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 ]  
52061 (2002 QR9)
Classification: Main-belt Asteroid          SPK-ID: 2052061
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 .09765319606715267 5.2242e-08  
a 3.057019333257965 2.2221e-08 au
q 2.758491624926249 1.6463e-07 au
i 1.854894980919187 4.3033e-06 deg
node 268.3330569366036 0.0001814 deg
peri 107.1831677990165 0.00018286 deg
M 14.84161124218981 2.4116e-05 deg
tp 2458520.013275125996
(2019-Feb-05.51327513)
0.00013058 TDB
period 1952.296181446549
5.35
2.1287e-05
5.828e-08
d
yr
n .1843982503378452 2.0106e-09 deg/d
Q 3.355547041589682 2.4391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      702  
   data-arc span      9872 days (27.03 yr)  
   first obs. used      1992-11-25  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56696  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:56:46  

Additional Information
 Earth MOID = 1.75948 au 
 Jupiter MOID = 2.11356 au 
 T_jup = 3.227 
[ 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 14.9   n/a MPO452878  

52061 (2002 QR9)          Discovered 2002-Aug-20 by NEAT at Palomar
Reference: 20021120/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-Jan-21 18:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin