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173672 (2001 NY8)
Classification: Main-belt Asteroid          SPK-ID: 2173672
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1475708333728528 4.2401e-08  
a 2.631389171966555 1.5755e-08 au
q 2.243072878931149 1.0957e-07 au
i 5.570346109358347 4.4013e-06 deg
node 92.39772688801818 4.7167e-05 deg
peri 216.3829122746945 4.9516e-05 deg
M 144.4475021245113 1.5956e-05 deg
tp 2458374.918946437036
(2018-Sep-13.41894644)
6.6957e-05 TDB
period 1559.107467905817
4.27
1.4002e-05
3.834e-08
d
yr
n .2309013377272509 2.0737e-09 deg/d
Q 3.019705465001961 1.808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      457  
   data-arc span      8684 days (23.78 yr)  
   first obs. used      1996-04-22  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56434  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:07:40  

Additional Information
 Earth MOID = 1.23114 au 
 Jupiter MOID = 2.2233 au 
 T_jup = 3.377 
[ 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 15.9   n/a MPO449898  
diameter diameter 2.033 km 0.289 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.224   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173672 (2001 NY8)          Discovered 2001-Jul-12 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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