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146800 (2001 YW45)
Classification: Main-belt Asteroid          SPK-ID: 2146800
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663073854125748 1.0039e-07  
a 2.855275760666103 2.1052e-08 au
q 2.380422314277823 2.7691e-07 au
i 13.44074043412664 6.0247e-06 deg
node 270.5489358635477 2.2141e-05 deg
peri 82.70502019957817 3.223e-05 deg
M 50.6218621655897 1.8721e-05 deg
tp 2458952.697244779684
(2020-Apr-13.19724478)
9.1546e-05 TDB
period 1762.262154392926
4.82
1.949e-05
5.336e-08
d
yr
n .2042828866877726 2.2593e-09 deg/d
Q 3.330129207054383 2.4553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      464  
   data-arc span      7472 days (20.46 yr)  
   first obs. used      2000-08-03  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46584  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:30:42  

Additional Information
 Earth MOID = 1.41856 au 
 Jupiter MOID = 2.23587 au 
 T_jup = 3.243 
[ 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 15.5   n/a MPO449801  
diameter diameter 2.503 km 0.448 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.148   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146800 (2001 YW45)          Discovered 2001-Dec-18 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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