axial Tilt: 17.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,048,081 km

• M1: 49,966 km (0.027 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.97 AU - 1.05 AU

Year: 362 Days

Day: 31.4 Hours

Environment

Temp: 121 °C

Axial Tilt: 49.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.9 AU - 1.48 AU

Year: 463 Days

Day: 41.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.19 AU - 1.75 AU

Year: 635 Days

Day: 22.1 Hours

Environment

Temp: -15 °C

Axial Tilt: 17.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 105,048,081 km

• M1: 70,161 km (0.1 R)
• M2: 861,833 km (0.117 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.36 AU - 2.84 AU

Year: 1494 Days

Day: 42.6 Hours

Environment

Temp: -88 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,048,081 km

• M1: 1,229,545 km (0.104 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.03 AU - 4.81 AU

Year: 3312 Days

Day: 17.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.1

Radius: 11

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.1 AU - 9.56 AU

Year: 10158 Days

Day: 14.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 105,048,081 km

• M1: 136,882 km (0.117 R)
• M2: 715,975 km (0.114 R)
• M3: 1,310,477 km (0.115 R)
• M4: 1,749,547 km (0.07 R)
• M5: 2,344,049 km (0.117 R)
• M6: 3,651,834 km (0.037 R)
• M7: 5,579,552 km (0.033 R)
• M8: 6,932,365 km (0.078 R)
• M9: 7,439,502 km (0.114 R)
• M10: 7,971,173 km (0.096 R)
• M11: 8,779,749 km (0.044 R)
• M12: 9,564,989 km (0.053 R)
• M13: 13,762,855 km (0.092 R)
• M14: 15,187,176 km (0.118 R)
• M15: 19,421,544 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.4

Radius: 7.2

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 15.87 AU - 24.67 AU

Year: 32529 Days

Day: 16.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 105,048,081 km

• M1: 89,759 km (0.075 R)
• M2: 353,500 km (0.071 R)
• M3: 605,273 km (0.115 R)
• M4: 941,868 km (0.037 R)
• M5: 3,561,177 km (0.106 R)
• M6: 4,399,524 km (0.057 R)
• M7: 5,027,386 km (0.08 R)
• M8: 8,788,725 km (0.111 R)
• M9: 13,768,090 km (0.057 R)
• M10: 14,509,647 km (0.097 R)
• M11: 15,018,429 km (0.1 R)
• M12: 15,715,406 km (0.11 R)
• M13: 20,462,446 km (0.104 R)
• M14: 22,647,472 km (0.067 R)
• M15: 26,459,226 km (0.117 R)
• M16: 28,122,904 km (0.057 R)
• M17: 29,180,710 km (0.029 R)
• M18: 31,375,311 km (0.115 R)
• M19: 35,172,554 km (0.04 R)
• M20: 36,555,137 km (0.067 R)
• M21: 38,615,848 km (0.106 R)
• M22: 39,592,423 km (0.091 R)
• M23: 40,920,254 km (0.068 R)
• M24: 42,967,052 km (0.108 R)
• M25: 55,251,281 km (0.076 R)
• M26: 59,886,870 km (0.04 R)
• M27: 70,403,600 km (0.077 R)
• M28: 80,494,126 km (0.068 R)
• M29: 81,553,279 km (0.117 R)
• M30: 82,086,296 km (0.081 R)
• M31: 83,159,362 km (0.04 R)
• M32: 97,670,954 km (0.057 R)
• M33: 98,573,627 km (0.094 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 11,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit