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 ]  
423230 (2004 RD320)
Classification: Main-belt Asteroid          SPK-ID: 2423230
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2328268387838426 1.9162e-07  
a 2.73918186861338 3.9248e-08 au
q 2.101426813290108 5.0773e-07 au
i 6.943673871447459 1.0023e-05 deg
node 246.2698563035197 6.1719e-05 deg
peri 147.9903171360641 7.1602e-05 deg
M 142.2785733872936 1.8865e-05 deg
tp 2458346.064679698546
(2018-Aug-15.56467970)
9.1052e-05 TDB
period 1655.883311868824
4.53
3.559e-05
9.744e-08
d
yr
n .2174066236549635 4.6727e-09 deg/d
Q 3.376936923936652 4.8387e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      5228 days (14.31 yr)  
   first obs. used      2004-09-13  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60448  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:26:28  

Additional Information
 Earth MOID = 1.11218 au 
 Jupiter MOID = 2.07607 au 
 T_jup = 3.300 
[ 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 16.9   n/a MPO472251  
diameter diameter 3.045 km 0.672 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

423230 (2004 RD320)          Discovered 2004-Sep-13 by LINEAR at Socorro
Reference: Last Updated: 2015-02-04

Alternate Designations
 2004 RD320 = 2009 WT166 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-08 22:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin