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 ]  
48921 (1998 OK11)
Classification: Main-belt Asteroid          SPK-ID: 2048921
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06002806747612277 3.7919e-08  
a 2.220376656193479 7.8832e-09 au
q 2.087091736453089 8.3999e-08 au
i 4.961028800713958 3.2292e-06 deg
node 135.6782503210773 4.7651e-05 deg
peri 94.90034158855919 5.5551e-05 deg
M 178.497375601375 2.8619e-05 deg
tp 2458001.305607495362
(2017-Sep-04.80560750)
9.5882e-05 TDB
period 1208.477046650808
3.31
6.4359e-06
1.762e-08
d
yr
n .2978956042216189 1.5865e-09 deg/d
Q 2.353661575933869 8.3565e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1468  
   data-arc span      7801 days (21.36 yr)  
   first obs. used      1998-07-26  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51656  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:15:57  

Additional Information
 Earth MOID = 1.0832 au 
 Jupiter MOID = 2.62906 au 
 T_jup = 3.643 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO459186  
diameter diameter 2.586 km 0.402 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.318   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48921 (1998 OK11)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 OK11 = 2000 AQ79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-29 14:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin