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 ]  
65492 (2104 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2065492
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 .2032787642985191 4.9224e-08  
a 3.114462335226366 2.2271e-08 au
q 2.48135828026727 1.5491e-07 au
i 26.52863141820241 6.5249e-06 deg
node 195.4195081286167 9.6223e-06 deg
peri 125.4695445246623 1.7232e-05 deg
M 252.8133892122597 1.4163e-05 deg
tp 2459198.238307608254
(2020-Dec-14.73830761)
8.2033e-05 TDB
period 2007.580883074099
5.50
2.1534e-05
5.896e-08
d
yr
n .179320296898201 1.9235e-09 deg/d
Q 3.747566390185462 2.6799e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      21424 days (58.66 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53798  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:05:55  

Additional Information
 Earth MOID = 1.55257 au 
 Jupiter MOID = 2.00747 au 
 T_jup = 3.026 
[ 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 14.1   n/a MPO432207  
diameter diameter 8.242 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.065   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

65492 (2104 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2104 P-L = 1999 TJ39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-27 09:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin