🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.2

Radius: 12.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.71 AU - 0.93 AU

Year: 495 Days

Day: 5.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,685,983 km

• M1: 151,692 km (0.088 R)
• M2: 615,745 km (0.097 R)
• M3: 1,005,597 km (0.109 R)
• M4: 1,466,059 km (0.099 R)
• M5: 1,966,464 km (0.106 R)
• M6: 2,560,218 km (0.08 R)
• M7: 3,061,820 km (0.025 R)
• M8: 3,552,501 km (0.114 R)
• M9: 3,999,050 km (0.069 R)
• M10: 4,816,752 km (0.109 R)
• M11: 5,200,022 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.7

Radius: 10.5

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.49 AU - 1.75 AU

Year: 1375 Days

Day: 9 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,685,983 km

• M1: 130,749 km (0.05 R)
• M2: 458,218 km (0.073 R)
• M3: 861,833 km (0.106 R)
• M4: 1,489,845 km (0.086 R)
• M5: 1,986,660 km (0.107 R)
• M6: 2,527,456 km (0.105 R)
• M7: 3,394,076 km (0.086 R)
• M8: 3,734,860 km (0.067 R)
• M9: 5,507,446 km (0.11 R)
• M10: 6,627,934 km (0.058 R)
• M11: 7,782,979 km (0.117 R)
• M12: 8,408,448 km (0.062 R)
• M13: 10,219,031 km (0.073 R)
• M14: 11,180,197 km (0.117 R)
• M15: 11,719,497 km (0.096 R)
• M16: 12,579,835 km (0.078 R)
• M17: 12,927,799 km (0.085 R)
• M18: 13,562,244 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.4

Radius: 11.4

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.77 AU - 1.99 AU

Year: 1719 Days

Day: 5.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,685,983 km

• M1: 141,819 km (0.075 R)
• M2: 534,663 km (0.097 R)
• M3: 1,004,251 km (0.116 R)
• M4: 1,528,741 km (0.098 R)
• M5: 2,465,223 km (0.069 R)
• M6: 3,252,258 km (0.034 R)
• M7: 4,769,629 km (0.059 R)
• M8: 5,483,959 km (0.096 R)
• M9: 5,916,147 km (0.102 R)
• M10: 6,528,002 km (0.083 R)
• M11: 7,041,871 km (0.11 R)
• M12: 9,992,689 km (0.052 R)
• M13: 10,603,048 km (0.079 R)
• M14: 10,973,602 km (0.108 R)
• M15: 12,097,232 km (0.117 R)
• M16: 12,584,023 km (0.087 R)
• M17: 14,892,468 km (0.091 R)
• M18: 15,641,505 km (0.073 R)
• M19: 16,268,469 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.1

Radius: 9.1

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.91 AU - 2.85 AU

Year: 2448 Days

Day: 14.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,685,983 km

• M1: 113,246 km (0.048 R)
• M2: 405,859 km (0.097 R)
• M3: 743,651 km (0.08 R)
• M4: 1,059,153 km (0.031 R)
• M5: 1,775,876 km (0.066 R)
• M6: 2,235,142 km (0.106 R)
• M7: 3,190,923 km (0.092 R)
• M8: 3,769,567 km (0.114 R)
• M9: 6,505,263 km (0.081 R)
• M10: 7,142,251 km (0.095 R)
• M11: 7,736,753 km (0.059 R)
• M12: 9,241,708 km (0.069 R)
• M13: 10,179,836 km (0.089 R)
• M14: 13,536,064 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.5

Radius: 12.2

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.96 AU - 3.38 AU

Year: 3764 Days

Day: 11.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,685,983 km

• M1: 152,889 km (0.104 R)
• M2: 674,537 km (0.106 R)
• M3: 1,364,333 km (0.11 R)
• M4: 2,474,199 km (0.027 R)
• M5: 3,014,397 km (0.105 R)
• M6: 4,047,520 km (0.066 R)
• M7: 5,048,180 km (0.081 R)
• M8: 6,711,409 km (0.115 R)
• M9: 9,462,813 km (0.111 R)
• M10: 11,434,364 km (0.102 R)
• M11: 13,179,124 km (0.051 R)
• M12: 13,567,928 km (0.101 R)
• M13: 14,266,999 km (0.081 R)
• M14: 15,042,365 km (0.109 R)
• M15: 17,772,227 km (0.105 R)
• M16: 19,597,919 km (0.081 R)
• M17: 20,621,169 km (0.116 R)
• M18: 22,843,744 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463

Radius: 6.9

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.58 AU - 9.52 AU

Year: 15231 Days

Day: 23 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,685,983 km

• M1: 86,019 km (0.073 R)
• M2: 331,060 km (0.049 R)
• M3: 694,134 km (0.12 R)
• M4: 923,617 km (0.099 R)
• M5: 1,400,236 km (0.109 R)
• M6: 1,907,672 km (0.043 R)
• M7: 2,636,962 km (0.117 R)
• M8: 2,925,087 km (0.093 R)
• M9: 3,644,204 km (0.063 R)
• M10: 4,002,491 km (0.036 R)
• M11: 4,886,914 km (0.093 R)
• M12: 7,374,726 km (0.025 R)
• M13: 8,085,466 km (0.081 R)
• M14: 8,743,846 km (0.035 R)
• M15: 10,822,209 km (0.105 R)
• M16: 11,160,001 km (0.076 R)
• M17: 13,530,230 km (0.119 R)
• M18: 14,936,001 km (0.077 R)
• M19: 17,414,539 km (0.07 R)
• M20: 27,603,051 km (0.102 R)
• M21: 31,192,802 km (0.065 R)
• M22: 31,762,470 km (0.117 R)
• M23: 34,594,059 km (0.08 R)
• M24: 35,697,941 km (0.097 R)
• M25: 36,698,751 km (0.096 R)
• M26: 37,333,645 km (0.108 R)
• M27: 37,846,765 km (0.072 R)
• M28: 38,625,273 km (0.106 R)
• M29: 40,348,790 km (0.096 R)
• M30: 54,362,221 km (0.032 R)
• M31: 55,021,498 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 18,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit