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 ]  
39423 (3136 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2039423
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1412923034004704 3.737e-08  
a 3.058347165994642 2.1731e-08 au
q 2.626226250312958 1.1382e-07 au
i 4.257952570358863 4.6611e-06 deg
node 150.9054587839367 5.8642e-05 deg
peri 262.9815154495182 6.1054e-05 deg
M 232.3897391237924 1.8608e-05 deg
tp 2459692.987114011979
(2022-Apr-23.48711401)
0.00010505 TDB
period 1953.568305029555
5.35
2.0822e-05
5.701e-08
d
yr
n .1842781739820219 1.9641e-09 deg/d
Q 3.490468081676326 2.4802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      16685 days (45.68 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:12:32  

Additional Information
 Earth MOID = 1.64181 au 
 Jupiter MOID = 1.87967 au 
 T_jup = 3.215 
[ 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 15.2   n/a MPO436046  
diameter diameter 3.934 km 1.394 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39423 (3136 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
 3136 T-2 = 2000 UJ88 
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-30 12:58 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin