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 ]  
249329 (2008 UU340)
Classification: Main-belt Asteroid          SPK-ID: 2249329
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08187383791065828 5.3108e-08  
a 3.167158637918871 4.5519e-08 au
q 2.90785120496056 1.6154e-07 au
i 3.315878921530771 7.5472e-06 deg
node 346.9446883223324 0.00010335 deg
peri 280.1657559915628 0.00011346 deg
M 91.52512513267449 4.7481e-05 deg
tp 2458077.091244744002
(2017-Nov-19.59124474)
0.00027081 TDB
period 2058.747820546719
5.64
4.4383e-05
1.215e-07
d
yr
n .1748635730938619 3.7697e-09 deg/d
Q 3.426466070877181 4.9245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      5373 days (14.71 yr)  
   first obs. used      2005-03-04  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51918  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:44:32  

Additional Information
 Earth MOID = 1.89396 au 
 Jupiter MOID = 1.65881 au 
 T_jup = 3.195 
[ 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 MPO454848  
diameter diameter 4.197 km 1.431 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249329 (2008 UU340)          Discovered 2008-Oct-24 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 UU340 = 2005 EM65 = 2007 RM76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-15 21:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin