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(2015 EP)
Classification: Apollo [NEO]          SPK-ID: 3712946
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4647159316013798 0.00041  
a 1.890833400146822 0.0014761 au
q 1.012132995094587 1.4893e-05 au
i 1.426438531222403 0.00097502 deg
node 343.9460606958225 0.00068505 deg
peri 190.2889912660357 0.0026425 deg
M 1.784191433266571 0.84691 deg
tp 2458995.793291807426
(2020-May-26.29329181)
2.2286 TDB
period 949.6822581557591
2.60
1.1121
0.003045
d
yr
n .3790741554960751 0.0004439 deg/d
Q 2.769533805199057 0.0021621 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      9 days  
   first obs. used      2015-03-10  
   last obs. used      2015-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .5616  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:35:14  

Additional Information
 Earth MOID = .0179634 au 
 Jupiter MOID = 2.19812 au 
 T_jup = 3.819 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.0   n/a MPO332785  
rotation period rot_per 0.0381 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Thirouin, A.; Moskovitz, N.; Binzel, R.P.; Christensen, E.; et al. (2016) Astron. J. 152, A163.]

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