🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.49 AU - 0.67 AU

Year: 163 Days

Day: 33.1 Hours

Environment

Temp: 172 °C

Axial Tilt: 13.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1 AU - 1.32 AU

Year: 461 Days

Day: 43.8 Hours

Environment

Temp: -4 °C

Axial Tilt: 29.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.38 AU - 1.52 AU

Year: 644 Days

Day: 34.8 Hours

Environment

Temp: -27 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.45 AU - 1.53 AU

Year: 671 Days

Day: 38.3 Hours

Environment

Temp: -30 °C

Axial Tilt: 42.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.27 AU - 3.37 AU

Year: 1747 Days

Day: 16.4 Hours

Environment

Temp: -92 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.74 AU - 4.08 AU

Year: 2323 Days

Day: 36 Hours

Environment

Temp: -107 °C

Axial Tilt: 49.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,185,670 km

• M1: 38,447 km (0.105 R)

Asteroid Belt

Center: 4.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159

Radius: 14.3

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.82 AU - 5.12 AU

Year: 4088 Days

Day: 15 Hours

Environment

Temp: -131 °C

Axial Tilt: 152.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,185,670 km

• M1: 177,872 km (0.097 R)
• M2: 684,261 km (0.079 R)
• M3: 1,358,349 km (0.105 R)
• M4: 2,921,347 km (0.073 R)
• M5: 3,784,677 km (0.091 R)
• M6: 4,524,288 km (0.104 R)
• M7: 5,223,808 km (0.075 R)
• M8: 6,707,370 km (0.114 R)
• M9: 7,306,360 km (0.06 R)
• M10: 8,241,347 km (0.118 R)
• M11: 10,349,779 km (0.091 R)
• M12: 11,915,919 km (0.094 R)
• M13: 12,431,433 km (0.119 R)
• M14: 14,779,222 km (0.052 R)
• M15: 16,034,199 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.7

Radius: 5.9

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 10.25 AU - 14.29 AU

Year: 15858 Days

Day: 20.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,185,670 km

• M1: 76,594 km (0.086 R)
• M2: 308,920 km (0.097 R)
• M3: 588,518 km (0.087 R)
• M4: 1,464,414 km (0.1 R)
• M5: 3,544,722 km (0.059 R)
• M6: 4,058,141 km (0.106 R)
• M7: 4,919,676 km (0.054 R)
• M8: 5,366,375 km (0.084 R)
• M9: 5,811,129 km (0.117 R)
• M10: 6,340,407 km (0.025 R)
• M11: 7,803,923 km (0.115 R)
• M12: 8,374,489 km (0.1 R)
• M13: 9,881,687 km (0.11 R)
• M14: 10,634,763 km (0.11 R)
• M15: 15,199,293 km (0.086 R)
• M16: 17,128,059 km (0.089 R)
• M17: 19,599,116 km (0.113 R)
• M18: 24,477,802 km (0.081 R)
• M19: 25,696,576 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.9

Radius: 8

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 11.36 AU - 15.36 AU

Year: 18017 Days

Day: 17.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,185,670 km

• M1: 99,483 km (0.099 R)
• M2: 603,029 km (0.039 R)
• M3: 862,282 km (0.091 R)
• M4: 1,589,328 km (0.108 R)
• M5: 2,177,098 km (0.099 R)
• M6: 2,949,472 km (0.075 R)
• M7: 3,531,407 km (0.108 R)
• M8: 4,038,395 km (0.072 R)
• M9: 4,592,954 km (0.073 R)
• M10: 5,410,207 km (0.097 R)
• M11: 6,687,623 km (0.101 R)
• M12: 7,374,577 km (0.11 R)
• M13: 8,540,842 km (0.114 R)
• M14: 9,506,197 km (0.053 R)
• M15: 11,000,530 km (0.119 R)
• M16: 12,079,878 km (0.083 R)
• M17: 12,581,630 km (0.082 R)
• M18: 14,308,588 km (0.119 R)
• M19: 16,339,079 km (0.1 R)
• M20: 17,344,078 km (0.084 R)
• M21: 17,982,711 km (0.115 R)
• M22: 24,652,981 km (0.088 R)
• M23: 25,767,336 km (0.075 R)
• M24: 28,534,148 km (0.106 R)
• M25: 32,563,118 km (0.074 R)
• M26: 35,407,871 km (0.075 R)
• M27: 40,048,098 km (0.101 R)
• M28: 40,602,956 km (0.106 R)
• M29: 44,779,879 km (0.112 R)
• M30: 48,289,744 km (0.076 R)
• M31: 48,603,301 km (0.105 R)
• M32: 51,161,275 km (0.072 R)
• M33: 52,638,853 km (0.077 R)
• M34: 53,471,814 km (0.106 R)
• M35: 57,945,987 km (0.079 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 149 - 12,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit