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(2017 HW3)
Classification: Outer Main-belt Asteroid          SPK-ID: 3774100
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5959387861000748 2.5178e-05  
a 3.23264325346869 0.00021583 au
q 1.306185757101962 6.9811e-06 au
i 27.06515257932451 0.00051857 deg
node 40.39530569143201 0.00044362 deg
peri 197.4192062511547 0.00025325 deg
M 182.6511300162326 0.01829 deg
tp 2460046.329820693667
(2023-Apr-11.82982069)
0.21259 TDB
period 2122.927174467933
5.81
0.21261
0.0005821
d
yr
n .1695771783081661 1.6983e-05 deg/d
Q 5.159100749835416 0.00034445 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   data-arc span      77 days  
   first obs. used      2017-03-08  
   last obs. used      2017-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .57447  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-19 09:39:18  

Additional Information
 Earth MOID = .311649 au 
 Jupiter MOID = .176016 au 
 T_jup = 2.737 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.6   n/a MPO438036  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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