🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.6 AU - 1.7 AU

Year: 770 Days

Day: 40.2 Hours

Environment

Temp: -52 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.35 AU - 3.39 AU

Year: 1767 Days

Day: 19.4 Hours

Environment

Temp: -93 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.58 AU - 4.24 AU

Year: 2810 Days

Day: 39.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.7

Radius: 13.6

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.25 AU - 6.07 AU

Year: 4894 Days

Day: 14.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 103,030,265 km

• M1: 169,195 km (0.093 R)
• M2: 668,254 km (0.072 R)
• M3: 1,384,977 km (0.064 R)
• M4: 1,974,094 km (0.043 R)
• M5: 2,456,995 km (0.108 R)
• M6: 4,680,768 km (0.081 R)
• M7: 6,555,379 km (0.112 R)
• M8: 10,559,216 km (0.116 R)
• M9: 11,933,273 km (0.035 R)
• M10: 13,072,311 km (0.115 R)
• M11: 14,749,452 km (0.093 R)
• M12: 17,767,739 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.7

Radius: 10.8

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.26 AU - 8.36 AU

Year: 7183 Days

Day: 13.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 103,030,265 km

• M1: 135,984 km (0.1 R)
• M2: 528,679 km (0.079 R)
• M3: 874,549 km (0.078 R)
• M4: 2,277,478 km (0.101 R)
• M5: 2,725,075 km (0.03 R)
• M6: 3,098,920 km (0.107 R)
• M7: 3,820,430 km (0.06 R)
• M8: 4,576,947 km (0.101 R)
• M9: 5,540,806 km (0.107 R)
• M10: 7,350,491 km (0.094 R)
• M11: 8,371,497 km (0.056 R)
• M12: 8,897,184 km (0.064 R)
• M13: 9,444,712 km (0.081 R)
• M14: 11,000,530 km (0.11 R)
• M15: 15,210,513 km (0.08 R)
• M16: 19,141,347 km (0.035 R)
• M17: 22,108,920 km (0.093 R)
• M18: 24,451,024 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.8

Radius: 5

Gravity: 18.99 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 12.87 AU - 13.03 AU

Year: 16937 Days

Day: 19.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 103,030,265 km

• M1: 76,594 km (0.119 R)
• M2: 449,691 km (0.078 R)
• M3: 703,260 km (0.076 R)
• M4: 980,614 km (0.114 R)
• M5: 1,314,367 km (0.096 R)
• M6: 1,962,126 km (0.045 R)
• M7: 2,733,303 km (0.106 R)
• M8: 7,276,889 km (0.099 R)
• M9: 7,454,013 km (0.04 R)
• M10: 11,271,751 km (0.063 R)
• M11: 14,273,881 km (0.108 R)
• M12: 16,445,743 km (0.109 R)
• M13: 18,497,926 km (0.062 R)
• M14: 23,582,010 km (0.08 R)
• M15: 27,443,879 km (0.06 R)
• M16: 40,955,110 km (0.058 R)
• M17: 43,228,998 km (0.096 R)
• M18: 55,527,289 km (0.113 R)

Asteroid Belt

Center: 16.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 19.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.3

Radius: 4.6

Gravity: 34.99 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 16.34 AU - 21.84 AU

Year: 30314 Days

Day: 15.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 103,030,265 km

• M1: 57,146 km (0.034 R)
• M2: 305,030 km (0.103 R)
• M3: 677,978 km (0.062 R)
• M4: 1,052,271 km (0.084 R)
• M5: 2,198,790 km (0.106 R)
• M6: 4,664,162 km (0.071 R)
• M7: 5,105,775 km (0.077 R)
• M8: 6,307,495 km (0.105 R)
• M9: 7,417,062 km (0.081 R)
• M10: 7,962,047 km (0.051 R)
• M11: 8,301,485 km (0.103 R)
• M12: 10,014,979 km (0.077 R)
• M13: 12,546,474 km (0.114 R)
• M14: 13,006,188 km (0.108 R)
• M15: 14,452,650 km (0.079 R)
• M16: 15,128,683 km (0.098 R)
• M17: 16,452,624 km (0.101 R)
• M18: 18,237,925 km (0.11 R)
• M19: 19,328,494 km (0.041 R)
• M20: 20,884,760 km (0.103 R)
• M21: 22,973,296 km (0.1 R)
• M22: 26,547,937 km (0.048 R)
• M23: 30,339,495 km (0.053 R)
• M24: 33,299,888 km (0.096 R)
• M25: 35,376,904 km (0.066 R)
• M26: 35,985,917 km (0.084 R)
• M27: 36,756,945 km (0.113 R)
• M28: 39,298,014 km (0.082 R)
• M29: 40,445,580 km (0.11 R)
• M30: 47,435,091 km (0.078 R)
• M31: 50,250,673 km (0.061 R)
• M32: 60,221,969 km (0.117 R)
• M33: 67,398,777 km (0.051 R)
• M34: 69,277,876 km (0.109 R)
• M35: 69,991,458 km (0.062 R)
• M36: 73,386,582 km (0.117 R)
• M37: 77,910,870 km (0.037 R)
• M38: 86,681,494 km (0.081 R)
• M39: 91,731,769 km (0.079 R)
• M40: 98,765,711 km (0.075 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 13,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit