🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.9

Radius: 11.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.45 AU - 0.73 AU

Year: 302 Days

Day: 15 Hours

Environment

Temp: -151 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,078,886 km

• M1: 146,756 km (0.119 R)
• M2: 555,906 km (0.107 R)
• M3: 993,928 km (0.074 R)
• M4: 1,392,008 km (0.097 R)
• M5: 1,780,065 km (0.104 R)
• M6: 2,317,869 km (0.1 R)
• M7: 3,268,265 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.1

Radius: 8.4

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.92 AU - 2.38 AU

Year: 2102 Days

Day: 8.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,078,886 km

• M1: 104,569 km (0.111 R)
• M2: 372,349 km (0.115 R)
• M3: 780,003 km (0.106 R)
• M4: 1,042,248 km (0.05 R)
• M5: 2,236,638 km (0.083 R)
• M6: 2,515,937 km (0.09 R)
• M7: 2,869,138 km (0.09 R)
• M8: 3,227,574 km (0.025 R)
• M9: 3,586,011 km (0.032 R)
• M10: 4,247,981 km (0.097 R)
• M11: 5,082,737 km (0.049 R)
• M12: 5,390,610 km (0.06 R)
• M13: 5,980,474 km (0.1 R)
• M14: 6,345,792 km (0.086 R)
• M15: 6,887,037 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.8

Radius: 9

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.21 AU - 4.39 AU

Year: 5946 Days

Day: 13.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,078,886 km

• M1: 113,096 km (0.086 R)
• M2: 504,444 km (0.12 R)
• M3: 954,135 km (0.081 R)
• M4: 1,513,930 km (0.097 R)
• M5: 1,967,362 km (0.07 R)
• M6: 2,496,938 km (0.113 R)
• M7: 2,795,835 km (0.059 R)
• M8: 4,062,929 km (0.115 R)
• M9: 4,611,055 km (0.076 R)
• M10: 7,127,291 km (0.118 R)
• M11: 7,625,751 km (0.099 R)
• M12: 8,203,498 km (0.098 R)
• M13: 9,230,937 km (0.056 R)
• M14: 10,946,824 km (0.105 R)
• M15: 11,398,161 km (0.106 R)
• M16: 12,789,122 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.7

Radius: 11.2

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.47 AU - 6.27 AU

Year: 8298 Days

Day: 13.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,078,886 km

• M1: 139,276 km (0.056 R)
• M2: 499,507 km (0.076 R)
• M3: 907,909 km (0.082 R)
• M4: 1,295,518 km (0.113 R)
• M5: 1,924,876 km (0.094 R)
• M6: 4,648,604 km (0.077 R)
• M7: 5,450,898 km (0.082 R)
• M8: 5,911,809 km (0.106 R)
• M9: 8,619,231 km (0.026 R)
• M10: 15,207,820 km (0.066 R)
• M11: 17,621,582 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.8

Radius: 4.8

Gravity: 38.66 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.25 AU - 9.83 AU

Year: 19650 Days

Day: 15.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 82,078,886 km

• M1: 64,177 km (0.116 R)
• M2: 336,446 km (0.081 R)
• M3: 640,279 km (0.104 R)
• M4: 830,119 km (0.104 R)
• M5: 1,222,065 km (0.12 R)
• M6: 1,551,779 km (0.059 R)
• M7: 3,170,876 km (0.098 R)
• M8: 3,636,874 km (0.072 R)
• M9: 4,850,561 km (0.12 R)
• M10: 6,092,972 km (0.107 R)
• M11: 7,785,672 km (0.104 R)
• M12: 8,520,945 km (0.107 R)
• M13: 8,684,306 km (0.062 R)
• M14: 12,689,939 km (0.114 R)
• M15: 13,118,836 km (0.067 R)
• M16: 13,780,208 km (0.079 R)
• M17: 16,649,046 km (0.116 R)
• M18: 17,076,597 km (0.118 R)
• M19: 17,511,478 km (0.062 R)
• M20: 18,042,850 km (0.057 R)
• M21: 20,470,823 km (0.097 R)
• M22: 23,426,129 km (0.039 R)
• M23: 26,653,853 km (0.104 R)
• M24: 29,415,280 km (0.107 R)
• M25: 30,929,061 km (0.044 R)
• M26: 31,186,219 km (0.071 R)
• M27: 32,626,697 km (0.088 R)
• M28: 46,450,438 km (0.111 R)
• M29: 47,467,554 km (0.09 R)
• M30: 51,504,004 km (0.102 R)
• M31: 52,410,716 km (0.065 R)
• M32: 57,491,808 km (0.096 R)
• M33: 62,480,299 km (0.086 R)
• M34: 65,819,772 km (0.105 R)
• M35: 68,401,233 km (0.113 R)
• M36: 74,224,031 km (0.109 R)
• M37: 79,642,765 km (0.087 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 11,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit