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 ]  
66106 (1998 SJ26)
Classification: Main-belt Asteroid          SPK-ID: 2066106
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1953525308338412 4.6693e-08  
a 3.127841537804353 2.4958e-08 au
q 2.516809777347059 1.4466e-07 au
i 14.82639029113254 6.2874e-06 deg
node 45.55704985169435 1.813e-05 deg
peri 44.00523356821854 2.6136e-05 deg
M 271.5146246056264 1.5345e-05 deg
tp 2459497.131815345094
(2021-Oct-09.63181535)
8.6678e-05 TDB
period 2020.531107286257
5.53
2.4183e-05
6.621e-08
d
yr
n .1781709762852947 2.1325e-09 deg/d
Q 3.738873298261646 2.9833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1012  
   data-arc span      12927 days (35.39 yr)  
   first obs. used      1984-03-07  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57383  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:46:02  

Additional Information
 Earth MOID = 1.55491 au 
 Jupiter MOID = 1.71209 au 
 T_jup = 3.134 
[ 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 13.5   n/a MPO412595  
diameter diameter 9.624 km 2.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.050   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

66106 (1998 SJ26)          Discovered 1998-Sep-22 by LONEOS at Anderson Mesa
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SJ26 = 1999 XZ230 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-31 14:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin