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173697 (2001 QL5)
Classification: Main-belt Asteroid          SPK-ID: 2173697
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2283866912782445 5.2789e-08  
a 2.878977281238399 2.1522e-08 au
q 2.221457185711125 1.4819e-07 au
i 9.074222934010708 5.3346e-06 deg
node 137.4196821410378 3.2721e-05 deg
peri 227.3907481043478 3.4206e-05 deg
M 196.0279829010216 1.1918e-05 deg
tp 2459413.186455859267
(2021-Jul-17.68645586)
6.5315e-05 TDB
period 1784.250320789393
4.89
2.0008e-05
5.478e-08
d
yr
n .2017654113917871 2.2625e-09 deg/d
Q 3.536497376765672 2.6438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      388  
   data-arc span      9212 days (25.22 yr)  
   first obs. used      1994-02-15  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61596  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:42:21  

Additional Information
 Earth MOID = 1.22942 au 
 Jupiter MOID = 1.95135 au 
 T_jup = 3.238 
[ 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 15.6   n/a MPO436862  
diameter diameter 4.858 km 0.753 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173697 (2001 QL5)          Discovered 2001-Aug-16 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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