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 ]  
226802 (2004 RF209)
Classification: Main-belt Asteroid          SPK-ID: 2226802
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1661513089476143 4.9269e-08  
a 2.807289773603807 2.4123e-08 au
q 2.340854903124282 1.4372e-07 au
i 11.56024185833437 4.6553e-06 deg
node 249.009605052853 2.688e-05 deg
peri 94.51483582367273 3.0384e-05 deg
M 39.18107135971378 1.3892e-05 deg
tp 2458413.516580134277
(2018-Oct-22.01658013)
6.6017e-05 TDB
period 1718.024260583976
4.70
2.2144e-05
6.063e-08
d
yr
n .2095430246588205 2.7009e-09 deg/d
Q 3.273724644083331 2.8131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      7034 days (19.26 yr)  
   first obs. used      1999-07-13  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4848  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:00:46  

Additional Information
 Earth MOID = 1.3676 au 
 Jupiter MOID = 2.25406 au 
 T_jup = 3.273 
[ 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 15.3   n/a MPO450051  
diameter diameter 2.643 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.253   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226802 (2004 RF209)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2004 RF209 = 1999 NU62 
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-06 01:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin