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410088 (2007 EJ)
Classification: Apollo [NEO]          SPK-ID: 2410088
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 123 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6298017648421146 1.5933e-08  
a 2.499345425325933 5.9913e-09 au
q .9252532655055948 3.9074e-08 au
i 8.330190406818621 3.1626e-06 deg
node 61.77086402128754 3.6967e-05 deg
peri 3.630433091663678 3.644e-05 deg
M 137.5896422992543 1.9971e-06 deg
tp 2458448.904021187394
(2018-Nov-26.40402119)
7.0507e-06 TDB
period 1443.237652589017
3.95
5.1895e-06
1.421e-08
d
yr
n .2494391684932817 8.9691e-10 deg/d
Q 4.073437585146271 9.7646e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1000  
   # delay obs. used      2  
   # Doppler obs. used      0  
   data-arc span      4413 days (12.08 yr)  
   first obs. used      2007-03-09  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .27755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-14 05:14:57  

Additional Information
 Earth MOID = .0581771 au 
 Jupiter MOID = 1.28273 au 
 T_jup = 3.147 
[ 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 18.1   n/a MPO472140  
diameter diameter 1.032 km 0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 4.5569 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2015) Minor Planet Bull. 42, 172-183.]
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 304-314.]
geometric albedo albedo 0.095   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

410088 (2007 EJ)          Discovered 2007-Mar-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-10-09

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