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 ]  
39419 (1244 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2039419
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09567519223387908 3.9851e-08  
a 2.698634527319441 1.5231e-08 au
q 2.44044215014917 1.1024e-07 au
i 14.24456962407277 4.1693e-06 deg
node 189.9316075367295 1.8704e-05 deg
peri 265.0146303388337 3.0415e-05 deg
M 107.8843157293336 2.2499e-05 deg
tp 2458515.244634263198
(2019-Jan-31.74463426)
0.0001014 TDB
period 1619.25234900248
4.43
1.3708e-05
3.753e-08
d
yr
n .2223248280119979 1.8821e-09 deg/d
Q 2.956826904489712 1.6688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      811  
   data-arc span      16933 days (46.36 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5454  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:12:31  

Additional Information
 Earth MOID = 1.50605 au 
 Jupiter MOID = 2.26265 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 14.9   n/a MPO272820  
diameter diameter 2.669 km 0.432 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.358   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39419 (1244 T-2)          Discovered 1973-Sep-29 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
 1244 T-2 = 1998 HQ119 = 2000 SH127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-29 10:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin