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
JPL Small-Body Database Browser
Search: [ help ]  
109261 (2001 QB108)
Classification: Main-belt Asteroid          SPK-ID: 2109261
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134099176656139 4.1676e-08  
a 3.168271360987142 3.1136e-08 au
q 2.808957966795267 1.3188e-07 au
i 5.105006107493016 6.425e-06 deg
node 37.75055719696778 6.2073e-05 deg
peri 227.4254762796408 7.0911e-05 deg
M 188.5320861335084 3.7392e-05 deg
tp 2459981.597903497050
(2023-Feb-06.09790350)		 0.00021964 TDB
period 2059.832870737222
5.64		 3.0364e-05
8.313e-08		 d
yr
n .1747714608861226 2.5763e-09 deg/d
Q 3.527584755179016 3.4667e-08 au
   Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      6720 days (18.40 yr)  
   first obs. used      2001-08-11  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60201  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 15:47:33  

Additional Information
 Earth MOID = 1.7966 au 
 Jupiter MOID = 1.55597 au 
 T_jup = 3.187 
[ 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 14.6   n/a MPO502755  

109261 (2001 QB108)          Discovered 2001-Aug-25 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 2020-Sep-25 17:58 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin