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 ]  
212751 (2007 TD9)
Classification: Main-belt Asteroid          SPK-ID: 2212751
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1764952703524652 5.5715e-08  
a 2.761164021094567 2.2924e-08 au
q 2.273831630703982 1.5166e-07 au
i 1.923872076319881 6.7956e-06 deg
node 346.3119962616416 0.00017484 deg
peri 41.50016382298224 0.00017592 deg
M 171.9893240656387 2.2095e-05 deg
tp 2457799.862874579352
(2017-Feb-15.36287458)
9.7313e-05 TDB
period 1675.85614233493
4.59
2.087e-05
5.714e-08
d
yr
n .2148155745029646 2.6752e-09 deg/d
Q 3.248496411485153 2.697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      7481 days (20.48 yr)  
   first obs. used      1998-10-15  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64617  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:38:32  

Additional Information
 Earth MOID = 1.27823 au 
 Jupiter MOID = 2.20424 au 
 T_jup = 3.318 
[ 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 16.4   n/a MPO437021  

212751 (2007 TD9)          Discovered 2007-Oct-06 by LINEAR at Socorro
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2007 TD9 = 1998 UD10 
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