🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.43 AU - 0.57 AU

Year: 128 Days

Day: 33.5 Hours

Environment

Temp: 246 °C

Axial Tilt: 43.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.68 AU - 0.8 AU

Year: 231 Days

Day: 22.8 Hours

Environment

Temp: 151 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 94,514,674 km

• M1: 84,373 km (0.074 R)
• M2: 168,896 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.63 AU - 0.93 AU

Year: 250 Days

Day: 30.2 Hours

Environment

Temp: 162 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.05 AU - 1.05 AU

Year: 391 Days

Day: 20.9 Hours

Environment

Temp: 41 °C

Axial Tilt: 11.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.33 AU - 1.63 AU

Year: 654 Days

Day: 47 Hours

Environment

Temp: -25 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.41 AU - 1.79 AU

Year: 736 Days

Day: 33.9 Hours

Environment

Temp: -51 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.62 AU - 1.84 AU

Year: 827 Days

Day: 34.5 Hours

Environment

Temp: -47 °C

Axial Tilt: 18.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.7

Radius: 14.2

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.18 AU - 11.32 AU

Year: 10225 Days

Day: 11.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 94,514,674 km

• M1: 176,675 km (0.038 R)
• M2: 943,813 km (0.081 R)
• M3: 1,415,645 km (0.099 R)
• M4: 2,997,044 km (0.053 R)
• M5: 3,695,367 km (0.105 R)
• M6: 4,587,120 km (0.11 R)
• M7: 5,068,974 km (0.073 R)
• M8: 7,882,013 km (0.075 R)
• M9: 11,014,891 km (0.068 R)
• M10: 11,662,800 km (0.119 R)
• M11: 12,165,448 km (0.092 R)
• M12: 15,491,458 km (0.097 R)
• M13: 16,168,089 km (0.115 R)
• M14: 17,580,293 km (0.112 R)
• M15: 18,391,413 km (0.076 R)
• M16: 19,929,877 km (0.069 R)
• M17: 21,971,738 km (0.074 R)
• M18: 31,436,646 km (0.113 R)
• M19: 32,742,037 km (0.049 R)
• M20: 33,857,140 km (0.108 R)
• M21: 35,693,902 km (0.106 R)
• M22: 41,086,606 km (0.068 R)
• M23: 43,307,985 km (0.069 R)
• M24: 43,842,199 km (0.09 R)
• M25: 44,787,508 km (0.097 R)
• M26: 45,608,501 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.2

Radius: 4.5

Gravity: 38.92 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 12.9 AU - 21.4 AU

Year: 25812 Days

Day: 23.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 94,514,674 km

• M1: 60,438 km (0.084 R)
• M2: 362,176 km (0.077 R)
• M3: 606,919 km (0.092 R)
• M4: 767,138 km (0.091 R)
• M5: 955,930 km (0.085 R)
• M6: 1,361,789 km (0.101 R)
• M7: 4,649,203 km (0.094 R)
• M8: 7,513,852 km (0.119 R)
• M9: 7,671,379 km (0.109 R)
• M10: 8,267,975 km (0.119 R)
• M11: 12,808,420 km (0.111 R)
• M12: 13,033,415 km (0.098 R)
• M13: 13,414,441 km (0.045 R)
• M14: 13,802,648 km (0.117 R)
• M15: 14,929,867 km (0.118 R)
• M16: 15,346,797 km (0.11 R)
• M17: 18,677,294 km (0.064 R)
• M18: 19,455,801 km (0.047 R)
• M19: 19,753,202 km (0.107 R)
• M20: 27,089,182 km (0.096 R)
• M21: 29,235,762 km (0.113 R)
• M22: 33,578,888 km (0.099 R)
• M23: 35,165,822 km (0.118 R)
• M24: 36,953,217 km (0.033 R)
• M25: 39,587,785 km (0.04 R)
• M26: 44,025,008 km (0.11 R)
• M27: 44,709,418 km (0.094 R)
• M28: 53,676,763 km (0.03 R)
• M29: 54,066,166 km (0.1 R)
• M30: 56,242,217 km (0.104 R)
• M31: 58,475,863 km (0.118 R)
• M32: 59,927,710 km (0.054 R)
• M33: 61,829,249 km (0.08 R)
• M34: 65,975,354 km (0.082 R)
• M35: 73,131,218 km (0.118 R)
• M36: 75,058,338 km (0.12 R)
• M37: 80,277,658 km (0.101 R)
• M38: 84,412,843 km (0.099 R)
• M39: 84,939,577 km (0.096 R)
• M40: 91,154,770 km (0.088 R)
• M41: 92,824,581 km (0.081 R)
• M42: 93,667,116 km (0.026 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 13,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit