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 ]  
19502 (1998 KB51)
Classification: Main-belt Asteroid          SPK-ID: 2019502
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1084821051204716 2.6236e-08  
a 2.517172063336413 7.4063e-09 au
q 2.244103938955238 6.6817e-08 au
i 8.492768906872689 1.0009e-06 deg
node 178.671406984171 2.9344e-06 deg
peri 62.37117913599054 8.5755e-06 deg
M 235.4181248642819 8.0912e-06 deg
tp 2459705.300927412088
(2022-May-05.80092741)		 3.3831e-05 TDB
period 1458.706041070412
3.99		 6.4379e-06
1.763e-08		 d
yr
n .2467940694451561 1.0892e-09 deg/d
Q 2.790240187717589 8.2097e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2658  
   data-arc span      14165 days (38.78 yr)  
   first obs. used      1982-05-23  
   last obs. used      2021-03-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45673  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 02:17:10  

Additional Information
 Earth MOID = 1.24607 au 
 Jupiter MOID = 2.22715 au 
 T_jup = 3.435 
[ 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 13.39   n/a E2021B10  
diameter diameter 5.005 km 0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.303   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19502 (1998 KB51)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KB51 = 1982 KD3 = 1995 UG26 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-12 20:49 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin