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 ]  
39422 (3109 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2039422
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1239021968807197 4.241e-08  
a 2.988467713150147 2.5891e-08 au
q 2.618189998183744 1.2534e-07 au
i 10.73892525615861 4.6945e-06 deg
node 166.9097843381948 2.3616e-05 deg
peri 147.9023459137089 2.9855e-05 deg
M 333.6520762264346 2.0053e-05 deg
tp 2458738.606836281552
(2019-Sep-12.10683628)
0.00010598 TDB
period 1886.997301519482
5.17
2.4522e-05
6.714e-08
d
yr
n .1907792871299361 2.4792e-09 deg/d
Q 3.358745428116551 2.9099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      16287 days (44.59 yr)  
   first obs. used      1973-09-19  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60121  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:00:41  

Additional Information
 Earth MOID = 1.61142 au 
 Jupiter MOID = 2.01752 au 
 T_jup = 3.219 
[ 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 15.1   n/a MPO493124  

39422 (3109 T-2)          Discovered 1973-Sep-30 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
 3109 T-2 = 1998 MD14 
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-23 23:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin