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 ]  
173729 (2001 QU216)
Classification: Main-belt Asteroid          SPK-ID: 2173729
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002144853880225 5.1048e-08  
a 2.809663816098711 2.692e-08 au
q 2.528094802655032 1.5193e-07 au
i 3.96999495964866 6.3842e-06 deg
node 14.80854501361539 7.373e-05 deg
peri 304.0927470545087 7.9925e-05 deg
M 291.7435865107225 3.2845e-05 deg
tp 2458926.652662771682
(2020-Mar-18.15266277)		 0.00015919 TDB
period 1720.204045239652
4.71		 2.4723e-05
6.769e-08		 d
yr
n .2092774987922123 3.0077e-09 deg/d
Q 3.091232829542391 2.9618e-08 au
   Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      6078 days (16.64 yr)  
   first obs. used      2001-08-18  
   last obs. used      2018-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54238  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:52:18  

Additional Information
 Earth MOID = 1.51698 au 
 Jupiter MOID = 2.17579 au 
 T_jup = 3.311 
[ 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 15.7   n/a MPO436862  

173729 (2001 QU216)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-20 15:22 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin