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 ]  
(2002 EY2)
Classification: Apollo [NEO, PHA]          SPK-ID: 3117420
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 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4863172603710967 6.4203e-08  
a 1.725416048389479 5.8171e-09 au
q .8863164427363841 1.0943e-07 au
i 21.73198556185713 1.9578e-05 deg
node 343.4043713627735 2.0488e-05 deg
peri 51.08015992140678 2.0786e-05 deg
M 91.82616283901095 8.7237e-06 deg
tp 2458789.344152586283
(2019-Nov-01.84415259)
1.9401e-05 TDB
period 827.8262177001671
2.27
4.1864e-06
1.146e-08
d
yr
n .4348738808975358 2.1992e-09 deg/d
Q 2.564515654042574 8.646e-09 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      6569 days (17.98 yr)  
   first obs. used      2002-02-24  
   last obs. used      2020-02-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55773  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-21 22:06:33  

Additional Information
 Earth MOID = .00131466 au 
 Jupiter MOID = 3.09264 au 
 T_jup = 3.951 
[ 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 19.3   n/a MPO202389  

[ 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-Jul-16 16:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin