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 ]  
226804 (2004 RB213)
Classification: Main-belt Asteroid          SPK-ID: 2226804
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1297000540007788 5.9551e-08  
a 2.737934366798125 2.4984e-08 au
q 2.38282413157382 1.6621e-07 au
i 14.26856452217445 6.8179e-06 deg
node 264.0241385999151 2.6573e-05 deg
peri 212.5835887251297 3.8614e-05 deg
M 340.9348131251571 2.8382e-05 deg
tp 2458688.133779458835
(2019-Jul-23.63377946)
0.00013085 TDB
period 1654.752235699782
4.53
2.265e-05
6.201e-08
d
yr
n .2175552280476351 2.9778e-09 deg/d
Q 3.09304460202243 2.8225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      7057 days (19.32 yr)  
   first obs. used      1999-10-14  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55042  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:17:08  

Additional Information
 Earth MOID = 1.41125 au 
 Jupiter MOID = 2.11849 au 
 T_jup = 3.295 
[ 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 MPO325992  
diameter diameter 3.865 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226804 (2004 RB213)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-15 05:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin