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 ]  
109452 (2001 QB208)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109452
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 .1138757123551781 4.4996e-08  
a 3.221570983884641 3.279e-08 au
q 2.854712293192005 1.3929e-07 au
i 5.161023749950699 3.9512e-06 deg
node 92.71570268951066 5.2044e-05 deg
peri 124.381231427437 5.4743e-05 deg
M 125.0481178385766 1.8087e-05 deg
tp 2457866.874120887507
(2017-Apr-23.37412089)
0.00010387 TDB
period 2112.029521479311
5.78
3.2245e-05
8.828e-08
d
yr
n .1704521628787879 2.6023e-09 deg/d
Q 3.588429674577276 3.6524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      884  
   data-arc span      7557 days (20.69 yr)  
   first obs. used      1999-02-23  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56097  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:15:39  

Additional Information
 Earth MOID = 1.8515 au 
 Jupiter MOID = 1.4026 au 
 T_jup = 3.172 
[ 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 14.4   n/a MPO436526  
diameter diameter 6.440 km 0.315 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.098   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109452 (2001 QB208)          Discovered 2001-Aug-23 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-15 21:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin