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 ]  
487293 (2014 QR40)
Classification: Main-belt Asteroid          SPK-ID: 2487293
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0697718398169984 5.6134e-08  
a 2.752873675160362 5.2055e-08 au
q 2.560800614060641 1.5902e-07 au
i 5.192734700830775 9.0701e-06 deg
node 310.0339570173509 9.5272e-05 deg
peri 334.5922269247214 0.00012682 deg
M 60.75372730862058 8.7385e-05 deg
tp 2458318.954702579762
(2018-Jul-19.45470258)
0.00040156 TDB
period 1668.314218095782
4.57
4.732e-05
1.296e-07
d
yr
n .2157866882000831 6.1206e-09 deg/d
Q 2.944946736260082 5.5687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      6113 days (16.74 yr)  
   first obs. used      2003-01-28  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58532  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:44:23  

Additional Information
 Earth MOID = 1.54496 au 
 Jupiter MOID = 2.17844 au 
 T_jup = 3.335 
[ 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 17.1   n/a MPO409256  

487293 (2014 QR40)          Discovered 2010-Oct-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin