🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.44 AU - 0.6 AU

Year: 135 Days

Day: 35.4 Hours

Environment

Temp: 230 °C

Axial Tilt: 27.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.57 AU - 0.69 AU

Year: 180 Days

Day: 27.9 Hours

Environment

Temp: 203 °C

Axial Tilt: 43.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.6 AU - 0.84 AU

Year: 220 Days

Day: 43.7 Hours

Environment

Temp: 144 °C

Axial Tilt: 44.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,203,127 km

• M1: 111,750 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.93 AU - 1.49 AU

Year: 479 Days

Day: 45.8 Hours

Environment

Temp: 1 °C

Axial Tilt: 13.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 53,203,127 km

• M1: 276,906 km (0.081 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.48 AU - 2.32 AU

Year: 943 Days

Day: 47.2 Hours

Environment

Temp: -50 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.02 AU - 4.32 AU

Year: 3065 Days

Day: 46.3 Hours

Environment

Temp: -117 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,203,127 km

• M1: 1,412,952 km (0.094 R)

Asteroid Belt

Center: 6.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.8

Radius: 8.6

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.09 AU - 9.49 AU

Year: 10190 Days

Day: 6.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,203,127 km

• M1: 107,112 km (0.083 R)
• M2: 431,291 km (0.086 R)
• M3: 761,453 km (0.091 R)
• M4: 1,041,500 km (0.12 R)
• M5: 1,603,240 km (0.1 R)
• M6: 2,111,125 km (0.09 R)
• M7: 2,554,384 km (0.117 R)
• M8: 3,128,989 km (0.117 R)
• M9: 3,523,778 km (0.118 R)
• M10: 4,383,666 km (0.082 R)
• M11: 4,847,121 km (0.086 R)
• M12: 5,274,671 km (0.101 R)
• M13: 5,799,311 km (0.105 R)
• M14: 6,358,209 km (0.051 R)
• M15: 7,034,541 km (0.095 R)
• M16: 9,253,077 km (0.087 R)
• M17: 10,068,685 km (0.074 R)
• M18: 10,986,767 km (0.111 R)
• M19: 11,959,751 km (0.045 R)
• M20: 12,316,393 km (0.083 R)
• M21: 12,741,550 km (0.096 R)
• M22: 13,176,580 km (0.097 R)
• M23: 13,814,915 km (0.101 R)
• M24: 14,608,232 km (0.036 R)
• M25: 16,140,713 km (0.048 R)
• M26: 17,624,424 km (0.105 R)
• M27: 38,929,555 km (0.068 R)
• M28: 44,500,131 km (0.105 R)
• M29: 46,517,607 km (0.104 R)
• M30: 47,548,935 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.4

Radius: 5.2

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 17.42 AU - 17.84 AU

Year: 26641 Days

Day: 20.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,203,127 km

• M1: 64,925 km (0.073 R)
• M2: 272,867 km (0.111 R)
• M3: 576,251 km (0.099 R)
• M4: 767,587 km (0.091 R)
• M5: 1,663,229 km (0.1 R)
• M6: 2,176,350 km (0.079 R)
• M7: 2,340,758 km (0.026 R)
• M8: 5,274,671 km (0.082 R)
• M9: 6,244,365 km (0.087 R)
• M10: 8,632,096 km (0.076 R)
• M11: 9,420,028 km (0.088 R)
• M12: 9,637,992 km (0.119 R)
• M13: 11,816,885 km (0.09 R)
• M14: 15,706,879 km (0.064 R)
• M15: 16,168,388 km (0.076 R)
• M16: 16,957,667 km (0.076 R)
• M17: 18,612,668 km (0.087 R)
• M18: 18,869,976 km (0.1 R)
• M19: 19,042,762 km (0.114 R)
• M20: 20,372,537 km (0.116 R)
• M21: 25,042,384 km (0.116 R)
• M22: 27,072,427 km (0.119 R)
• M23: 27,402,740 km (0.113 R)
• M24: 29,094,392 km (0.075 R)
• M25: 30,735,032 km (0.064 R)
• M26: 33,058,885 km (0.038 R)
• M27: 33,689,291 km (0.105 R)
• M28: 49,831,500 km (0.116 R)
• M29: 52,344,594 km (0.116 R)
• M30: 56,181,181 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.4

Radius: 7.3

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 19.82 AU - 20.18 AU

Year: 32190 Days

Day: 22 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,203,127 km

• M1: 91,404 km (0.073 R)
• M2: 7,053,689 km (0.057 R)
• M3: 10,346,787 km (0.109 R)
• M4: 14,744,217 km (0.072 R)
• M5: 21,266,085 km (0.108 R)
• M6: 37,913,187 km (0.062 R)
• M7: 44,064,352 km (0.083 R)
• M8: 51,938,586 km (0.094 R)

Kuiper Belt

Range: 30.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 15,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit