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 ]  
312452 (2008 KE29)
Classification: Main-belt Asteroid          SPK-ID: 2312452
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03027981061477604 6.6782e-08  
a 3.07303171213956 4.95e-08 au
q 2.979980893882773 1.7327e-07 au
i 12.30787444992476 6.125e-06 deg
node 97.31473009445207 2.9583e-05 deg
peri 29.7062498120597 0.00012566 deg
M 115.1133930443512 0.00012353 deg
tp 2457971.323715683885
(2017-Aug-05.82371568)
0.00067164 TDB
period 1967.655164734249
5.39
4.7542e-05
1.302e-07
d
yr
n .1829588875389258 4.4206e-09 deg/d
Q 3.166082530396347 5.0999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      5046 days (13.82 yr)  
   first obs. used      2005-10-26  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59191  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:01:56  

Additional Information
 Earth MOID = 2.0017 au 
 Jupiter MOID = 1.95565 au 
 T_jup = 3.194 
[ 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 16.1   n/a MPO440462  
diameter diameter 4.382 km 0.818 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.028   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312452 (2008 KE29)          Discovered 2008-May-29 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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 2019-Dec-10 05:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin