Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
(2015 EG)
Classification: Aten [NEO]          SPK-ID: 3712904
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3562328971046861 1.3329e-07  
a .8626553951272825 1.2017e-08 au
q .5553491645181029 1.1513e-07 au
i 2.493067740167815 5.8207e-06 deg
node 167.6446304762179 7.6161e-06 deg
peri 223.5331465569539 8.5161e-06 deg
M 293.8154086119622 2.5389e-05 deg
tp 2459054.303289901839
(2020-Jul-23.80328990)
2.1344e-05 TDB
period 292.6539842348109
0.80
6.1153e-06
1.674e-08
d
yr
n 1.23012164328217 2.5705e-08 deg/d
Q 1.169961625736462 1.6298e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -2.028238792726029E-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .33617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:34:36  

Additional Information
 Earth MOID = .00296527 au 
 Jupiter MOID = 4.25959 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. 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-25 15:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin