🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.55 AU - 0.61 AU

Year: 161 Days

Day: 41.2 Hours

Environment

Temp: 238 °C

Axial Tilt: 3.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.45 AU - 0.73 AU

Year: 166 Days

Day: 18.7 Hours

Environment

Temp: 186 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.23 AU - 1.49 AU

Year: 579 Days

Day: 37.6 Hours

Environment

Temp: -17 °C

Axial Tilt: 13.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 110,076,613 km

• M1: 114,592 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.05 AU - 5.37 AU

Year: 3734 Days

Day: 35.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.5

Radius: 8.5

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.86 AU - 10.84 AU

Year: 10443 Days

Day: 11 Hours

Environment

Temp: -167 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 110,076,613 km

• M1: 109,805 km (0.08 R)
• M2: 393,891 km (0.102 R)
• M3: 802,443 km (0.049 R)
• M4: 1,195,586 km (0.099 R)
• M5: 1,657,395 km (0.116 R)
• M6: 2,715,351 km (0.082 R)
• M7: 3,001,980 km (0.097 R)
• M8: 3,354,433 km (0.07 R)
• M9: 4,222,849 km (0.027 R)
• M10: 6,291,488 km (0.071 R)
• M11: 8,262,590 km (0.108 R)
• M12: 8,562,085 km (0.113 R)
• M13: 10,024,404 km (0.032 R)
• M14: 11,753,157 km (0.037 R)
• M15: 13,910,807 km (0.089 R)
• M16: 14,274,030 km (0.109 R)
• M17: 15,530,802 km (0.03 R)
• M18: 17,976,428 km (0.084 R)
• M19: 18,480,274 km (0.114 R)
• M20: 19,440,692 km (0.066 R)
• M21: 22,356,055 km (0.073 R)
• M22: 31,151,064 km (0.073 R)
• M23: 33,365,262 km (0.101 R)
• M24: 35,457,089 km (0.116 R)
• M25: 37,869,205 km (0.081 R)
• M26: 40,022,068 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.3

Radius: 6.6

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 12.6 AU - 17.4 AU

Year: 21219 Days

Day: 17.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 110,076,613 km

• M1: 84,074 km (0.055 R)
• M2: 307,872 km (0.102 R)
• M3: 620,083 km (0.03 R)
• M4: 1,025,942 km (0.085 R)
• M5: 1,662,631 km (0.071 R)
• M6: 1,925,624 km (0.105 R)
• M7: 2,155,705 km (0.106 R)
• M8: 2,513,543 km (0.103 R)
• M9: 3,111,037 km (0.059 R)
• M10: 3,948,187 km (0.095 R)
• M11: 4,194,874 km (0.093 R)
• M12: 5,898,195 km (0.097 R)
• M13: 6,858,763 km (0.088 R)
• M14: 7,216,152 km (0.06 R)
• M15: 14,392,063 km (0.108 R)
• M16: 19,268,804 km (0.078 R)
• M17: 20,070,649 km (0.037 R)
• M18: 22,220,520 km (0.062 R)
• M19: 28,200,844 km (0.084 R)
• M20: 31,374,563 km (0.092 R)
• M21: 33,110,347 km (0.064 R)
• M22: 34,518,362 km (0.106 R)
• M23: 35,434,948 km (0.119 R)
• M24: 36,502,030 km (0.112 R)
• M25: 38,004,292 km (0.1 R)
• M26: 38,700,520 km (0.11 R)
• M27: 39,405,126 km (0.098 R)
• M28: 46,452,832 km (0.081 R)
• M29: 53,770,711 km (0.073 R)
• M30: 56,611,425 km (0.079 R)
• M31: 57,885,101 km (0.085 R)
• M32: 66,131,085 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.6

Radius: 5.8

Gravity: 26.12 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 16.61 AU - 21.79 AU

Year: 30729 Days

Day: 22.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 110,076,613 km

• M1: 72,256 km (0.084 R)
• M2: 361,279 km (0.062 R)
• M3: 913,145 km (0.063 R)
• M4: 1,150,258 km (0.027 R)
• M5: 3,576,287 km (0.08 R)
• M6: 6,955,254 km (0.103 R)
• M7: 7,765,177 km (0.114 R)
• M8: 9,442,767 km (0.12 R)
• M9: 12,777,753 km (0.103 R)
• M10: 13,333,658 km (0.079 R)
• M11: 15,718,847 km (0.077 R)
• M12: 17,490,235 km (0.063 R)
• M13: 20,767,476 km (0.089 R)
• M14: 20,984,991 km (0.102 R)
• M15: 23,127,382 km (0.069 R)
• M16: 24,796,296 km (0.09 R)
• M17: 28,105,700 km (0.108 R)
• M18: 32,714,960 km (0.11 R)
• M19: 34,661,079 km (0.094 R)
• M20: 37,642,265 km (0.081 R)
• M21: 46,294,856 km (0.079 R)
• M22: 51,874,408 km (0.09 R)
• M23: 58,533,009 km (0.103 R)
• M24: 64,114,805 km (0.114 R)
• M25: 76,840,348 km (0.096 R)
• M26: 77,621,847 km (0.101 R)
• M27: 89,414,049 km (0.101 R)
• M28: 90,568,047 km (0.118 R)
• M29: 91,440,053 km (0.069 R)
• M30: 92,024,532 km (0.034 R)
• M31: 94,089,730 km (0.091 R)
• M32: 96,487,485 km (0.084 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 17,895 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit