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 ]  
277939 (2006 PO18)
Classification: Outer Main-belt Asteroid          SPK-ID: 2277939
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08521622151153783 4.876e-08  
a 3.240433783026285 3.5136e-08 au
q 2.964296259978446 1.5032e-07 au
i 10.06830823091203 5.281e-06 deg
node 125.9015660905434 3.2321e-05 deg
peri 197.0948478642688 4.6425e-05 deg
M 50.7107651067594 3.3306e-05 deg
tp 2458300.375937778589
(2018-Jun-30.87593778)		 0.00019718 TDB
period 2130.606039412848
5.83		 3.4653e-05
9.487e-08		 d
yr
n .1689660093609839 2.7481e-09 deg/d
Q 3.516571306074123 3.813e-08 au
   Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      7556 days (20.69 yr)  
   first obs. used      1999-03-21  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 20:12:18  

Additional Information
 Earth MOID = 1.95219 au 
 Jupiter MOID = 1.77291 au 
 T_jup = 3.154 
[ 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 15.2   n/a MPO418478  

277939 (2006 PO18)          Discovered 2006-Aug-13 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ 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-20 23:58 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin