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 ]  
249207 (2008 DW48)
Classification: Main-belt Asteroid          SPK-ID: 2249207
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1983698116186646 5.6827e-08  
a 2.779839739710451 4.6301e-08 au
q 2.228403454214011 1.6955e-07 au
i 13.9592983293291 6.3026e-06 deg
node 39.07433623726814 2.2711e-05 deg
peri 177.9340061579519 2.8273e-05 deg
M 98.89420108219765 2.3329e-05 deg
tp 2458135.453488168882
(2018-Jan-16.95348817)
0.00010068 TDB
period 1692.887372840509
4.63
4.2295e-05
1.158e-07
d
yr
n .2126544303983751 5.3129e-09 deg/d
Q 3.331276025206891 5.5486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      6562 days (17.97 yr)  
   first obs. used      2001-11-12  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59598  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:44:31  

Additional Information
 Earth MOID = 1.22143 au 
 Jupiter MOID = 1.6404 au 
 T_jup = 3.262 
[ 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 15.8   n/a MPO454846  
diameter diameter 4.303 km 1.420 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249207 (2008 DW48)          Discovered 2008-Feb-29 by CSS at Catalina
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ 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-09 07:46 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin