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 ]  
15445 (1998 XE)
Classification: Main-belt Asteroid          SPK-ID: 2015445
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1781691569464888 4.018e-08  
a 2.665191050190071 1.1651e-08 au
q 2.190336207676379 1.105e-07 au
i 13.11717928955832 4.2418e-06 deg
node 84.17473805490786 1.8053e-05 deg
peri 336.5563173363328 2.1922e-05 deg
M 32.21930817194865 1.0634e-05 deg
tp 2458858.265596344173
(2020-Jan-09.76559634)		 4.7021e-05 TDB
period 1589.245338317919
4.35		 1.0421e-05
2.853e-08		 d
yr
n .2265226087628669 1.4854e-09 deg/d
Q 3.140045892703763 1.3727e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1572  
   data-arc span      23815 days (65.20 yr)  
   first obs. used      1954-11-23  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:18:38  

Additional Information
 Earth MOID = 1.20997 au 
 Jupiter MOID = 2.18945 au 
 T_jup = 3.324 
[ 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 13.5   n/a MPO263485  
diameter diameter 12.170 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15445 (1998 XE)          Discovered 1998-Dec-01 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XE = 1958 TS = 1980 WZ 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-04 03:47 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin