🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.58 AU - 0.74 AU

Year: 245 Days

Day: 25.6 Hours

Environment

Temp: -30 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.33 AU - 1.35 AU

Year: 708 Days

Day: 27 Hours

Environment

Temp: -97 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.63 AU - 1.71 AU

Year: 985 Days

Day: 17 Hours

Environment

Temp: -114 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.3

Radius: 12.9

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.3 AU - 2.32 AU

Year: 1603 Days

Day: 12.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,486,075 km

• M1: 187,895 km (0.101 R)
• M2: 632,350 km (0.105 R)
• M3: 1,082,191 km (0.113 R)
• M4: 1,832,275 km (0.102 R)
• M5: 2,598,515 km (0.051 R)
• M6: 3,919,015 km (0.047 R)
• M7: 5,008,387 km (0.037 R)
• M8: 5,668,712 km (0.119 R)
• M9: 7,752,910 km (0.093 R)
• M10: 8,432,383 km (0.109 R)
• M11: 9,557,658 km (0.065 R)
• M12: 10,206,165 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.8

Radius: 8.9

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.11 AU - 3.49 AU

Year: 2139 Days

Day: 11.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,486,075 km

• M1: 110,702 km (0.037 R)
• M2: 390,151 km (0.115 R)
• M3: 740,509 km (0.11 R)
• M4: 1,024,596 km (0.069 R)
• M5: 1,495,380 km (0.079 R)
• M6: 1,950,307 km (0.101 R)
• M7: 2,752,002 km (0.099 R)
• M8: 3,596,034 km (0.082 R)
• M9: 4,478,063 km (0.064 R)
• M10: 6,371,673 km (0.101 R)
• M11: 9,108,566 km (0.059 R)
• M12: 9,863,736 km (0.093 R)
• M13: 10,512,093 km (0.087 R)
• M14: 13,306,431 km (0.08 R)
• M15: 15,060,766 km (0.079 R)
• M16: 15,630,135 km (0.104 R)
• M17: 16,115,580 km (0.119 R)
• M18: 16,761,693 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.5

Radius: 8.7

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.76 AU - 4.1 AU

Year: 2900 Days

Day: 11.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,486,075 km

• M1: 108,758 km (0.047 R)
• M2: 533,915 km (0.099 R)
• M3: 1,082,640 km (0.095 R)
• M4: 1,464,563 km (0.112 R)
• M5: 2,375,913 km (0.089 R)
• M6: 2,995,548 km (0.102 R)
• M7: 3,441,649 km (0.117 R)
• M8: 3,756,851 km (0.112 R)
• M9: 7,137,913 km (0.072 R)
• M10: 8,421,762 km (0.049 R)
• M11: 9,170,948 km (0.116 R)
• M12: 11,237,792 km (0.079 R)
• M13: 13,100,884 km (0.079 R)
• M14: 15,112,078 km (0.055 R)
• M15: 15,859,618 km (0.101 R)
• M16: 16,423,303 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.9

Radius: 10.2

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.25 AU - 3.79 AU

Year: 3015 Days

Day: 7.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,486,075 km

• M1: 126,859 km (0.086 R)
• M2: 481,406 km (0.066 R)
• M3: 834,457 km (0.097 R)
• M4: 1,288,636 km (0.109 R)
• M5: 1,771,538 km (0.11 R)
• M6: 2,092,874 km (0.093 R)
• M7: 4,273,712 km (0.092 R)
• M8: 4,991,632 km (0.033 R)
• M9: 5,379,689 km (0.084 R)
• M10: 6,216,689 km (0.066 R)
• M11: 7,338,823 km (0.037 R)
• M12: 7,902,508 km (0.08 R)
• M13: 9,386,967 km (0.104 R)
• M14: 9,732,987 km (0.05 R)
• M15: 10,159,341 km (0.082 R)
• M16: 11,631,683 km (0.115 R)
• M17: 12,439,811 km (0.101 R)
• M18: 14,032,729 km (0.113 R)
• M19: 16,000,839 km (0.096 R)
• M20: 16,696,020 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825

Radius: 7.1

Gravity: 16.37 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.31 AU - 10.87 AU

Year: 14633 Days

Day: 23.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,486,075 km

• M1: 89,011 km (0.081 R)
• M2: 337,493 km (0.099 R)
• M3: 582,534 km (0.114 R)
• M4: 962,214 km (0.108 R)
• M5: 1,202,617 km (0.099 R)
• M6: 1,705,865 km (0.119 R)
• M7: 2,383,543 km (0.037 R)
• M8: 2,760,530 km (0.094 R)
• M9: 3,306,711 km (0.114 R)
• M10: 3,633,732 km (0.031 R)
• M11: 4,712,632 km (0.088 R)
• M12: 8,392,740 km (0.094 R)
• M13: 11,249,909 km (0.087 R)
• M14: 11,678,358 km (0.064 R)
• M15: 12,054,148 km (0.065 R)
• M16: 12,764,139 km (0.09 R)
• M17: 13,365,672 km (0.085 R)
• M18: 16,738,057 km (0.071 R)
• M19: 18,115,853 km (0.114 R)
• M20: 18,366,579 km (0.092 R)
• M21: 18,789,642 km (0.107 R)
• M22: 20,366,853 km (0.092 R)
• M23: 22,604,238 km (0.041 R)
• M24: 23,483,874 km (0.12 R)
• M25: 25,730,086 km (0.114 R)
• M26: 26,473,737 km (0.109 R)
• M27: 26,796,868 km (0.078 R)
• M28: 28,564,517 km (0.028 R)
• M29: 29,361,873 km (0.086 R)
• M30: 38,442,614 km (0.077 R)
• M31: 39,554,275 km (0.096 R)
• M32: 40,830,345 km (0.11 R)
• M33: 44,822,963 km (0.099 R)
• M34: 46,834,905 km (0.112 R)
• M35: 59,999,816 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.3

Radius: 3.1

Gravity: 100.34 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 10.22 AU - 11.78 AU

Year: 16657 Days

Day: 19.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,486,075 km

• M1: 38,895 km (0.108 R)
• M2: 737,218 km (0.094 R)
• M3: 875,297 km (0.08 R)
• M4: 1,055,712 km (0.079 R)
• M5: 2,200,285 km (0.044 R)
• M6: 2,628,584 km (0.088 R)
• M7: 3,190,923 km (0.064 R)
• M8: 5,668,263 km (0.052 R)
• M9: 6,777,083 km (0.1 R)
• M10: 9,755,277 km (0.055 R)
• M11: 10,284,106 km (0.096 R)
• M12: 10,404,083 km (0.051 R)
• M13: 23,036,576 km (0.092 R)
• M14: 24,608,850 km (0.086 R)
• M15: 32,767,618 km (0.108 R)
• M16: 34,617,246 km (0.047 R)
• M17: 37,378,524 km (0.1 R)
• M18: 47,693,447 km (0.057 R)
• M19: 49,549,807 km (0.079 R)
• M20: 58,788,672 km (0.064 R)
• M21: 63,305,929 km (0.077 R)
• M22: 64,114,506 km (0.077 R)
• M23: 64,521,262 km (0.097 R)
• M24: 67,417,477 km (0.098 R)
• M25: 74,136,217 km (0.109 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 20,243 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit