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 ]  
39396 (6243 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2039396
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07509060170447103 5.0398e-08  
a 2.353448002460008 1.1046e-08 au
q 2.176726175875101 1.2194e-07 au
i 2.83409407273126 4.4732e-06 deg
node 319.8469269560845 8.7599e-05 deg
peri 219.541320655487 9.2113e-05 deg
M 266.0097483596154 3.1819e-05 deg
tp 2458944.798911341107
(2020-Apr-05.29891134)
0.00011773 TDB
period 1318.728335328154
3.61
9.2845e-06
2.542e-08
d
yr
n .2729902667257219 1.922e-09 deg/d
Q 2.530169829044915 1.1876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      21289 days (58.29 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52311  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:06:32  

Additional Information
 Earth MOID = 1.1813 au 
 Jupiter MOID = 2.43752 au 
 T_jup = 3.551 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO452716  
diameter diameter 4.712 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39396 (6243 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 08:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin