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JPL Small-Body Database Browser
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268978 (2007 EW53)
Classification: Main-belt Asteroid          SPK-ID: 2268978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08195635055408482 8.7138e-08  
a 2.71735917411928 2.9506e-08 au
q 2.494654333063802 2.3622e-07 au
i 14.98011588497134 1.0098e-05 deg
node 196.7360590126213 2.4301e-05 deg
peri 237.7621090584846 5.5366e-05 deg
M 13.91573621715235 4.7663e-05 deg
tp 2458537.255511683775
(2019-Feb-22.75551168)
0.00021693 TDB
period 1636.134476721202
4.48
2.6648e-05
7.296e-08
d
yr
n .2200308135560083 3.5837e-09 deg/d
Q 2.940064015174758 3.1924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      6640 days (18.18 yr)  
   first obs. used      2000-11-03  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6646  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:00:17  

Additional Information
 Earth MOID = 1.53764 au 
 Jupiter MOID = 2.34578 au 
 T_jup = 3.306 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO470853  

268978 (2007 EW53)          Discovered 2007-Mar-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

Alternate Designations
 2007 EW53 = 2004 RZ342 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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