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379371 (2009 WA248)
Classification: Main-belt Asteroid          SPK-ID: 2379371
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048541823248473 5.7626e-07  
a 2.548389015554448 5.5619e-08 au
q 2.026340867527419 1.5106e-06 au
i 5.17721361378626 1.221e-05 deg
node 102.6341807920698 0.0001522 deg
peri 324.4635148188978 0.00018461 deg
M 213.1139943956006 0.00010281 deg
tp 2459606.782361631227
(2022-Jan-27.28236163)
0.00044331 TDB
period 1485.925424203274
4.07
4.8646e-05
1.332e-07
d
yr
n .2422732622621525 7.9315e-09 deg/d
Q 3.070437163581477 6.7013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   data-arc span      7807 days (21.37 yr)  
   first obs. used      1997-12-21  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5833  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:10:22  

Additional Information
 Earth MOID = 1.04303 au 
 Jupiter MOID = 2.23923 au 
 T_jup = 3.406 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.6   n/a MPO434347  

379371 (2009 WA248)          Discovered 2009-Nov-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2009 WA248 = 1997 YS14 = 2009 WT115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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