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468727 (2010 JE87)
Classification: Aten [NEO, PHA]          SPK-ID: 2468727
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4368634988585064 1.3649e-07  
a .9043698467271704 5.6212e-09 au
q .5092836712238076 1.2068e-07 au
i 16.92210264243008 1.7746e-05 deg
node 120.5062041125511 3.6794e-05 deg
peri 242.3203825770918 2.8119e-05 deg
M 160.2203200044211 1.8025e-05 deg
tp 2458860.691804096715
(2020-Jan-12.19180410)
1.5386e-05 TDB
period 314.1358756729098
0.86
2.9288e-06
8.019e-09
d
yr
n 1.146000911958384 1.0685e-08 deg/d
Q 1.299456022230533 8.0769e-09 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      3935 days (10.77 yr)  
   first obs. used      2010-05-10  
   last obs. used      2021-02-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52072  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-16 06:51:37  

Additional Information
 Earth MOID = .0351904 au 
 Jupiter MOID = 4.19321 au 
 T_jup = 6.471 
[ 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 20.8   n/a E2021D10  
diameter diameter 0.308 km 0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.108   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

468727 (2010 JE87)          Discovered 2010-May-10 by WISE at WISE
Reference: Last Updated: 2016-06-21

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