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 ]  
109490 (2001 QQ226)
Classification: Main-belt Asteroid          SPK-ID: 2109490
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08685593807638484 3.4832e-08  
a 2.724847541223186 1.4901e-08 au
q 2.488178351915115 9.8449e-08 au
i 9.004460031255721 4.9441e-06 deg
node 305.3102654388769 2.5149e-05 deg
peri 136.3052352462361 3.9837e-05 deg
M 250.9343061163462 3.0417e-05 deg
tp 2459098.234110615126
(2020-Sep-05.73411062)
0.00013954 TDB
period 1642.902304482568
4.50
1.3476e-05
3.69e-08
d
yr
n .2191244111215621 1.7974e-09 deg/d
Q 2.961516730531256 1.6195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      730  
   data-arc span      9458 days (25.89 yr)  
   first obs. used      1994-01-04  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54181  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:16:01  

Additional Information
 Earth MOID = 1.51307 au 
 Jupiter MOID = 2.21294 au 
 T_jup = 3.334 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO400984  

109490 (2001 QQ226)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-13 05:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin