🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252

Radius: 11.7

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.55 AU - 0.79 AU

Year: 366 Days

Day: 6.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,199,794 km

• M1: 145,559 km (0.076 R)
• M2: 565,779 km (0.115 R)
• M3: 935,435 km (0.081 R)
• M4: 1,436,888 km (0.113 R)
• M5: 2,001,470 km (0.037 R)
• M6: 3,517,944 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 13.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.23 AU - 1.85 AU

Year: 1274 Days

Day: 12.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,199,794 km

• M1: 171,589 km (0.112 R)
• M2: 613,052 km (0.109 R)
• M3: 1,319,154 km (0.072 R)
• M4: 2,241,425 km (0.032 R)
• M5: 3,124,052 km (0.09 R)
• M6: 3,638,669 km (0.095 R)
• M7: 4,425,554 km (0.076 R)
• M8: 5,220,068 km (0.069 R)
• M9: 6,085,043 km (0.066 R)
• M10: 7,375,923 km (0.086 R)
• M11: 7,908,043 km (0.11 R)
• M12: 10,233,392 km (0.099 R)
• M13: 12,419,765 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883

Radius: 14.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.52 AU - 3.46 AU

Year: 3448 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,199,794 km

• M1: 184,753 km (0.075 R)
• M2: 805,136 km (0.108 R)
• M3: 1,422,377 km (0.095 R)
• M4: 2,180,688 km (0.078 R)
• M5: 2,811,094 km (0.107 R)
• M6: 3,310,302 km (0.11 R)
• M7: 3,806,219 km (0.098 R)
• M8: 5,767,596 km (0.115 R)
• M9: 6,891,076 km (0.059 R)
• M10: 7,538,685 km (0.12 R)
• M11: 8,085,765 km (0.045 R)
• M12: 8,844,077 km (0.116 R)
• M13: 11,056,779 km (0.065 R)
• M14: 12,502,642 km (0.079 R)
• M15: 13,076,350 km (0.083 R)
• M16: 17,127,311 km (0.109 R)
• M17: 19,884,699 km (0.117 R)
• M18: 21,335,349 km (0.108 R)
• M19: 22,644,031 km (0.072 R)
• M20: 25,118,530 km (0.026 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.6

Radius: 3.8

Gravity: 39.52 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.47 AU - 7.63 AU

Year: 12483 Days

Day: 18.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,199,794 km

• M1: 51,462 km (0.08 R)
• M2: 313,108 km (0.072 R)
• M3: 465,100 km (0.108 R)
• M4: 751,580 km (0.073 R)
• M5: 2,287,052 km (0.114 R)
• M6: 6,155,653 km (0.104 R)
• M7: 6,460,384 km (0.098 R)
• M8: 6,976,796 km (0.119 R)
• M9: 7,141,204 km (0.109 R)
• M10: 7,308,155 km (0.063 R)
• M11: 9,319,947 km (0.098 R)
• M12: 9,469,246 km (0.11 R)
• M13: 9,978,477 km (0.086 R)
• M14: 13,741,462 km (0.082 R)
• M15: 15,340,514 km (0.082 R)
• M16: 21,734,925 km (0.1 R)
• M17: 26,295,416 km (0.104 R)
• M18: 33,390,394 km (0.11 R)
• M19: 38,384,121 km (0.093 R)
• M20: 38,639,634 km (0.052 R)
• M21: 43,853,120 km (0.119 R)
• M22: 44,553,537 km (0.078 R)
• M23: 48,316,821 km (0.103 R)
• M24: 48,764,268 km (0.093 R)
• M25: 49,365,053 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612

Radius: 6.3

Gravity: 15.42 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8 AU - 9.44 AU

Year: 17171 Days

Day: 23 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,199,794 km

• M1: 78,688 km (0.095 R)
• M2: 339,138 km (0.088 R)
• M3: 821,442 km (0.111 R)
• M4: 1,050,775 km (0.048 R)
• M5: 1,691,054 km (0.073 R)
• M6: 1,917,695 km (0.069 R)
• M7: 2,125,337 km (0.088 R)
• M8: 3,163,247 km (0.097 R)
• M9: 6,103,593 km (0.112 R)
• M10: 7,299,778 km (0.093 R)
• M11: 8,146,801 km (0.11 R)
• M12: 11,443,340 km (0.027 R)
• M13: 11,752,708 km (0.07 R)
• M14: 15,836,879 km (0.052 R)
• M15: 19,876,321 km (0.056 R)
• M16: 20,143,802 km (0.078 R)
• M17: 24,146,144 km (0.077 R)
• M18: 25,906,611 km (0.073 R)
• M19: 27,419,195 km (0.083 R)
• M20: 27,750,704 km (0.075 R)
• M21: 27,973,306 km (0.072 R)
• M22: 32,063,760 km (0.07 R)
• M23: 33,051,555 km (0.103 R)
• M24: 35,088,031 km (0.1 R)
• M25: 37,206,636 km (0.117 R)
• M26: 39,128,969 km (0.057 R)
• M27: 41,405,998 km (0.096 R)
• M28: 42,576,900 km (0.057 R)
• M29: 44,526,609 km (0.108 R)
• M30: 55,173,191 km (0.115 R)
• M31: 57,488,367 km (0.107 R)
• M32: 60,799,716 km (0.109 R)
• M33: 63,654,492 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 12,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit