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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4370981809876854 1.8235e-07  
a .9041892065869462 6.7365e-09 au
q .5089697491190935 1.6155e-07 au
i 16.90882203778425 2.5313e-05 deg
node 120.4940719075308 3.9058e-05 deg
peri 242.2964918135057 3.1363e-05 deg
M 254.1134309522936 2.1785e-05 deg
tp 2459488.868901824484
(2021-Oct-01.36890182)
1.9616e-05 TDB
period 314.0417614422122
0.86
3.5096e-06
9.609e-09
d
yr
n 1.146344353523965 1.2811e-08 deg/d
Q 1.299408664054799 9.6811e-09 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   # delay obs. used      0  
   # Doppler obs. used      2  
   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      .3606  
   source      ORB  
   producer      Giorgini  
   solution date      2021-Jul-01 20:15:49  

Additional Information
 Earth MOID = .0349306 au 
 Jupiter MOID = 4.19423 au 
 T_jup = 6.472 
[ 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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