🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.45 AU - 0.69 AU

Year: 165 Days

Day: 42.4 Hours

Environment

Temp: 208 °C

Axial Tilt: 38.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.48 AU - 0.72 AU

Year: 178 Days

Day: 45.2 Hours

Environment

Temp: 162 °C

Axial Tilt: 1.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,667,069 km

• M1: 458,218 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.68 AU - 1.08 AU

Year: 316 Days

Day: 32.2 Hours

Environment

Temp: 29 °C

Axial Tilt: 39.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.99 AU - 2.95 AU

Year: 1486 Days

Day: 23.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 42.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,667,069 km

• M1: 546,032 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.21 AU - 3.27 AU

Year: 1737 Days

Day: 47.7 Hours

Environment

Temp: -113 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.75 AU - 3.81 AU

Year: 2814 Days

Day: 42.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.6

Radius: 13.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.98 AU - 11.44 AU

Year: 12491 Days

Day: 13 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,667,069 km

• M1: 210,185 km (0.113 R)
• M2: 657,183 km (0.065 R)
• M3: 1,430,156 km (0.088 R)
• M4: 5,359,942 km (0.061 R)
• M5: 6,842,008 km (0.079 R)
• M6: 8,829,416 km (0.065 R)
• M7: 11,422,246 km (0.069 R)
• M8: 12,284,977 km (0.111 R)
• M9: 13,355,350 km (0.026 R)
• M10: 15,619,962 km (0.097 R)
• M11: 19,093,326 km (0.073 R)
• M12: 31,168,417 km (0.117 R)
• M13: 34,076,151 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.8

Radius: 3.6

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 15.25 AU - 16.25 AU

Year: 23933 Days

Day: 25 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,667,069 km

• M1: 45,927 km (0.078 R)
• M2: 210,035 km (0.101 R)
• M3: 328,517 km (0.072 R)
• M4: 696,079 km (0.114 R)
• M5: 1,118,842 km (0.115 R)
• M6: 1,722,919 km (0.079 R)
• M7: 3,858,279 km (0.111 R)
• M8: 5,192,243 km (0.091 R)
• M9: 7,705,038 km (0.05 R)
• M10: 8,162,060 km (0.036 R)
• M11: 8,903,467 km (0.107 R)
• M12: 14,879,303 km (0.059 R)
• M13: 16,316,041 km (0.089 R)
• M14: 19,160,495 km (0.108 R)
• M15: 20,778,396 km (0.048 R)
• M16: 20,936,970 km (0.09 R)
• M17: 22,235,629 km (0.111 R)
• M18: 27,014,084 km (0.081 R)
• M19: 27,393,016 km (0.064 R)
• M20: 28,453,365 km (0.069 R)
• M21: 30,964,515 km (0.111 R)
• M22: 31,798,224 km (0.108 R)
• M23: 37,350,998 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.5

Radius: 8

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 16.96 AU - 19.48 AU

Year: 29778 Days

Day: 20.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,667,069 km

• M1: 99,483 km (0.05 R)
• M2: 476,768 km (0.063 R)
• M3: 2,584,004 km (0.112 R)
• M4: 4,010,270 km (0.104 R)
• M5: 5,975,687 km (0.098 R)
• M6: 6,908,430 km (0.103 R)
• M7: 8,362,970 km (0.083 R)
• M8: 9,740,467 km (0.111 R)
• M9: 10,624,740 km (0.053 R)
• M10: 11,501,383 km (0.039 R)
• M11: 14,420,636 km (0.084 R)
• M12: 15,130,628 km (0.052 R)
• M13: 16,697,217 km (0.118 R)
• M14: 19,373,074 km (0.076 R)
• M15: 19,715,653 km (0.096 R)
• M16: 21,672,992 km (0.117 R)
• M17: 23,756,291 km (0.106 R)
• M18: 35,558,067 km (0.094 R)
• M19: 42,486,693 km (0.115 R)
• M20: 42,775,267 km (0.075 R)
• M21: 44,238,334 km (0.113 R)
• M22: 45,432,574 km (0.076 R)
• M23: 47,729,500 km (0.104 R)
• M24: 55,082,834 km (0.072 R)
• M25: 61,114,620 km (0.102 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 10,412 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit