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 ]  
109496 (2001 QA229)
Classification: Main-belt Asteroid          SPK-ID: 2109496
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06690329863143822 5.0591e-08  
a 3.102548418399683 3.2939e-08 au
q 2.894977695044993 1.5548e-07 au
i 8.380976734797761 5.8771e-06 deg
node 277.4461017410285 4.3401e-05 deg
peri 289.5589298230642 6.653e-05 deg
M 288.3533676560287 5.2682e-05 deg
tp 2459397.755171515623
(2021-Jul-02.25517152)
0.00029441 TDB
period 1996.072349346895
5.46
3.1787e-05
8.703e-08
d
yr
n .1803541841145138 2.8721e-09 deg/d
Q 3.310119141754374 3.5142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      6736 days (18.44 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:26:59  

Additional Information
 Earth MOID = 1.90323 au 
 Jupiter MOID = 1.77192 au 
 T_jup = 3.202 
[ 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 14.8   n/a MPO338040  
diameter diameter 4.495 km 0.227 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109496 (2001 QA229)          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 2020-Aug-13 04:02 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin