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 ]  
20233 (1998 AZ6)
Classification: Main-belt Asteroid          SPK-ID: 2020233
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1939540558440478 4.1851e-08  
a 2.142450891336813 7.887e-09 au
q 1.726913851515342 9.1585e-08 au
i 2.0219904704486 3.7256e-06 deg
node 78.03697236082787 0.00011994 deg
peri 245.5261414665032 0.00012035 deg
M 57.81569951942947 8.7665e-06 deg
tp 2458416.546513035425
(2018-Oct-25.04651304)		 2.7717e-05 TDB
period 1145.419944023893
3.14		 6.325e-06
1.732e-08		 d
yr
n .314295208389082 1.7355e-09 deg/d
Q 2.557987931158283 9.4168e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1404  
   data-arc span      10646 days (29.15 yr)  
   first obs. used      1990-09-16  
   last obs. used      2019-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55968  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:05:55  

Additional Information
 Earth MOID = .714963 au 
 Jupiter MOID = 2.75609 au 
 T_jup = 3.687 
[ 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 15.1   n/a MPO290618  
diameter diameter 2.750 km 0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.234   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20233 (1998 AZ6)          Discovered 1998-Jan-05 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 AZ6 = 1990 SQ18 = 1999 JO 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-21 12:04 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin