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 ]  
390620 (2001 WH64)
Classification: Main-belt Asteroid          SPK-ID: 2390620
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2062404924590719 1.9516e-07  
a 2.402346161605316 2.7696e-08 au
q 1.906885106178675 4.7105e-07 au
i 4.642248756565194 1.3063e-05 deg
node 247.3657830547202 0.00015903 deg
peri 136.8269864360526 0.00016163 deg
M 17.19029116625343 2.9781e-05 deg
tp 2458935.556971318837
(2020-Mar-27.05697132)
0.00011188 TDB
period 1360.040391352722
3.72
2.352e-05
6.439e-08
d
yr
n .2646980209476995 4.5775e-09 deg/d
Q 2.897807217031958 3.3409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      79  
   data-arc span      5521 days (15.12 yr)  
   first obs. used      2001-11-12  
   last obs. used      2016-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52586  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 21:37:56  

Additional Information
 Earth MOID = .914064 au 
 Jupiter MOID = 2.56922 au 
 T_jup = 3.491 
[ 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 17.7   n/a MPO397416  

390620 (2001 WH64)          Discovered 2001-Nov-12 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2001 WH64 = 2012 SM15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-03 09:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin