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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122868961493097 4.3983e-08  
a 2.751480997465686 1.8614e-08 au
q 2.413409384739086 1.2692e-07 au
i 5.655510922507355 5.2409e-06 deg
node 41.5658070231996 4.1837e-05 deg
peri 285.1878474071241 4.7134e-05 deg
M 318.8453013210327 2.0005e-05 deg
tp 2458791.074649222703
(2019-Nov-03.57464922)
9.2642e-05 TDB
period 1667.048378979762
4.56
1.6916e-05
4.631e-08
d
yr
n .2159505414115941 2.1914e-09 deg/d
Q 3.089552610192285 2.0901e-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 = 1.40888 au 
 Jupiter MOID = 2.24211 au 
 T_jup = 3.327 
[ 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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