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 ]  
46745 (1997 WK47)
Classification: Main-belt Asteroid          SPK-ID: 2046745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459701377689595 4.7517e-08  
a 2.971905183940283 1.5844e-08 au
q 2.538095774804235 1.4243e-07 au
i 3.868020539133825 4.1584e-06 deg
node 65.69306830936954 7.8545e-05 deg
peri 325.7630554006391 8.0785e-05 deg
M 85.4785555450364 1.7893e-05 deg
tp 2458156.170114203822
(2018-Feb-06.67011420)
9.2225e-05 TDB
period 1871.332030199621
5.12
1.4964e-05
4.097e-08
d
yr
n .1923763363156872 1.5384e-09 deg/d
Q 3.405714593076332 1.8156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1229  
   data-arc span      9209 days (25.21 yr)  
   first obs. used      1994-02-13  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54259  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:03  

Additional Information
 Earth MOID = 1.54448 au 
 Jupiter MOID = 2.02704 au 
 T_jup = 3.243 
[ 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 14.1   n/a MPO296483  
diameter diameter 5.208 km 0.633 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.118   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46745 (1997 WK47)          Discovered 1997-Nov-26 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 WK47 = 2000 HM47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin