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 ]  
523609 (2005 PJ2)
Classification: Apollo [NEO, PHA]          SPK-ID: 2523609
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6594859973815143 2.0871e-07  
a 1.198120774074656 9.0859e-09 au
q .4079769004005195 2.4794e-07 au
i 17.41570361903764 2.1951e-05 deg
node 326.4947111205129 1.3293e-05 deg
peri 128.8173987591859 2.5859e-05 deg
M 106.4292375386959 3.698e-05 deg
tp 2458458.885483283112
(2018-Dec-06.38548328)
4.7658e-05 TDB
period 479.015233004406
1.31
5.4489e-06
1.492e-08
d
yr
n .7515418617108753 8.5489e-09 deg/d
Q 1.988264647748792 1.5078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      4760 days (13.03 yr)  
   first obs. used      2005-07-27  
   last obs. used      2018-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40462  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:52:00  

Additional Information
 Earth MOID = .0438891 au 
 Jupiter MOID = 3.28941 au 
 T_jup = 5.031 
[ 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 19.4   n/a E2018N44  
rotation period rot_per 1.42 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Higley, S.; Hardersen, P.; Dyvig, R. (2008) Minor Planet Bull. 35, 175-177.]

523609 (2005 PJ2)          Discovered 2005-Aug-04 by NEAT at Palomar
Reference: Last Updated: 2018-10-01

[ 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 2020-Jan-18 21:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin