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 ]  
442257 (2011 PF8)
Classification: Main-belt Asteroid          SPK-ID: 2442257
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .272017612791805 2.8914e-07  
a 2.574235870740088 1.0431e-07 au
q 1.873998374418336 8.1191e-07 au
i 4.548689910744166 1.4316e-05 deg
node 321.2663064874295 5.1862e-05 deg
peri 333.1758891722217 0.00015929 deg
M 70.45953110700431 6.7027e-05 deg
tp 2458705.237575636779
(2019-Aug-09.73757564)		 0.00029581 TDB
period 1508.588988611551
4.13		 9.1698e-05
2.511e-07		 d
yr
n .2386335858989204 1.4505e-08 deg/d
Q 3.27447336706184 1.3269e-07 au
   Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      4376 days (11.98 yr)  
   first obs. used      2003-10-17  
   last obs. used      2015-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44351  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:40:28  

Additional Information
 Earth MOID = .85939 au 
 Jupiter MOID = 1.95384 au 
 T_jup = 3.371 
[ 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 17.9   n/a MPO349187  

442257 (2011 PF8)          Discovered 2007-Sep-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2011 PF8 = 2007 RU269 = 2011 PO8 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-27 03:29 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin