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 ]  
109484 (2001 QN223)
Classification: Main-belt Asteroid          SPK-ID: 2109484
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850341721946896 3.9026e-08  
a 2.420837032895581 1.1529e-08 au
q 1.972899456495498 9.6249e-08 au
i 1.477820571519251 5.7471e-06 deg
node 292.1186805386272 0.0001867 deg
peri 320.4207737104637 0.00018738 deg
M 300.7629020754437 1.7252e-05 deg
tp 2458826.879987488503
(2019-Dec-09.37998749)
6.655e-05 TDB
period 1375.772925264746
3.77
9.8276e-06
2.691e-08
d
yr
n .2616710893120124 1.8692e-09 deg/d
Q 2.868774609295663 1.3662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      9470 days (25.93 yr)  
   first obs. used      1993-04-27  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55827  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:00:34  

Additional Information
 Earth MOID = .958462 au 
 Jupiter MOID = 2.17786 au 
 T_jup = 3.490 
[ 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 16.2   n/a MPO432617  
rotation period rot_per 7.50 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

109484 (2001 QN223)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-14 17:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin