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452973 (2007 EW14)
Classification: Main-belt Asteroid          SPK-ID: 2452973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1720817992930212 4.5019e-07  
a 2.89013329688668 5.7879e-08 au
q 2.392793958961748 1.2678e-06 au
i 1.954210100050862 1.5349e-05 deg
node 162.9611708581587 0.0002975 deg
peri 352.8107951644179 0.00035869 deg
M 249.9063002264091 0.00016296 deg
tp 2459549.326664277741
(2021-Nov-30.82666428)
0.00082525 TDB
period 1794.631296307668
4.91
5.391e-05
1.476e-07
d
yr
n .2005983071512658 6.0259e-09 deg/d
Q 3.387472634811611 6.7839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      5999 days (16.42 yr)  
   first obs. used      2002-02-08  
   last obs. used      2018-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55502  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:38:40  

Additional Information
 Earth MOID = 1.4026 au 
 Jupiter MOID = 1.6045 au 
 T_jup = 3.268 
[ 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 17.5   n/a MPO402842  

452973 (2007 EW14)          Discovered 2007-Mar-09 by Mt. Lemmon Survey at Mount Lemmon
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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