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JPL Small-Body Database Browser
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109629 (2001 QR323)
Classification: Main-belt Asteroid          SPK-ID: 2109629
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08961933772944637 4.1815e-08  
a 3.091788461987515 2.2728e-08 au
q 2.81470442762465 1.2872e-07 au
i 10.35966165939722 4.8093e-06 deg
node 135.3841677521314 2.595e-05 deg
peri 266.5853812479049 3.757e-05 deg
M 55.2338351507892 2.646e-05 deg
tp 2458295.839757290015
(2018-Jun-26.33975729)
0.00014592 TDB
period 1985.697481917974
5.44
2.1895e-05
5.995e-08
d
yr
n .1812964982220141 1.999e-09 deg/d
Q 3.36887249635038 2.4764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      966  
   data-arc span      6641 days (18.18 yr)  
   first obs. used      2001-08-27  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55689  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:16:43  

Additional Information
 Earth MOID = 1.84679 au 
 Jupiter MOID = 2.00608 au 
 T_jup = 3.193 
[ 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 14.0   n/a MPO338041  
diameter diameter 6.343 km 0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.133   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109629 (2001 QR323)          Discovered 2001-Aug-27 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 ]
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