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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 124 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .629661353288123 1.5998e-08  
a 2.499476431720643 5.9921e-09 au
q .925652719211654 3.9213e-08 au
i 8.328842039574043 3.1763e-06 deg
node 61.77102327938024 3.7043e-05 deg
peri 3.619415388502945 3.6526e-05 deg
M 187.5177093029964 2.1115e-06 deg
tp 2459892.034746676918
(2022-Nov-08.53474668)
1.0254e-05 TDB
period 1443.351127803728
3.95
5.1903e-06
1.421e-08
d
yr
n .2494195577674805 8.9691e-10 deg/d
Q 4.073300144229631 9.7651e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .25802  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 12:49:24  

Additional Information
 Earth MOID = .0585466 au 
 Jupiter MOID = 1.28377 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. 2020-October); 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

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