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JPL Small-Body Database Browser
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173740 (2001 QX287)
Classification: Main-belt Asteroid          SPK-ID: 2173740
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192510999411773 5.8869e-08  
a 2.984845953706164 2.5199e-08 au
q 2.628899790571732 1.7889e-07 au
i 10.88936992914328 6.6429e-06 deg
node 329.9860553118968 2.4796e-05 deg
peri 345.4795404118133 3.153e-05 deg
M 177.2558587246518 2.1763e-05 deg
tp 2457673.073698540672
(2016-Oct-11.57369854)		 0.00010864 TDB
period 1883.568029443784
5.16		 2.3852e-05
6.53e-08		 d
yr
n .1911266247741037 2.4203e-09 deg/d
Q 3.340792116840596 2.8204e-08 au
   Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      6463 days (17.69 yr)  
   first obs. used      2001-07-22  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5871  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:41:19  

Additional Information
 Earth MOID = 1.61635 au 
 Jupiter MOID = 1.97769 au 
 T_jup = 3.220 
[ 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 14.9   n/a MPO433116  
diameter diameter 3.828 km 0.954 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.159   0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173740 (2001 QX287)          Discovered 2001-Aug-17 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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