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 ]  
212109 (2005 EY170)
Classification: Main-belt Asteroid          SPK-ID: 2212109
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1503363637284526 1.0487e-07  
a 2.617939282286351 4.0837e-08 au
q 2.224367810125546 2.5851e-07 au
i 16.44331396868776 1.2461e-05 deg
node 314.9388718408229 3.2972e-05 deg
peri 270.0079914239907 7.5572e-05 deg
M 76.37291823491609 7.9499e-05 deg
tp 2458272.272725734416
(2018-Jun-02.77272573)
0.00033894 TDB
period 1547.169094313713
4.24
3.6201e-05
9.911e-08
d
yr
n .2326830346618882 5.4444e-09 deg/d
Q 3.011510754447157 4.6976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      151  
   data-arc span      6236 days (17.07 yr)  
   first obs. used      2002-09-04  
   last obs. used      2019-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60768  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:43:32  

Additional Information
 Earth MOID = 1.28831 au 
 Jupiter MOID = 2.25865 au 
 T_jup = 3.333 
[ 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 15.9   n/a MPO454522  
diameter diameter 4.037 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212109 (2005 EY170)          Discovered 2005-Mar-07 by LINEAR at Socorro
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 EY170 = 2002 RL256 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin