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 ]  
469366 Watkins (2001 PH13)
Classification: Mars-crossing Asteroid          SPK-ID: 2469366
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5444046614319035 9.4076e-08  
a 2.930419891987184 1.2982e-08 au
q 1.335085642836586 2.756e-07 au
i 11.11374099152014 9.7952e-06 deg
node 148.7710007342897 2.6467e-05 deg
peri 220.5407256962888 3.3745e-05 deg
M 177.7661321503792 9.3394e-06 deg
tp 2457695.726796349364
(2016-Nov-03.22679635)
4.1755e-05 TDB
period 1832.285764302344
5.02
1.2176e-05
3.334e-08
d
yr
n .1964759029479621 1.3056e-09 deg/d
Q 4.525754141137782 2.005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      5561 days (15.23 yr)  
   first obs. used      2001-08-11  
   last obs. used      2016-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59617  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:43:20  

Additional Information
 Earth MOID = .35685 au 
 Jupiter MOID = 1.04938 au 
 T_jup = 3.011 
[ 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 18.1   n/a MPO382860  

469366 Watkins           Discovered 2001 Aug. 11 by NEAT at Haleakala.
Michael Watkins (b. 1963) was Manager of JPL's Science Division from 2013-2015. He personally created a new vision for the Division, set the standard for scientific and strategic leadership and guided the Science Division in providing that leadership to JPL. In 2016, he became the ninth director of JPL.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-10-26Last Updated: 2019-04-09

[ show close-approach data ]
Alternate Designations
 2001 PH13 = 2002 AS206 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin