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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .35623891437926 1.3303e-07  
a .8626755923848521 1.2277e-08 au
q .5553569758921875 1.1553e-07 au
i 2.493220904946077 5.8209e-06 deg
node 167.6405641008488 7.6138e-06 deg
peri 223.5373934057954 8.5126e-06 deg
M 60.95834716164688 3.2416e-05 deg
tp 2459346.943528634843
(2021-May-12.44352863)
2.558e-05 TDB
period 292.6642621091432
0.80
6.2474e-06
1.71e-08
d
yr
n 1.230078443488755 2.6258e-08 deg/d
Q 1.169994208877517 1.665e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -2.028954590901861E-13 2.008E-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)      151  
   # delay obs. used      3  
   # Doppler obs. used      2  
   data-arc span      2899 days (7.94 yr)  
   first obs. used      2011-04-02  
   last obs. used      2019-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .33613  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 13:08:08  

Additional Information
 Earth MOID = .00306938 au 
 Jupiter MOID = 4.26163 au 
 T_jup = 6.792 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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. 2020-October); 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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