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 ]  
243653 (1999 TD265)
Classification: Main-belt Asteroid          SPK-ID: 2243653
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2186226263932914 6.9989e-08  
a 3.118174731631749 3.0038e-08 au
q 2.436471182249219 2.1355e-07 au
i 17.54310561097703 8.0994e-06 deg
node 239.566136534546 2.1255e-05 deg
peri 124.3213396863755 2.7231e-05 deg
M 192.0523336567689 1.8365e-05 deg
tp 2459538.754317519497
(2021-Nov-20.25431752)
0.00011183 TDB
period 2011.171465858433
5.51
2.9061e-05
7.956e-08
d
yr
n .179000152951325 2.5865e-09 deg/d
Q 3.799878281014279 3.6605e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      7203 days (19.72 yr)  
   first obs. used      1999-08-11  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59878  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:35:40  

Additional Information
 Earth MOID = 1.48285 au 
 Jupiter MOID = 1.89711 au 
 T_jup = 3.109 
[ 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 14.7   n/a MPO396767  
diameter diameter 5.278 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.110   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243653 (1999 TD265)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ 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-09 23:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin