🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.4 AU - 0.62 AU

Year: 133 Days

Day: 39.8 Hours

Environment

Temp: 236 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.6 AU - 0.7 AU

Year: 191 Days

Day: 36.1 Hours

Environment

Temp: 140 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.61 AU - 0.75 AU

Year: 205 Days

Day: 26.9 Hours

Environment

Temp: 178 °C

Axial Tilt: 44.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 70,668,625 km

• M1: 245,341 km (0.097 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.61 AU - 0.89 AU

Year: 237 Days

Day: 17.8 Hours

Environment

Temp: 147 °C

Axial Tilt: 107.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.11 AU - 3.99 AU

Year: 2443 Days

Day: 34.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.3

Radius: 12.5

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.95 AU - 5.39 AU

Year: 4294 Days

Day: 10.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,668,625 km

• M1: 161,566 km (0.113 R)
• M2: 671,994 km (0.107 R)
• M3: 1,103,434 km (0.081 R)
• M4: 1,750,744 km (0.113 R)
• M5: 2,170,366 km (0.092 R)
• M6: 2,919,402 km (0.076 R)
• M7: 4,217,762 km (0.078 R)
• M8: 5,089,020 km (0.104 R)
• M9: 6,076,815 km (0.086 R)
• M10: 7,391,930 km (0.099 R)
• M11: 8,619,680 km (0.077 R)
• M12: 13,220,562 km (0.119 R)
• M13: 13,682,820 km (0.112 R)
• M14: 14,102,890 km (0.11 R)
• M15: 14,858,509 km (0.081 R)
• M16: 18,091,319 km (0.088 R)
• M17: 20,039,233 km (0.092 R)
• M18: 20,650,041 km (0.106 R)
• M19: 21,624,671 km (0.104 R)
• M20: 24,733,166 km (0.108 R)
• M21: 28,127,990 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.8

Radius: 9.4

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.69 AU - 9.31 AU

Year: 9051 Days

Day: 14.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 83 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,668,625 km

• M1: 163,959 km (0.072 R)
• M2: 584,479 km (0.093 R)
• M3: 1,055,114 km (0.099 R)
• M4: 1,388,867 km (0.096 R)
• M5: 6,548,497 km (0.11 R)
• M6: 9,052,616 km (0.092 R)
• M7: 10,517,628 km (0.07 R)
• M8: 11,985,482 km (0.101 R)
• M9: 12,385,507 km (0.091 R)
• M10: 12,794,507 km (0.09 R)
• M11: 18,629,273 km (0.055 R)
• M12: 19,852,535 km (0.106 R)
• M13: 27,552,487 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51

Radius: 10.6

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 10.27 AU - 12.91 AU

Year: 14412 Days

Day: 9.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,668,625 km

• M1: 151,094 km (0.112 R)
• M2: 687,701 km (0.119 R)
• M3: 1,051,673 km (0.056 R)
• M4: 1,757,775 km (0.092 R)
• M5: 2,181,137 km (0.072 R)
• M6: 2,655,811 km (0.106 R)
• M7: 3,217,551 km (0.094 R)
• M8: 3,648,393 km (0.091 R)
• M9: 7,064,311 km (0.057 R)
• M10: 8,650,497 km (0.087 R)
• M11: 10,007,499 km (0.117 R)
• M12: 10,378,352 km (0.109 R)
• M13: 12,092,594 km (0.086 R)
• M14: 13,484,303 km (0.086 R)
• M15: 16,870,900 km (0.107 R)
• M16: 17,693,987 km (0.116 R)
• M17: 19,356,768 km (0.057 R)
• M18: 25,118,380 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.9

Radius: 4.3

Gravity: 15.52 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 17.83 AU - 17.97 AU

Year: 27661 Days

Day: 19.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,668,625 km

• M1: 86,916 km (0.12 R)
• M2: 268,827 km (0.06 R)
• M3: 1,458,878 km (0.097 R)
• M4: 3,487,276 km (0.114 R)
• M5: 5,946,515 km (0.115 R)
• M6: 6,109,876 km (0.113 R)
• M7: 6,531,293 km (0.114 R)
• M8: 9,201,915 km (0.039 R)
• M9: 12,060,281 km (0.099 R)
• M10: 12,521,192 km (0.116 R)
• M11: 20,540,236 km (0.066 R)
• M12: 26,082,389 km (0.065 R)
• M13: 26,963,371 km (0.067 R)
• M14: 44,035,180 km (0.025 R)
• M15: 48,834,879 km (0.065 R)
• M16: 50,509,178 km (0.112 R)
• M17: 57,589,346 km (0.072 R)
• M18: 60,597,161 km (0.108 R)
• M19: 69,405,184 km (0.073 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 19,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit