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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 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4368835111785987 1.3554e-07  
a .904360269593895 5.5882e-09 au
q .5092601796432901 1.1984e-07 au
i 16.92222600003087 1.7421e-05 deg
node 120.5058254864821 3.4697e-05 deg
peri 242.3190348043416 2.6396e-05 deg
M 29.42699570022186 1.8492e-05 deg
tp 2459174.822421602313
(2020-Nov-21.32242160)
1.6036e-05 TDB
period 314.130885712452
0.86
2.9116e-06
7.972e-09
d
yr
n 1.146019116151271 1.0622e-08 deg/d
Q 1.2994603595445 8.0296e-09 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   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      .49144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:27:17  

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 20.8   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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