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 ]  
39439 (2242 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2039439
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1245543281641208 7.071e-08  
a 3.090588190857464 2.5797e-08 au
q 2.705642055113247 2.2529e-07 au
i 8.532237098335546 8.91e-06 deg
node 355.5979254699558 3.3586e-05 deg
peri 327.0455406426095 4.6097e-05 deg
M 275.4295224392567 3.1498e-05 deg
tp 2459066.704456161448
(2020-Aug-05.20445616)
0.00017301 TDB
period 1984.541285078753
5.43
2.4848e-05
6.803e-08
d
yr
n .1814021218438467 2.2713e-09 deg/d
Q 3.47553432660168 2.9011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      15188 days (41.58 yr)  
   first obs. used      1977-10-07  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5592  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:08:56  

Additional Information
 Earth MOID = 1.69779 au 
 Jupiter MOID = 1.89136 au 
 T_jup = 3.196 
[ 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 14.2   n/a MPO351108  

39439 (2242 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
 2242 T-3 = 1999 VK192 
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-22 23:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin