🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.48 AU - 0.76 AU

Year: 173 Days

Day: 40.7 Hours

Environment

Temp: 181 °C

Axial Tilt: 13.8 °

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: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.63 AU - 0.63 AU

Year: 177 Days

Day: 38.9 Hours

Environment

Temp: 224 °C

Axial Tilt: 0.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.1 AU - 1.3 AU

Year: 466 Days

Day: 28.5 Hours

Environment

Temp: 29 °C

Axial Tilt: 2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 89,005,102 km

• M1: 53,406 km (0.059 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.11 AU - 1.55 AU

Year: 544 Days

Day: 42.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 7.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 89,005,102 km

• M1: 68,815 km (0.088 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.44 AU - 2.18 AU

Year: 864 Days

Day: 23.3 Hours

Environment

Temp: -37 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.8

Radius: 14.8

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.98 AU - 10.38 AU

Year: 10684 Days

Day: 10.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,005,102 km

• M1: 184,155 km (0.097 R)
• M2: 2,724,327 km (0.096 R)
• M3: 4,521,296 km (0.113 R)
• M4: 5,500,265 km (0.093 R)
• M5: 11,968,727 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.2

Radius: 5.1

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 11.43 AU - 16.45 AU

Year: 18464 Days

Day: 24.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,005,102 km

• M1: 65,673 km (0.071 R)
• M2: 392,096 km (0.107 R)
• M3: 791,522 km (0.077 R)
• M4: 1,414,897 km (0.108 R)
• M5: 2,191,459 km (0.04 R)
• M6: 3,314,191 km (0.089 R)
• M7: 3,483,536 km (0.114 R)
• M8: 4,836,350 km (0.114 R)
• M9: 5,086,328 km (0.115 R)
• M10: 7,205,232 km (0.046 R)
• M11: 10,664,084 km (0.078 R)
• M12: 11,633,778 km (0.087 R)
• M13: 13,076,200 km (0.055 R)
• M14: 16,660,864 km (0.107 R)
• M15: 21,933,441 km (0.105 R)
• M16: 24,212,266 km (0.053 R)
• M17: 24,851,647 km (0.065 R)
• M18: 25,036,400 km (0.032 R)
• M19: 35,606,088 km (0.095 R)
• M20: 36,671,076 km (0.104 R)
• M21: 38,123,821 km (0.11 R)
• M22: 40,501,978 km (0.112 R)
• M23: 41,014,949 km (0.09 R)
• M24: 41,273,005 km (0.066 R)
• M25: 43,644,880 km (0.069 R)
• M26: 44,319,566 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.3

Radius: 6.7

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 15.94 AU - 25.1 AU

Year: 32976 Days

Day: 22.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,005,102 km

• M1: 83,326 km (0.036 R)
• M2: 306,975 km (0.091 R)
• M3: 722,558 km (0.108 R)
• M4: 1,004,550 km (0.029 R)
• M5: 1,439,580 km (0.117 R)
• M6: 2,389,377 km (0.092 R)
• M7: 2,997,044 km (0.094 R)
• M8: 3,221,141 km (0.113 R)
• M9: 3,517,046 km (0.1 R)
• M10: 3,830,902 km (0.051 R)
• M11: 4,232,124 km (0.098 R)
• M12: 5,647,170 km (0.093 R)
• M13: 6,078,311 km (0.041 R)
• M14: 7,972,220 km (0.041 R)
• M15: 8,626,262 km (0.082 R)
• M16: 10,544,855 km (0.099 R)
• M17: 10,933,959 km (0.039 R)
• M18: 11,467,425 km (0.072 R)
• M19: 12,158,567 km (0.101 R)
• M20: 13,472,186 km (0.069 R)
• M21: 15,615,923 km (0.101 R)
• M22: 17,165,159 km (0.101 R)
• M23: 24,278,687 km (0.103 R)
• M24: 28,664,448 km (0.112 R)
• M25: 31,507,705 km (0.103 R)
• M26: 35,535,329 km (0.037 R)
• M27: 39,426,818 km (0.107 R)
• M28: 42,281,295 km (0.114 R)
• M29: 48,932,865 km (0.118 R)
• M30: 62,770,369 km (0.106 R)
• M31: 70,232,760 km (0.085 R)
• M32: 70,460,747 km (0.11 R)
• M33: 71,608,162 km (0.095 R)
• M34: 75,842,081 km (0.056 R)
• M35: 76,082,186 km (0.065 R)
• M36: 76,322,590 km (0.045 R)
• M37: 85,582,099 km (0.077 R)

Kuiper Belt

Range: 30.9 - 57.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 12,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit