🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.49 AU - 0.67 AU

Year: 155 Days

Day: 29.3 Hours

Environment

Temp: 171 °C

Axial Tilt: 49.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,364,255 km

• M1: 44,730 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.55 AU - 0.65 AU

Year: 163 Days

Day: 18.9 Hours

Environment

Temp: 249 °C

Axial Tilt: 23.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.05 AU - 1.37 AU

Year: 468 Days

Day: 12 Hours

Environment

Temp: 35 °C

Axial Tilt: 16.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 50,364,255 km

• M1: 29,770 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.21 AU - 1.37 AU

Year: 515 Days

Day: 38.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 44.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.23 AU - 1.37 AU

Year: 521 Days

Day: 20.2 Hours

Environment

Temp: 20 °C

Axial Tilt: 39.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.56 AU - 1.66 AU

Year: 718 Days

Day: 23.4 Hours

Environment

Temp: -31 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.1

Radius: 9.2

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.84 AU - 8.38 AU

Year: 6663 Days

Day: 7.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,364,255 km

• M1: 114,592 km (0.048 R)
• M2: 818,899 km (0.062 R)
• M3: 1,522,607 km (0.085 R)
• M4: 1,858,155 km (0.045 R)
• M5: 2,312,334 km (0.101 R)
• M6: 3,285,618 km (0.074 R)
• M7: 4,133,240 km (0.071 R)
• M8: 5,523,901 km (0.108 R)
• M9: 6,360,752 km (0.09 R)
• M10: 7,395,670 km (0.116 R)
• M11: 8,035,500 km (0.119 R)
• M12: 9,198,175 km (0.093 R)
• M13: 9,938,086 km (0.098 R)
• M14: 10,968,815 km (0.109 R)
• M15: 11,853,986 km (0.038 R)
• M16: 12,674,081 km (0.06 R)
• M17: 13,069,468 km (0.114 R)
• M18: 18,335,463 km (0.117 R)
• M19: 20,033,399 km (0.1 R)
• M20: 22,157,389 km (0.12 R)
• M21: 24,254,004 km (0.117 R)
• M22: 26,388,017 km (0.112 R)
• M23: 27,406,779 km (0.091 R)
• M24: 31,435,449 km (0.058 R)
• M25: 33,859,982 km (0.043 R)
• M26: 34,185,208 km (0.118 R)
• M27: 37,900,920 km (0.069 R)
• M28: 38,486,446 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 10.4

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.62 AU - 9.02 AU

Year: 9206 Days

Day: 9 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,364,255 km

• M1: 129,701 km (0.061 R)
• M2: 919,429 km (0.064 R)
• M3: 1,637,349 km (0.052 R)
• M4: 2,127,282 km (0.105 R)
• M5: 2,823,959 km (0.098 R)
• M6: 3,154,720 km (0.111 R)
• M7: 4,207,739 km (0.074 R)
• M8: 7,790,608 km (0.071 R)
• M9: 8,446,894 km (0.115 R)
• M10: 11,691,971 km (0.117 R)
• M11: 12,295,150 km (0.086 R)
• M12: 15,034,137 km (0.107 R)
• M13: 16,608,206 km (0.095 R)
• M14: 17,629,810 km (0.098 R)
• M15: 18,490,297 km (0.111 R)
• M16: 27,978,542 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865

Radius: 8.2

Gravity: 12.86 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.85 AU - 9.27 AU

Year: 9585 Days

Day: 11.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,364,255 km

• M1: 102,175 km (0.067 R)
• M2: 468,989 km (0.103 R)
• M3: 1,005,896 km (0.061 R)
• M4: 1,795,773 km (0.102 R)
• M5: 2,486,317 km (0.115 R)
• M6: 3,465,734 km (0.085 R)
• M7: 6,927,429 km (0.069 R)
• M8: 7,928,837 km (0.11 R)
• M9: 8,328,263 km (0.083 R)
• M10: 9,023,744 km (0.07 R)
• M11: 9,557,958 km (0.047 R)
• M12: 11,793,399 km (0.064 R)
• M13: 13,093,554 km (0.075 R)
• M14: 24,508,769 km (0.097 R)
• M15: 25,166,700 km (0.099 R)
• M16: 28,945,243 km (0.064 R)
• M17: 42,384,218 km (0.091 R)
• M18: 43,059,653 km (0.088 R)
• M19: 44,017,229 km (0.103 R)
• M20: 48,871,380 km (0.104 R)

Kuiper Belt

Range: 31.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 15,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit