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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
65236 (2002 EW97)
Classification: Outer Main-belt Asteroid          SPK-ID: 2065236
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1370175288997508 5.7909e-08  
a 3.935410454996045 5.3171e-08 au
q 3.396190239246243 2.5594e-07 au
i 7.816453284824392 5.9996e-06 deg
node 40.53967865150869 3.4673e-05 deg
peri 209.5176990415451 4.1667e-05 deg
M 62.62236261728876 2.5523e-05 deg
tp 2458504.467163077094
(2019-Jan-20.96716308)
0.0001995 TDB
period 2851.566338746631
7.81
5.7791e-05
1.582e-07
d
yr
n .1262464053907416 2.5585e-09 deg/d
Q 4.474630670745848 6.0456e-08 au
  Orbit Determination Parameters
   # obs. used (total)      954  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      1998-11-19  
   last obs. used      2019-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53966  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:36:31  

Additional Information
 Earth MOID = 2.38549 au 
 Jupiter MOID = .597136 au 
 T_jup = 3.029 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1   n/a MPO439511  
diameter diameter 12.379 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.055   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

65236 (2002 EW97)          Discovered 2002-Mar-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-30 07:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin