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 ]  
160817 (2000 WK72)
Classification: Inner Main-belt Asteroid          SPK-ID: 2160817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04285555206037898 5.0686e-08  
a 1.89855240507429 8.0045e-09 au
q 1.817188893639271 9.3826e-08 au
i 23.50302484346187 6.2453e-06 deg
node 293.1087170818093 1.2259e-05 deg
peri 239.1866669265728 8.1397e-05 deg
M 98.05698621548754 8.3787e-05 deg
tp 2458740.239445259202
(2019-Sep-13.73944526)
0.00022189 TDB
period 955.503563007617
2.62
6.0428e-06
1.654e-08
d
yr
n .3767646861167488 2.3827e-09 deg/d
Q 1.979915916509309 8.3476e-09 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      7192 days (19.69 yr)  
   first obs. used      2000-11-19  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42317  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 12:20:50  

Additional Information
 Earth MOID = .86425 au 
 Jupiter MOID = 3.14306 au 
 T_jup = 3.848 
[ 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 15.7   n/a MPO359835  
diameter diameter 2.258 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.240   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160817 (2000 WK72)          Discovered 2000-Nov-19 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

Alternate Designations
 2000 WK72 = 2002 OK11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-21 20:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin