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 ]  
441777 (2009 DF45)
Classification: Main-belt Asteroid          SPK-ID: 2441777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1796152502139396 1.1473e-07  
a 2.751485447928049 3.8235e-08 au
q 2.257276700738438 3.3157e-07 au
i 24.2985244459609 1.4659e-05 deg
node 352.579751200881 1.4825e-05 deg
peri 229.0756433634232 4.7384e-05 deg
M 44.19652689180088 5.0797e-05 deg
tp 2458395.839090916983
(2018-Oct-04.33909092)
0.00023312 TDB
period 1667.05242360468
4.56
3.4748e-05
9.513e-08
d
yr
n .2159500174694983 4.5013e-09 deg/d
Q 3.245694195117659 4.5103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      6635 days (18.17 yr)  
   first obs. used      2000-03-03  
   last obs. used      2018-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51051  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:51:43  

Additional Information
 Earth MOID = 1.31219 au 
 Jupiter MOID = 1.89829 au 
 T_jup = 3.195 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO440828  

441777 (2009 DF45)          Discovered 2009-Feb-22 by LINEAR at Socorro
Reference: Last Updated: 2015-09-02

Alternate Designations
 2009 DF45 = 2001 QQ182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin