🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.55 AU - 0.67 AU

Year: 167 Days

Day: 15.6 Hours

Environment

Temp: 200 °C

Axial Tilt: 9.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.54 AU - 0.78 AU

Year: 188 Days

Day: 31.8 Hours

Environment

Temp: 175 °C

Axial Tilt: 29.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.62 AU - 1.02 AU

Year: 261 Days

Day: 18.1 Hours

Environment

Temp: 154 °C

Axial Tilt: 36 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 47,478,473 km

• M1: 22,888 km (0.075 R)
• M2: 51,312 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.83 AU - 2.57 AU

Year: 1147 Days

Day: 18.5 Hours

Environment

Temp: -72 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.01 AU - 3.29 AU

Year: 1965 Days

Day: 15.4 Hours

Environment

Temp: -97 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.91 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.2

Radius: 8

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.06 AU - 8.28 AU

Year: 6054 Days

Day: 13.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,478,473 km

• M1: 99,483 km (0.116 R)
• M2: 422,764 km (0.111 R)
• M3: 884,722 km (0.108 R)
• M4: 1,566,439 km (0.086 R)
• M5: 2,127,282 km (0.051 R)
• M6: 2,403,290 km (0.044 R)
• M7: 2,703,533 km (0.114 R)
• M8: 3,554,296 km (0.111 R)
• M9: 3,993,366 km (0.119 R)
• M10: 4,787,132 km (0.051 R)
• M11: 5,323,141 km (0.108 R)
• M12: 6,152,960 km (0.101 R)
• M13: 7,500,089 km (0.091 R)
• M14: 10,165,475 km (0.091 R)
• M15: 12,498,752 km (0.072 R)
• M16: 15,706,879 km (0.079 R)
• M17: 16,383,510 km (0.071 R)
• M18: 18,530,539 km (0.093 R)
• M19: 18,939,988 km (0.08 R)
• M20: 20,784,979 km (0.071 R)
• M21: 25,915,587 km (0.097 R)
• M22: 26,513,979 km (0.064 R)
• M23: 28,817,337 km (0.073 R)
• M24: 32,814,592 km (0.037 R)
• M25: 33,414,330 km (0.059 R)
• M26: 34,021,249 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.2

Radius: 11.5

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.71 AU - 10.47 AU

Year: 9632 Days

Day: 9.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,478,473 km

• M1: 143,016 km (0.117 R)
• M2: 558,598 km (0.12 R)
• M3: 1,232,238 km (0.101 R)
• M4: 1,914,703 km (0.111 R)
• M5: 3,255,100 km (0.04 R)
• M6: 4,592,355 km (0.111 R)
• M7: 5,079,596 km (0.041 R)
• M8: 6,675,506 km (0.103 R)
• M9: 7,383,253 km (0.075 R)
• M10: 8,995,021 km (0.086 R)
• M11: 10,568,192 km (0.096 R)
• M12: 12,607,510 km (0.119 R)
• M13: 15,831,045 km (0.068 R)
• M14: 19,645,940 km (0.085 R)
• M15: 22,190,301 km (0.11 R)
• M16: 29,446,695 km (0.068 R)
• M17: 34,002,998 km (0.107 R)
• M18: 36,092,132 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.4

Radius: 6.5

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 11.54 AU - 17.76 AU

Year: 19708 Days

Day: 19.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,478,473 km

• M1: 80,932 km (0.092 R)
• M2: 293,810 km (0.092 R)
• M3: 513,569 km (0.082 R)
• M4: 719,865 km (0.041 R)
• M5: 952,938 km (0.084 R)
• M6: 1,678,039 km (0.046 R)
• M7: 2,061,159 km (0.078 R)
• M8: 2,702,186 km (0.108 R)
• M9: 3,955,368 km (0.088 R)
• M10: 5,657,193 km (0.116 R)
• M11: 6,900,351 km (0.113 R)
• M12: 9,864,932 km (0.054 R)
• M13: 10,733,797 km (0.074 R)
• M14: 11,268,011 km (0.078 R)
• M15: 11,708,128 km (0.069 R)
• M16: 13,831,670 km (0.092 R)
• M17: 14,593,123 km (0.103 R)
• M18: 16,477,906 km (0.067 R)
• M19: 16,689,138 km (0.109 R)
• M20: 17,551,720 km (0.045 R)
• M21: 22,314,916 km (0.105 R)
• M22: 22,746,955 km (0.114 R)
• M23: 23,627,637 km (0.051 R)
• M24: 31,942,586 km (0.066 R)
• M25: 34,864,532 km (0.083 R)
• M26: 37,593,795 km (0.112 R)
• M27: 46,350,058 km (0.108 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: 383 - 12,207 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit