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 ]  
65220 (2002 EH22)
Classification: Main-belt Asteroid          SPK-ID: 2065220
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1529612677662477 5.8314e-08  
a 2.754753260243664 2.0311e-08 au
q 2.333382709173589 1.5497e-07 au
i 10.7705071426025 4.7882e-06 deg
node 139.5934212570566 2.7433e-05 deg
peri 217.9418037690767 3.1213e-05 deg
M 163.9393045802015 1.6342e-05 deg
tp 2458239.993249759550
(2018-May-01.49324976)
7.382e-05 TDB
period 1670.023127081302
4.57
1.847e-05
5.057e-08
d
yr
n .2155658770002615 2.384e-09 deg/d
Q 3.176123811313739 2.3417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      716  
   data-arc span      8401 days (23.00 yr)  
   first obs. used      1997-01-31  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56648  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:36:11  

Additional Information
 Earth MOID = 1.33811 au 
 Jupiter MOID = 2.27292 au 
 T_jup = 3.302 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO337760  
diameter diameter 6.710 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65220 (2002 EH22)          Discovered 2002-Mar-10 by NEAT at Haleakala
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-04 10:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin