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JPL Small-Body Database Browser
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452981 (2007 EW220)
Classification: Main-belt Asteroid          SPK-ID: 2452981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06683856387972717 8.0809e-08  
a 3.014177107352785 5.7593e-08 au
q 2.812713838218174 2.4146e-07 au
i 9.096382611198688 8.9102e-06 deg
node 185.0540475836486 5.0039e-05 deg
peri 4.659484894511142 8.4512e-05 deg
M 114.9468582069371 6.6887e-05 deg
tp 2457990.196048224567
(2017-Aug-24.69604822)
0.00035043 TDB
period 1911.399981403723
5.23
5.4783e-05
1.5e-07
d
yr
n .1883436243080937 5.3981e-09 deg/d
Q 3.215640376487395 6.1443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      72  
   data-arc span      4138 days (11.33 yr)  
   first obs. used      2007-03-13  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .7031  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:02:16  

Additional Information
 Earth MOID = 1.81373 au 
 Jupiter MOID = 1.74058 au 
 T_jup = 3.226 
[ 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 16.9   n/a MPO456159  

452981 (2007 EW220)          Discovered 2007-Mar-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04

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