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
JPL Small-Body Database Browser
Search: [ help ]  
15443 (1998 WM19)
Classification: Main-belt Asteroid          SPK-ID: 2015443
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2406215857489148 2.5469e-08  
a 2.581791346237425 8.7053e-09 au
q 1.96055661843295 6.6394e-08 au
i 3.758569161259091 4.9683e-06 deg
node 209.0285634813482 4.9132e-05 deg
peri 230.0060046124627 5.0878e-05 deg
M 83.03990359171898 1.2825e-05 deg
tp 2458650.986082728964
(2019-Jun-16.48608273)
5.2937e-05 TDB
period 1515.235504561939
4.15
7.6637e-06
2.098e-08
d
yr
n .2375868298466763 1.2017e-09 deg/d
Q 3.203026074041899 1.08e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1759  
   data-arc span      10579 days (28.96 yr)  
   first obs. used      1991-05-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:11:13  

Additional Information
 Earth MOID = .978547 au 
 Jupiter MOID = 2.07574 au 
 T_jup = 3.380 
[ 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 14.6   n/a MPO502287  
diameter diameter 2.936 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.356   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

15443 (1998 WM19)          Discovered 1998-Nov-23 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WM19 = 1993 PC4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-27 23:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin