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173720 (2001 QZ182)
Classification: Main-belt Asteroid          SPK-ID: 2173720
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 .1911481104350554 4.6441e-08  
a 2.788405057605338 1.8416e-08 au
q 2.255406699716526 1.2632e-07 au
i 10.97702719138872 5.9907e-06 deg
node 94.10717188877067 2.9895e-05 deg
peri 337.8742389876061 3.6912e-05 deg
M 295.6087409248362 1.998e-05 deg
tp 2459304.698197213536
(2021-Mar-31.19819721)
9.5411e-05 TDB
period 1700.717652826769
4.66
1.6849e-05
4.613e-08
d
yr
n .2116753474050455 2.097e-09 deg/d
Q 3.321403415494151 2.1936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      6150 days (16.84 yr)  
   first obs. used      2001-08-13  
   last obs. used      2018-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57762  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:08:27  

Additional Information
 Earth MOID = 1.27447 au 
 Jupiter MOID = 1.96599 au 
 T_jup = 3.277 
[ 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 15.1   n/a MPO449898  
diameter diameter 5.949 km 0.351 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173720 (2001 QZ182)          Discovered 2001-Aug-23 by NEAT at Palomar
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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