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173698 (2001 QR16)
Classification: Main-belt Asteroid          SPK-ID: 2173698
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2464361635264968 3.8994e-08  
a 2.714296818143766 1.3766e-08 au
q 2.045395923608239 1.0236e-07 au
i 10.68202001949571 4.3217e-06 deg
node 131.6114763377914 3.1334e-05 deg
peri 192.7372185992482 3.3991e-05 deg
M 77.52744583612116 1.2155e-05 deg
tp 2458648.747325078732
(2019-Jun-14.24732508)
5.4469e-05 TDB
period 1633.369468140756
4.47
1.2426e-05
3.402e-08
d
yr
n .2204032872059152 1.6767e-09 deg/d
Q 3.383197712679293 1.7158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      10046 days (27.50 yr)  
   first obs. used      1992-07-26  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55602  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:08:01  

Additional Information
 Earth MOID = 1.0344 au 
 Jupiter MOID = 1.96275 au 
 T_jup = 3.293 
[ 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 16.0   n/a MPO439994  
diameter diameter 1.783 km 0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.266   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173698 (2001 QR16)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 QR16 = 2005 MB10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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