🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.6 AU - 0.88 AU

Year: 233 Days

Day: 28.3 Hours

Environment

Temp: 191 °C

Axial Tilt: 15.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.93 AU - 0.97 AU

Year: 338 Days

Day: 33.9 Hours

Environment

Temp: 23 °C

Axial Tilt: 39.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.95 AU - 1.15 AU

Year: 393 Days

Day: 27.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 16.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.04 AU - 1.06 AU

Year: 393 Days

Day: 21.4 Hours

Environment

Temp: 35 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.81 AU - 2.15 AU

Year: 1018 Days

Day: 47.7 Hours

Environment

Temp: -59 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,916,024 km

• M1: 37,100 km (0.088 R)
• M2: 60,138 km (0.077 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.99 AU - 4.73 AU

Year: 3325 Days

Day: 21.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,916,024 km

• M1: 40,242 km (0.099 R)
• M2: 1,122,283 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.1

Radius: 12.1

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.08 AU - 6.42 AU

Year: 5036 Days

Day: 12.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,916,024 km

• M1: 150,495 km (0.087 R)
• M2: 795,861 km (0.101 R)
• M3: 1,201,869 km (0.062 R)
• M4: 3,817,289 km (0.106 R)
• M5: 4,608,961 km (0.094 R)
• M6: 5,150,655 km (0.037 R)
• M7: 5,763,408 km (0.103 R)
• M8: 6,838,268 km (0.072 R)
• M9: 7,406,441 km (0.106 R)
• M10: 8,042,082 km (0.09 R)
• M11: 9,708,752 km (0.114 R)
• M12: 12,210,328 km (0.112 R)
• M13: 12,748,132 km (0.027 R)
• M14: 13,250,631 km (0.042 R)
• M15: 20,631,342 km (0.054 R)
• M16: 21,748,239 km (0.117 R)
• M17: 25,657,232 km (0.042 R)
• M18: 26,216,877 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.1

Radius: 12.1

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.96 AU - 8.22 AU

Year: 6179 Days

Day: 7.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,916,024 km

• M1: 155,133 km (0.076 R)
• M2: 1,054,366 km (0.037 R)
• M3: 1,656,048 km (0.095 R)
• M4: 2,494,245 km (0.101 R)
• M5: 3,010,208 km (0.101 R)
• M6: 5,051,322 km (0.082 R)
• M7: 8,236,859 km (0.052 R)
• M8: 8,781,395 km (0.119 R)
• M9: 9,544,793 km (0.084 R)
• M10: 11,291,647 km (0.072 R)
• M11: 12,102,169 km (0.06 R)
• M12: 15,247,015 km (0.103 R)
• M13: 16,805,675 km (0.069 R)
• M14: 17,982,412 km (0.092 R)
• M15: 18,590,827 km (0.082 R)
• M16: 21,230,631 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.4

Radius: 3.8

Gravity: 32.3 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 16.9 AU - 17.1 AU

Year: 25601 Days

Day: 17.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,916,024 km

• M1: 47,273 km (0.066 R)
• M2: 268,379 km (0.061 R)
• M3: 605,423 km (0.092 R)
• M4: 887,115 km (0.11 R)
• M5: 1,019,360 km (0.052 R)
• M6: 1,137,542 km (0.095 R)
• M7: 2,881,554 km (0.116 R)
• M8: 3,202,142 km (0.116 R)
• M9: 3,757,749 km (0.117 R)
• M10: 4,409,248 km (0.089 R)
• M11: 6,144,433 km (0.062 R)
• M12: 6,629,130 km (0.062 R)
• M13: 8,393,488 km (0.098 R)
• M14: 8,606,964 km (0.069 R)
• M15: 8,989,336 km (0.045 R)
• M16: 10,819,965 km (0.115 R)
• M17: 12,674,380 km (0.096 R)
• M18: 13,097,593 km (0.1 R)
• M19: 16,410,587 km (0.101 R)
• M20: 17,512,376 km (0.103 R)
• M21: 18,482,368 km (0.098 R)
• M22: 19,394,915 km (0.108 R)
• M23: 19,862,259 km (0.094 R)
• M24: 25,286,378 km (0.111 R)
• M25: 27,800,819 km (0.084 R)
• M26: 28,275,194 km (0.091 R)
• M27: 36,193,858 km (0.069 R)
• M28: 36,901,756 km (0.11 R)
• M29: 41,651,638 km (0.08 R)
• M30: 41,961,305 km (0.039 R)
• M31: 44,494,595 km (0.025 R)
• M32: 45,634,082 km (0.107 R)
• M33: 54,530,369 km (0.034 R)
• M34: 55,834,862 km (0.099 R)
• M35: 56,022,907 km (0.115 R)
• M36: 61,261,375 km (0.066 R)
• M37: 62,670,886 km (0.118 R)
• M38: 71,806,230 km (0.101 R)
• M39: 72,698,581 km (0.05 R)
• M40: 76,805,641 km (0.119 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: 219 - 11,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit