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 ]  
52287 (1990 QP4)
Classification: Main-belt Asteroid          SPK-ID: 2052287
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777962580007057 8.9399e-08  
a 2.377166926708828 1.533e-08 AU
q 1.95451554249696 2.1273e-07 AU
i 2.464326640072826 1.0178e-05 deg
node 347.6480907972905 0.00012476 deg
peri 330.295024825282 0.00012639 deg
M 187.5570538485507 2.1999e-05 deg
tp 2457441.755169443122
(2016-Feb-23.25516944)
8.4068e-05 JED
period 1338.714433681599
3.67
1.295e-05
3.546e-08
d
yr
n .2689147072314474 2.6013e-09 deg/d
Q 2.799818310920695 1.8056e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      8596 days (23.53 yr)  
   first obs. used      1990-08-16  
   last obs. used      2014-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53683  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 08:18:14  

Additional Information
 Earth MOID = .940712 AU 
 T_jup = 3.518 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4 mag n/a MPO247752  

52287 (1990 QP4)          Discovered 1990-Aug-23 by Holt, H. E. at Palomar (675)
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QP4 = 1990 QY9 = 2000 GE118 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-24 02:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin