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 ]  
332956 (2011 EO9)
Classification: Main-belt Asteroid          SPK-ID: 2332956
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02552394288067504 5.8523e-08  
a 3.110515544889207 4.3419e-08 au
q 3.031122923792004 1.916e-07 au
i 7.599730235175912 7.3642e-06 deg
node 347.6029513346401 4.1628e-05 deg
peri 126.8178014586282 0.0001396 deg
M 306.6066178621833 0.00013531 deg
tp 2459297.688446515160
(2021-Mar-24.18844652)
0.00075456 TDB
period 2003.765943676416
5.49
4.1955e-05
1.149e-07
d
yr
n .1796617020745891 3.7618e-09 deg/d
Q 3.189908165986411 4.4527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      6281 days (17.20 yr)  
   first obs. used      2002-08-18  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50779  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 09:47:21  

Additional Information
 Earth MOID = 2.05352 au 
 Jupiter MOID = 1.8213 au 
 T_jup = 3.205 
[ 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 16.3   n/a MPO455452  
diameter diameter 3.538 km 0.791 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

332956 (2011 EO9)          Discovered 2008-Sep-23 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2011 EO9 = 2010 FD103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-30 00:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin