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 ]  
186966 (2004 RA144)
Classification: Main-belt Asteroid          SPK-ID: 2186966
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799619746398294 4.293e-08  
a 3.019396158071893 2.3938e-08 au
q 2.47601966324536 1.2097e-07 au
i 9.001583551421435 4.1409e-06 deg
node 161.536486441852 2.8845e-05 deg
peri 161.6941700079225 3.1667e-05 deg
M 108.6297741160822 1.4926e-05 deg
tp 2458818.237606154655
(2019-Nov-30.73760615)
7.5766e-05 TDB
period 1916.366516254266
5.25
2.2789e-05
6.239e-08
d
yr
n .1878555051690513 2.234e-09 deg/d
Q 3.562772652898425 2.8245e-08 au
  Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      6914 days (18.93 yr)  
   first obs. used      2002-03-05  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48374  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:46:18  

Additional Information
 Earth MOID = 1.46527 au 
 Jupiter MOID = 1.81479 au 
 T_jup = 3.204 
[ 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 15.32   n/a MPCxxxxx  

186966 (2004 RA144)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-05 07:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin