🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.2

Radius: 13.3

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.47 AU - 0.77 AU

Year: 343 Days

Day: 10.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,931,845 km

• M1: 165,455 km (0.095 R)
• M2: 681,269 km (0.063 R)
• M3: 1,197,681 km (0.101 R)
• M4: 1,657,395 km (0.118 R)
• M5: 2,096,764 km (0.108 R)
• M6: 2,920,150 km (0.111 R)
• M7: 3,365,055 km (0.118 R)
• M8: 3,867,105 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.5

Radius: 10.3

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1 AU - 1.02 AU

Year: 713 Days

Day: 14.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,931,845 km

• M1: 128,056 km (0.087 R)
• M2: 482,154 km (0.12 R)
• M3: 931,546 km (0.06 R)
• M4: 1,312,572 km (0.028 R)
• M5: 1,789,939 km (0.115 R)
• M6: 2,118,306 km (0.109 R)
• M7: 2,586,248 km (0.064 R)
• M8: 3,520,038 km (0.069 R)
• M9: 4,258,303 km (0.026 R)
• M10: 5,405,569 km (0.087 R)
• M11: 6,041,211 km (0.06 R)
• M12: 6,471,305 km (0.078 R)
• M13: 7,076,278 km (0.112 R)
• M14: 7,554,543 km (0.117 R)
• M15: 8,151,887 km (0.082 R)
• M16: 8,601,279 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.2

Radius: 9.6

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.19 AU - 3.45 AU

Year: 4252 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,931,845 km

• M1: 119,977 km (0.11 R)
• M2: 1,009,935 km (0.093 R)
• M3: 1,825,842 km (0.111 R)
• M4: 2,758,286 km (0.111 R)
• M5: 3,125,249 km (0.09 R)
• M6: 4,117,831 km (0.117 R)
• M7: 4,725,198 km (0.052 R)
• M8: 5,335,558 km (0.117 R)
• M9: 6,649,027 km (0.117 R)
• M10: 7,278,385 km (0.065 R)
• M11: 11,402,649 km (0.097 R)
• M12: 13,201,563 km (0.106 R)
• M13: 15,807,409 km (0.036 R)
• M14: 20,951,331 km (0.071 R)
• M15: 23,785,164 km (0.118 R)
• M16: 24,628,447 km (0.091 R)
• M17: 25,254,215 km (0.11 R)
• M18: 26,051,123 km (0.076 R)
• M19: 28,714,563 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.4

Radius: 8.7

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.7 AU - 4.8 AU

Year: 6159 Days

Day: 14.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,931,845 km

• M1: 109,206 km (0.119 R)
• M2: 584,628 km (0.07 R)
• M3: 857,645 km (0.116 R)
• M4: 1,285,195 km (0.088 R)
• M5: 1,778,868 km (0.072 R)
• M6: 2,324,901 km (0.065 R)
• M7: 3,655,574 km (0.107 R)
• M8: 4,538,799 km (0.09 R)
• M9: 4,987,144 km (0.074 R)
• M10: 5,372,957 km (0.078 R)
• M11: 5,875,008 km (0.108 R)
• M12: 6,792,791 km (0.082 R)
• M13: 8,161,461 km (0.06 R)
• M14: 18,117,200 km (0.111 R)
• M15: 19,680,348 km (0.117 R)
• M16: 22,190,600 km (0.106 R)
• M17: 24,397,318 km (0.112 R)
• M18: 26,035,265 km (0.062 R)
• M19: 35,012,933 km (0.112 R)
• M20: 37,093,540 km (0.108 R)
• M21: 37,767,329 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.1

Radius: 7.2

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.63 AU - 8.35 AU

Year: 15876 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,931,845 km

• M1: 170,990 km (0.039 R)
• M2: 396,434 km (0.079 R)
• M3: 1,163,123 km (0.101 R)
• M4: 1,609,523 km (0.079 R)
• M5: 2,164,980 km (0.083 R)
• M6: 4,243,942 km (0.082 R)
• M7: 5,297,709 km (0.075 R)
• M8: 8,203,648 km (0.077 R)
• M9: 8,722,453 km (0.032 R)
• M10: 8,989,785 km (0.091 R)
• M11: 9,682,423 km (0.119 R)
• M12: 10,509,849 km (0.088 R)
• M13: 11,225,824 km (0.063 R)
• M14: 18,240,169 km (0.025 R)
• M15: 19,123,096 km (0.058 R)
• M16: 20,188,681 km (0.106 R)
• M17: 24,848,805 km (0.117 R)
• M18: 25,841,536 km (0.09 R)
• M19: 31,204,321 km (0.086 R)
• M20: 33,433,628 km (0.044 R)
• M21: 37,615,936 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.6

Radius: 4.4

Gravity: 32.99 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.09 AU - 9.45 AU

Year: 19839 Days

Day: 22.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,931,845 km

• M1: 54,902 km (0.054 R)
• M2: 228,586 km (0.054 R)
• M3: 471,383 km (0.045 R)
• M4: 941,868 km (0.107 R)
• M5: 1,181,524 km (0.118 R)
• M6: 1,608,028 km (0.12 R)
• M7: 2,544,211 km (0.103 R)
• M8: 3,222,189 km (0.106 R)
• M9: 3,796,794 km (0.055 R)
• M10: 4,336,693 km (0.076 R)
• M11: 5,373,256 km (0.099 R)
• M12: 7,059,673 km (0.111 R)
• M13: 7,773,853 km (0.113 R)
• M14: 8,906,908 km (0.105 R)
• M15: 9,512,779 km (0.12 R)
• M16: 10,806,202 km (0.03 R)
• M17: 11,053,338 km (0.104 R)
• M18: 16,092,093 km (0.103 R)
• M19: 17,832,665 km (0.093 R)
• M20: 18,004,702 km (0.112 R)
• M21: 19,150,173 km (0.074 R)
• M22: 31,471,652 km (0.077 R)
• M23: 32,102,506 km (0.079 R)
• M24: 35,248,250 km (0.085 R)
• M25: 38,306,928 km (0.087 R)
• M26: 40,047,649 km (0.113 R)
• M27: 42,910,354 km (0.082 R)
• M28: 51,610,966 km (0.073 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: 274 - 14,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit