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 ]  
212988 (2009 DA18)
Classification: Main-belt Asteroid          SPK-ID: 2212988
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04166461029941031 5.5709e-08  
a 2.864190291130686 3.0456e-08 au
q 2.744854918827372 1.6606e-07 au
i 5.907547890254059 1.3193e-05 deg
node 165.3062120204143 6.8566e-05 deg
peri 121.6930894944493 0.00018414 deg
M 273.0555306830846 0.00017151 deg
tp 2459028.102946849088
(2020-Jun-27.60294685)
0.00084412 TDB
period 1770.521599304564
4.85
2.824e-05
7.732e-08
d
yr
n .2033299114460975 3.2432e-09 deg/d
Q 2.983525663434 3.1725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      6466 days (17.70 yr)  
   first obs. used      2001-08-23  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57515  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:20:34  

Additional Information
 Earth MOID = 1.73384 au 
 Jupiter MOID = 2.08676 au 
 T_jup = 3.291 
[ 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 16.3   n/a MPO433392  

212988 (2009 DA18)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2009 DA18 = 2004 CR111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin