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 ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2096122180462588 4.5476e-08  
a 2.278050321697327 2.1588e-08 au
q 1.800543140945357 1.0922e-07 au
i 2.462327447476067 5.6621e-06 deg
node 358.4126872614236 0.00013544 deg
peri 228.6028103879671 0.00013639 deg
M 43.0204284416766 1.8243e-05 deg
tp 2458850.422485924368
(2020-Jan-01.92248592)
6.2401e-05 TDB
period 1255.86627154292
3.44
1.7852e-05
4.888e-08
d
yr
n .2866547244379092 4.0748e-09 deg/d
Q 2.755557502449297 2.6114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   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      .56044  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:46:45  

Additional Information
 Earth MOID = .792183 au 
 Jupiter MOID = 2.23627 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 2020-Jul-14 11:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin