🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.47 AU - 0.53 AU

Year: 127 Days

Day: 24.6 Hours

Environment

Temp: 192 °C

Axial Tilt: 9.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,596,578 km

• M1: 46,675 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.89 AU - 1.07 AU

Year: 349 Days

Day: 39.6 Hours

Environment

Temp: 130 °C

Axial Tilt: 47.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.23 AU - 1.27 AU

Year: 503 Days

Day: 19.5 Hours

Environment

Temp: 14 °C

Axial Tilt: 47.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 87,596,578 km

• M1: 81,830 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.65 AU - 1.79 AU

Year: 812 Days

Day: 18.9 Hours

Environment

Temp: -54 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 87,596,578 km

• M1: 91,255 km (0.07 R)
• M2: 165,306 km (0.037 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.81 AU - 2.61 AU

Year: 1182 Days

Day: 24.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.95 AU - 3.01 AU

Year: 1406 Days

Day: 47.4 Hours

Environment

Temp: -84 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,596,578 km

• M1: 778,507 km (0.08 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.33 AU - 3.65 AU

Year: 2346 Days

Day: 44 Hours

Environment

Temp: -120 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.6

Radius: 8

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 11.35 AU - 14.69 AU

Year: 16908 Days

Day: 20.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 87,596,578 km

• M1: 101,427 km (0.111 R)
• M2: 795,861 km (0.092 R)
• M3: 1,502,262 km (0.101 R)
• M4: 2,084,347 km (0.106 R)
• M5: 2,351,828 km (0.111 R)
• M6: 2,642,347 km (0.061 R)
• M7: 3,058,678 km (0.078 R)
• M8: 4,374,242 km (0.098 R)
• M9: 5,828,931 km (0.09 R)
• M10: 6,932,365 km (0.069 R)
• M11: 9,771,583 km (0.111 R)
• M12: 12,687,096 km (0.058 R)
• M13: 13,304,935 km (0.075 R)
• M14: 16,698,862 km (0.107 R)
• M15: 19,346,745 km (0.091 R)
• M16: 20,629,397 km (0.065 R)
• M17: 21,006,084 km (0.076 R)
• M18: 21,773,222 km (0.107 R)
• M19: 23,772,747 km (0.118 R)
• M20: 24,711,175 km (0.119 R)
• M21: 25,457,967 km (0.09 R)
• M22: 28,133,076 km (0.059 R)
• M23: 28,713,067 km (0.088 R)
• M24: 31,608,534 km (0.101 R)
• M25: 34,428,604 km (0.119 R)
• M26: 36,444,884 km (0.117 R)
• M27: 39,832,527 km (0.115 R)
• M28: 41,155,122 km (0.062 R)
• M29: 46,577,895 km (0.042 R)
• M30: 51,244,601 km (0.084 R)
• M31: 63,855,851 km (0.099 R)
• M32: 64,455,439 km (0.05 R)
• M33: 70,233,807 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.3

Radius: 6.8

Gravity: 14.54 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 15.59 AU - 18.15 AU

Year: 24937 Days

Day: 19.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,596,578 km

• M1: 113,246 km (0.074 R)
• M2: 816,655 km (0.036 R)
• M3: 1,177,335 km (0.103 R)
• M4: 1,605,036 km (0.05 R)
• M5: 1,826,291 km (0.111 R)
• M6: 2,447,421 km (0.116 R)
• M7: 2,952,164 km (0.057 R)
• M8: 5,643,430 km (0.091 R)
• M9: 6,614,619 km (0.119 R)
• M10: 7,953,221 km (0.084 R)
• M11: 9,054,860 km (0.114 R)
• M12: 9,345,379 km (0.082 R)
• M13: 9,945,266 km (0.041 R)
• M14: 11,968,428 km (0.081 R)
• M15: 15,289,052 km (0.087 R)
• M16: 17,694,586 km (0.068 R)
• M17: 19,367,688 km (0.057 R)
• M18: 21,966,652 km (0.079 R)
• M19: 22,704,170 km (0.101 R)
• M20: 34,549,628 km (0.03 R)
• M21: 36,124,744 km (0.06 R)
• M22: 37,151,584 km (0.098 R)
• M23: 37,448,536 km (0.106 R)
• M24: 46,077,191 km (0.099 R)
• M25: 49,223,983 km (0.054 R)
• M26: 57,711,418 km (0.084 R)
• M27: 60,129,069 km (0.066 R)
• M28: 61,362,803 km (0.114 R)
• M29: 86,550,596 km (0.065 R)

Kuiper Belt

Range: 30.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 13,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit