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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782352207835952 6.7506e-08  
a 2.37615830215791 1.4033e-08 AU
q 1.952643202556022 1.6477e-07 AU
i 2.464928034105752 8.2905e-06 deg
node 347.645437309649 0.0001189 deg
peri 330.3722217909403 0.00012039 deg
M 241.2819065159298 1.9424e-05 deg
tp 2457441.690238878203
(2016-Feb-23.19023888)
7.3135e-05 JED
period 1337.862505494706
3.66
1.1851e-05
3.245e-08
d
yr
n .2690859475629609 2.3837e-09 deg/d
Q 2.799673401759798 1.6534e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      671  
   data-arc span      9047 days (24.77 yr)  
   first obs. used      1990-08-16  
   last obs. used      2015-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53521  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:22:47  

Additional Information
 Earth MOID = .940745 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 15.5 mag n/a MPO337676  

52287 (1990 QP4)          Discovered 1990-Aug-23 by Holt, H. E. at Palomar
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 2015-Sep-02 02:25 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin