🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.61 AU - 0.73 AU

Year: 208 Days

Day: 30.6 Hours

Environment

Temp: 110 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.75 AU - 1.13 AU

Year: 345 Days

Day: 34.6 Hours

Environment

Temp: 16 °C

Axial Tilt: 32.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 78,349,373 km

• M1: 39,344 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.02 AU - 1.18 AU

Year: 437 Days

Day: 31.3 Hours

Environment

Temp: 16 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.41 AU - 1.85 AU

Year: 788 Days

Day: 27.4 Hours

Environment

Temp: -61 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,349,373 km

• M1: 832,063 km (0.078 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.61 AU - 3.51 AU

Year: 2027 Days

Day: 18.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,349,373 km

• M1: 1,317,359 km (0.089 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.44 AU - 4.16 AU

Year: 2806 Days

Day: 32.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.7

Radius: 8.7

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.51 AU - 5.81 AU

Year: 3810 Days

Day: 5.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,349,373 km

• M1: 109,057 km (0.051 R)
• M2: 379,679 km (0.064 R)
• M3: 712,983 km (0.076 R)
• M4: 1,045,689 km (0.095 R)
• M5: 1,515,576 km (0.109 R)
• M6: 2,464,027 km (0.11 R)
• M7: 3,785,425 km (0.083 R)
• M8: 4,820,642 km (0.059 R)
• M9: 5,283,946 km (0.094 R)
• M10: 5,804,846 km (0.047 R)
• M11: 7,240,836 km (0.028 R)
• M12: 7,608,548 km (0.104 R)
• M13: 7,883,658 km (0.097 R)
• M14: 9,597,751 km (0.098 R)
• M15: 9,960,077 km (0.064 R)
• M16: 11,456,803 km (0.06 R)
• M17: 13,196,327 km (0.046 R)
• M18: 14,943,780 km (0.084 R)
• M19: 15,431,170 km (0.116 R)
• M20: 16,380,368 km (0.115 R)
• M21: 16,782,338 km (0.089 R)
• M22: 17,308,922 km (0.053 R)
• M23: 19,207,170 km (0.08 R)
• M24: 21,580,989 km (0.113 R)
• M25: 22,064,190 km (0.039 R)
• M26: 23,630,180 km (0.103 R)
• M27: 25,117,034 km (0.11 R)
• M28: 25,498,209 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.5

Radius: 5.1

Gravity: 32.66 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 10.18 AU - 16.8 AU

Year: 18766 Days

Day: 21.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,349,373 km

• M1: 63,429 km (0.068 R)
• M2: 567,126 km (0.051 R)
• M3: 1,118,842 km (0.086 R)
• M4: 1,638,845 km (0.096 R)
• M5: 1,875,658 km (0.117 R)
• M6: 2,628,734 km (0.102 R)
• M7: 3,536,344 km (0.099 R)
• M8: 4,126,059 km (0.066 R)
• M9: 4,393,091 km (0.086 R)
• M10: 5,341,392 km (0.062 R)
• M11: 5,538,263 km (0.057 R)
• M12: 5,699,380 km (0.083 R)
• M13: 6,030,739 km (0.1 R)
• M14: 6,915,610 km (0.071 R)
• M15: 8,667,252 km (0.055 R)
• M16: 11,917,415 km (0.082 R)
• M17: 13,374,498 km (0.06 R)
• M18: 16,305,719 km (0.047 R)
• M19: 17,142,869 km (0.074 R)
• M20: 18,096,256 km (0.062 R)
• M21: 21,861,784 km (0.102 R)
• M22: 22,264,801 km (0.08 R)
• M23: 24,247,122 km (0.113 R)
• M24: 27,495,041 km (0.094 R)
• M25: 28,678,959 km (0.045 R)
• M26: 40,750,011 km (0.068 R)
• M27: 43,544,350 km (0.077 R)
• M28: 57,515,145 km (0.087 R)
• M29: 69,109,579 km (0.116 R)
• M30: 70,851,945 km (0.115 R)
• M31: 73,745,467 km (0.107 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 13,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit