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JPL Small-Body Database Browser
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(2015 EG)
Classification: Aten [NEO]          SPK-ID: 3712904
[ 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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3562328671313647 3.1048e-07  
a .862655395804012 1.239e-08 au
q .5553491908104066 2.6628e-07 au
i 2.493067867388171 5.8256e-06 deg
node 167.6446306430445 7.7183e-06 deg
peri 223.5331458965971 1.1198e-05 deg
M 293.8154122844169 5.2335e-05 deg
tp 2459054.303286979710
(2020-Jul-23.80328698)		 4.312e-05 TDB
period 292.6539845791794
0.80		 6.3047e-06
1.726e-08		 d
yr
n 1.230121641834676 2.6501e-08 deg/d
Q 1.169961600797617 1.6803e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -1.995793564230984E-13 3.127E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
   Orbit Determination Parameters
   # obs. used (total)      146  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      2899 days (7.94 yr)  
   first obs. used      2011-04-02  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34421  
   source      ORB  
   producer      Giorgini  
   solution date      2019-Jul-13 12:44:43  

Additional Information
 Earth MOID = .00296527 au 
 Jupiter MOID = 4.25959 au 
 T_jup = 6.792 
[ 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 25.6   n/a MPO466687  
rotation period rot_per 1.29 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
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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