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 ]  
23456 (1989 DB)
Classification: Main-belt Asteroid          SPK-ID: 2023456
[ 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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752790165661637 2.9866e-08  
a 2.373103748673881 7.6513e-09 au
q 1.957148457396847 7.049e-08 au
i 3.33046321253111 3.6706e-06 deg
node 35.20332490697698 6.388e-05 deg
peri 150.5484469128748 6.4849e-05 deg
M 69.86016400187214 1.187e-05 deg
tp 2458341.380190936818
(2018-Aug-10.88019094)		 4.3639e-05 TDB
period 1335.283599681296
3.66		 6.4578e-06
1.768e-08		 d
yr
n .2696056478832844 1.3039e-09 deg/d
Q 2.789059039950915 8.9924e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1791  
   data-arc span      24823 days (67.96 yr)  
   first obs. used      1951-11-08  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50953  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:37:21  

Additional Information
 Earth MOID = .959798 au 
 Jupiter MOID = 2.16823 au 
 T_jup = 3.520 
[ 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 14.1   n/a MPO449127  
diameter diameter 3.909 km 0.626 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.296   0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

23456 (1989 DB)          Discovered 1989-Feb-26 by Suzuki, K., Furuta, T. at Toyota
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 DB = 1978 EN6 = 1998 SM141 
[ 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 20:10 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin