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 ]  
201930 (2004 DR20)
Classification: Main-belt Asteroid          SPK-ID: 2201930
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07584341218909316 4.3522e-08  
a 2.98179854029301 2.9303e-08 au
q 2.755648764536731 1.3342e-07 au
i 9.013998927681264 4.7174e-06 deg
node 136.2693679157663 3.0907e-05 deg
peri 45.72832113543082 4.7026e-05 deg
M 323.9976221533837 3.6766e-05 deg
tp 2458788.580841121622
(2019-Nov-01.08084112)
0.00019346 TDB
period 1880.684189590202
5.15
2.7723e-05
7.59e-08
d
yr
n .1914196982101729 2.8217e-09 deg/d
Q 3.207948316049289 3.1525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      6330 days (17.33 yr)  
   first obs. used      2001-10-10  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52998  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:09:46  

Additional Information
 Earth MOID = 1.76913 au 
 Jupiter MOID = 1.78704 au 
 T_jup = 3.236 
[ 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 15.2   n/a MPO433323  

201930 (2004 DR20)          Discovered 2004-Feb-17 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ 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 2020-Jan-21 05:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin