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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4368835109665515 1.3552e-07  
a .9043602695870332 5.5875e-09 au
q .5092601798311932 1.1982e-07 au
i 16.92222598363077 1.742e-05 deg
node 120.5058256580644 3.4654e-05 deg
peri 242.3190346079329 2.6339e-05 deg
M 29.42699576779908 1.8487e-05 deg
tp 2459174.822421543639
(2020-Nov-21.32242154)
1.6033e-05 TDB
period 314.1308857088768
0.86
2.9112e-06
7.97e-09
d
yr
n 1.146019116164314 1.0621e-08 deg/d
Q 1.299460359342873 8.0286e-09 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      3950 days (10.81 yr)  
   first obs. used      2010-05-10  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-14 05:53:59  

Additional Information
 Earth MOID = .0352241 au 
 Jupiter MOID = 4.19398 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 20.79   n/a MPCxxxxx  
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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