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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 122 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6301063647977423 1.6037e-08  
a 2.499324309645116 6.0246e-09 au
q .9244841544440052 3.9376e-08 au
i 8.331859816083293 3.1717e-06 deg
node 61.7667317587265 3.7039e-05 deg
peri 3.631720639389818 3.6516e-05 deg
M 37.77163125258232 1.8156e-06 deg
tp 2458449.075695580644
(2018-Nov-26.57569558)
7.0777e-06 TDB
period 1443.219362871474
3.95
5.2183e-06
1.429e-08
d
yr
n .2494423296010476 9.0192e-10 deg/d
Q 4.074164464846227 9.8208e-09 au
  Orbit Determination Parameters
   # obs. used (total)      543  
   # 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      .35905  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Apr-09 07:33:10  

Additional Information
 Earth MOID = .0591779 au 
 Jupiter MOID = 1.28093 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 18.0   n/a MPO455915  
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 4.781 h n/a LCDB (Rev. 2019-January); 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.]
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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