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 ]  
39446 (3348 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2039446
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1244511302720624 4.0551e-08  
a 3.120239109157879 2.2846e-08 au
q 2.731921825304088 1.2946e-07 au
i .8741982062052425 4.3278e-06 deg
node 10.69303953937611 0.00029164 deg
peri 294.6516227608373 0.00029213 deg
M 242.6683932229913 1.6813e-05 deg
tp 2459256.634325258762
(2021-Feb-11.13432526)
9.531e-05 TDB
period 2013.169030763156
5.51
2.2111e-05
6.054e-08
d
yr
n .1788225402332612 1.964e-09 deg/d
Q 3.50855639301167 2.569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1118  
   data-arc span      15177 days (41.55 yr)  
   first obs. used      1977-10-07  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54954  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:06:45  

Additional Information
 Earth MOID = 1.71621 au 
 Jupiter MOID = 1.71774 au 
 T_jup = 3.204 
[ 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 14.1   n/a MPO474251  

39446 (3348 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 3348 T-3 = 1999 TA89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-24 08:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin