🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.58 AU - 0.62 AU

Year: 172 Days

Day: 15 Hours

Environment

Temp: 140 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,449,430 km

• M1: 145,708 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.3 AU - 1.36 AU

Year: 569 Days

Day: 47.6 Hours

Environment

Temp: -18 °C

Axial Tilt: 43.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.25 AU - 1.45 AU

Year: 582 Days

Day: 26.1 Hours

Environment

Temp: -33 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.38 AU - 1.72 AU

Year: 716 Days

Day: 43.8 Hours

Environment

Temp: -55 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.58 AU - 2.06 AU

Year: 911 Days

Day: 30.8 Hours

Environment

Temp: -60 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.12 AU - 4.34 AU

Year: 3226 Days

Day: 39.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.7

Radius: 10.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.8 AU - 5.7 AU

Year: 4461 Days

Day: 10.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,449,430 km

• M1: 134,339 km (0.046 R)
• M2: 535,860 km (0.088 R)
• M3: 923,767 km (0.078 R)
• M4: 1,348,475 km (0.12 R)
• M5: 1,729,052 km (0.118 R)
• M6: 2,194,900 km (0.061 R)
• M7: 2,651,323 km (0.093 R)
• M8: 3,001,382 km (0.111 R)
• M9: 4,221,802 km (0.102 R)
• M10: 4,679,571 km (0.035 R)
• M11: 5,243,106 km (0.044 R)
• M12: 6,282,811 km (0.097 R)
• M13: 6,620,155 km (0.093 R)
• M14: 7,058,925 km (0.094 R)
• M15: 7,833,393 km (0.093 R)
• M16: 8,629,254 km (0.093 R)
• M17: 11,716,954 km (0.065 R)
• M18: 13,163,117 km (0.107 R)
• M19: 13,858,448 km (0.099 R)
• M20: 14,432,305 km (0.085 R)
• M21: 16,512,912 km (0.1 R)
• M22: 17,103,525 km (0.089 R)
• M23: 18,384,082 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.7

Radius: 14.5

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.08 AU - 7.16 AU

Year: 5615 Days

Day: 6.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,449,430 km

• M1: 184,005 km (0.074 R)
• M2: 808,277 km (0.072 R)
• M3: 1,310,029 km (0.085 R)
• M4: 2,026,004 km (0.1 R)
• M5: 2,935,409 km (0.041 R)
• M6: 4,005,333 km (0.077 R)
• M7: 4,617,637 km (0.041 R)
• M8: 5,777,470 km (0.112 R)
• M9: 8,753,121 km (0.1 R)
• M10: 9,566,933 km (0.083 R)
• M11: 10,809,793 km (0.072 R)
• M12: 11,296,584 km (0.078 R)
• M13: 12,314,298 km (0.09 R)
• M14: 16,298,987 km (0.053 R)
• M15: 17,201,362 km (0.116 R)
• M16: 18,479,077 km (0.066 R)
• M17: 22,221,567 km (0.07 R)
• M18: 22,771,937 km (0.118 R)
• M19: 29,441,759 km (0.118 R)
• M20: 30,974,838 km (0.075 R)
• M21: 31,464,621 km (0.092 R)
• M22: 33,681,661 km (0.115 R)
• M23: 35,145,477 km (0.095 R)
• M24: 35,893,316 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.9

Radius: 4.8

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 14.13 AU - 19.15 AU

Year: 25173 Days

Day: 20.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,449,430 km

• M1: 131,197 km (0.119 R)
• M2: 281,543 km (0.11 R)
• M3: 646,263 km (0.091 R)
• M4: 1,166,115 km (0.095 R)
• M5: 1,341,145 km (0.114 R)
• M6: 1,927,120 km (0.089 R)
• M7: 2,277,478 km (0.042 R)
• M8: 2,649,528 km (0.108 R)
• M9: 3,327,505 km (0.09 R)
• M10: 6,945,979 km (0.037 R)
• M11: 7,887,249 km (0.117 R)
• M12: 9,179,924 km (0.105 R)
• M13: 9,828,879 km (0.089 R)
• M14: 14,256,378 km (0.1 R)
• M15: 14,873,469 km (0.117 R)
• M16: 15,508,362 km (0.094 R)
• M17: 17,174,135 km (0.109 R)
• M18: 19,550,647 km (0.094 R)
• M19: 26,385,923 km (0.068 R)
• M20: 27,314,926 km (0.119 R)
• M21: 27,882,799 km (0.113 R)
• M22: 28,944,046 km (0.12 R)
• M23: 29,139,870 km (0.065 R)
• M24: 35,211,150 km (0.079 R)
• M25: 39,614,713 km (0.107 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 18,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit