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 ]  
226734 (2004 PJ105)
Classification: Main-belt Asteroid          SPK-ID: 2226734
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .159273035498804 6.2472e-08  
a 2.77275606116511 2.2463e-08 au
q 2.331130786605635 1.7655e-07 au
i 2.570569680988046 7.0082e-06 deg
node 164.2062266112986 0.00011812 deg
peri 193.8167821236466 0.00011946 deg
M 42.06403852327283 1.5965e-05 deg
tp 2458403.450930866657
(2018-Oct-11.95093087)
7.4894e-05 TDB
period 1686.420690413637
4.62
2.0493e-05
5.611e-08
d
yr
n .213469866710246 2.594e-09 deg/d
Q 3.214381335724584 2.604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      8004 days (21.91 yr)  
   first obs. used      1996-12-04  
   last obs. used      2018-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58094  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:48:33  

Additional Information
 Earth MOID = 1.32642 au 
 Jupiter MOID = 2.2288 au 
 T_jup = 3.316 
[ 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 16.4   n/a MPO266653  
diameter diameter 4.236 km 0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.030   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226734 (2004 PJ105)          Discovered 2004-Aug-06 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-10 21:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin