🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.41 AU - 0.65 AU

Year: 134 Days

Day: 47.3 Hours

Environment

Temp: 281 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.63 AU - 0.99 AU

Year: 254 Days

Day: 28.4 Hours

Environment

Temp: 135 °C

Axial Tilt: 161.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.91 AU - 1.29 AU

Year: 402 Days

Day: 45.2 Hours

Environment

Temp: 128 °C

Axial Tilt: 38.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.08 AU - 1.4 AU

Year: 481 Days

Day: 26.3 Hours

Environment

Temp: 14 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 42,667,343 km

• M1: 47,273 km (0.054 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.27 AU - 1.67 AU

Year: 621 Days

Day: 25.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 16.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,667,343 km

• M1: 646,113 km (0.057 R)

Planet 6 - Terrestrial

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.89 AU - 5.41 AU

Year: 4070 Days

Day: 43.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.9

Radius: 13.8

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.56 AU - 7.88 AU

Year: 6067 Days

Day: 7.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,667,343 km

• M1: 171,738 km (0.067 R)
• M2: 610,808 km (0.113 R)
• M3: 1,074,412 km (0.039 R)
• M4: 1,530,536 km (0.086 R)
• M5: 2,119,203 km (0.113 R)
• M6: 3,116,872 km (0.088 R)
• M7: 3,818,934 km (0.058 R)
• M8: 5,616,054 km (0.057 R)
• M9: 6,325,297 km (0.082 R)
• M10: 8,345,766 km (0.086 R)
• M11: 8,817,149 km (0.075 R)
• M12: 10,263,312 km (0.055 R)
• M13: 10,923,786 km (0.11 R)
• M14: 12,373,090 km (0.091 R)
• M15: 13,484,453 km (0.113 R)
• M16: 15,499,835 km (0.074 R)
• M17: 16,897,079 km (0.042 R)
• M18: 19,293,787 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.7

Radius: 14.6

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 10.1 AU - 13.7 AU

Year: 14296 Days

Day: 9.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,667,343 km

• M1: 187,596 km (0.117 R)
• M2: 706,700 km (0.106 R)
• M3: 3,337,828 km (0.104 R)
• M4: 4,722,954 km (0.111 R)
• M5: 8,176,421 km (0.073 R)
• M6: 8,842,281 km (0.096 R)
• M7: 12,297,992 km (0.1 R)
• M8: 17,950,548 km (0.108 R)
• M9: 20,768,822 km (0.115 R)
• M10: 22,101,290 km (0.066 R)
• M11: 28,219,544 km (0.115 R)
• M12: 28,757,348 km (0.116 R)
• M13: 42,113,895 km (0.092 R)
• M14: 44,826,104 km (0.057 R)
• M15: 46,897,736 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.3

Radius: 6.6

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 11.32 AU - 16.42 AU

Year: 17989 Days

Day: 15.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,667,343 km

• M1: 82,129 km (0.036 R)
• M2: 448,943 km (0.087 R)
• M3: 911,051 km (0.115 R)
• M4: 1,923,679 km (0.114 R)
• M5: 2,204,325 km (0.108 R)
• M6: 2,455,948 km (0.11 R)
• M7: 3,038,632 km (0.087 R)
• M8: 3,397,517 km (0.079 R)
• M9: 4,308,718 km (0.101 R)
• M10: 6,139,197 km (0.102 R)
• M11: 6,603,250 km (0.088 R)
• M12: 7,244,726 km (0.113 R)
• M13: 7,480,941 km (0.12 R)
• M14: 9,097,795 km (0.091 R)
• M15: 10,730,356 km (0.103 R)
• M16: 11,350,589 km (0.075 R)
• M17: 12,380,869 km (0.073 R)
• M18: 14,877,359 km (0.1 R)
• M19: 15,323,759 km (0.083 R)
• M20: 15,713,461 km (0.053 R)
• M21: 17,060,291 km (0.072 R)
• M22: 20,998,604 km (0.028 R)
• M23: 22,546,344 km (0.119 R)
• M24: 23,476,394 km (0.099 R)
• M25: 26,142,527 km (0.103 R)
• M26: 35,452,751 km (0.075 R)
• M27: 40,655,765 km (0.1 R)

Kuiper Belt

Range: 31.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 18,802 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit