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 ]  
37664 (1994 PF39)
Classification: Main-belt Asteroid          SPK-ID: 2037664
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1637844895267105 6.6584e-08  
a 3.065626658733437 2.6315e-08 au
q 2.563524561353306 2.0153e-07 au
i 17.4542991905504 7.0061e-06 deg
node 153.5245624894311 1.8631e-05 deg
peri 235.0041824702226 2.5222e-05 deg
M 249.5555389507537 1.9546e-05 deg
tp 2459601.976636456160
(2022-Jan-22.47663646)
0.00011024 TDB
period 1960.547292884772
5.37
2.5244e-05
6.911e-08
d
yr
n .1836221963665522 2.3643e-09 deg/d
Q 3.567728756113568 3.0625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      9035 days (24.74 yr)  
   first obs. used      1994-08-10  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57333  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:01:09  

Additional Information
 Earth MOID = 1.60681 au 
 Jupiter MOID = 2.02832 au 
 T_jup = 3.142 
[ 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 14.6   n/a MPO436031  
diameter diameter 6.863 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37664 (1994 PF39)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
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-May-24 23:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin