Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
52439 (1994 QL)
Classification: Mars-crossing Asteroid          SPK-ID: 2052439
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1426399936781139 6.6991e-08  
a 1.92676227690577 1.2724e-08 AU
q 1.651928917908703 1.244e-07 AU
i 26.55373425810076 1.342e-05 deg
node 45.82722891361968 1.2562e-05 deg
peri 287.2765427115205 5.025e-05 deg
M 135.8835293132707 5.1095e-05 deg
tp 2456431.772994216975
(2013-May-19.27299422)
0.00013786 JED
period 976.8786750884404
2.67
9.6768e-06
2.649e-08
d
yr
n .3685206865298886 3.6505e-09 deg/d
Q 2.201595635902838 1.4539e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      579  
   data-arc span      7119 days (19.49 yr)  
   first obs. used      1994-08-16  
   last obs. used      2014-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54012  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:54:35  

Additional Information
 Earth MOID = .766249 AU 
 T_jup = 3.778 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO280042  

52439 (1994 QL)          Discovered 1994-Aug-16 by McNaught, R. H. at Siding Spring (413)
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 QL = 1999 JW4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-24 08:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin