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 ]  
390657 (2002 QR118)
Classification: Main-belt Asteroid          SPK-ID: 2390657
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703291691318471 5.5752e-08  
a 2.217968991117547 1.9706e-08 au
q 1.840184175700294 1.1576e-07 au
i 5.317482270227908 1.0067e-05 deg
node 107.2365623535251 8.4752e-05 deg
peri 313.9066822422529 9.3899e-05 deg
M 305.2747577169779 4.4908e-05 deg
tp 2458783.907387290767
(2019-Oct-27.40738729)
0.000152 TDB
period 1206.511961759922
3.30
1.6079e-05
4.402e-08
d
yr
n .2983807963866956 3.9764e-09 deg/d
Q 2.5957538065348 2.3062e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      5326 days (14.58 yr)  
   first obs. used      2002-08-18  
   last obs. used      2017-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56633  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 21:37:37  

Additional Information
 Earth MOID = .857633 au 
 Jupiter MOID = 2.7164 au 
 T_jup = 3.627 
[ 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 18.0   n/a MPO476839  

390657 (2002 QR118)          Discovered 2002-Aug-30 by NEAT at Palomar
Reference: Last Updated: 2014-04-17

Alternate Designations
 2002 QR118 = 2006 WB204 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-26 18:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin