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173736 (2001 QJ273)
Classification: Main-belt Asteroid          SPK-ID: 2173736
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122358959494546 4.4009e-08  
a 2.749926690217169 1.8365e-08 au
q 2.413448521715916 1.2695e-07 au
i 5.655097056173824 5.2408e-06 deg
node 41.55009269830528 4.1851e-05 deg
peri 285.3187699507107 4.7184e-05 deg
M 45.17037539488694 2.009e-05 deg
tp 2458791.507211671238
(2019-Nov-04.00721167)
9.2927e-05 TDB
period 1665.636009012911
4.56
1.6686e-05
4.568e-08
d
yr
n .2161336558840026 2.1652e-09 deg/d
Q 3.086404858718423 2.0613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      8058 days (22.06 yr)  
   first obs. used      1997-09-07  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58638  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:48:20  

Additional Information
 Earth MOID = 1.40981 au 
 Jupiter MOID = 2.24717 au 
 T_jup = 3.328 
[ 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 15.8   n/a MPO439994  
diameter diameter 2.651 km 0.538 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.120   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173736 (2001 QJ273)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 QJ273 = 2006 SM109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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