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 ]  
312515 (2009 DD15)
Classification: Main-belt Asteroid          SPK-ID: 2312515
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2093401984674164 4.5669e-08  
a 2.277528842170514 2.172e-08 au
q 1.800750502335274 1.0965e-07 au
i 2.462326486427726 5.6667e-06 deg
node 358.4285698587337 0.00013664 deg
peri 228.5539248858682 0.0001376 deg
M 288.3572982380231 1.7352e-05 deg
tp 2458850.341000157211
(2020-Jan-01.84100016)
6.2465e-05 TDB
period 1255.435066581081
3.44
1.7959e-05
4.917e-08
d
yr
n .2867531818912673 4.1019e-09 deg/d
Q 2.754307182005755 2.6267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      7161 days (19.61 yr)  
   first obs. used      1999-05-10  
   last obs. used      2018-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57463  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:50:35  

Additional Information
 Earth MOID = .79245 au 
 Jupiter MOID = 2.23798 au 
 T_jup = 3.577 
[ 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 17.4   n/a MPO423176  

312515 (2009 DD15)          Discovered 2009-Feb-16 by La Sagra at La Sagra
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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 2019-Dec-05 18:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin