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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2280070953765645 5.2918e-08  
a 2.881276419716246 2.1093e-08 au
q 2.224324952279758 1.4904e-07 au
i 9.074408547100173 5.3343e-06 deg
node 137.3953307856121 3.2704e-05 deg
peri 227.211632875553 3.4184e-05 deg
M 276.9254357781795 1.2535e-05 deg
tp 2459412.731700075629
(2021-Jul-17.23170008)
6.5441e-05 TDB
period 1786.388089030104
4.89
1.9616e-05
5.371e-08
d
yr
n .2015239589933995 2.2129e-09 deg/d
Q 3.538227887152735 2.5902e-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 = 1.233 au 
 Jupiter MOID = 1.95261 au 
 T_jup = 3.237 
[ 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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