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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1669763699565241 1.1574e-07  
a 2.857634001625946 3.2493e-08 au
q 2.38047664937011 3.2626e-07 au
i 13.4390759378758 7.7817e-06 deg
node 270.5478528594294 3.2622e-05 deg
peri 82.45610860003573 4.136e-05 deg
M 288.3367498480065 2.51e-05 deg
tp 2458951.738678133904
(2020-Apr-12.23867813)
0.00012605 TDB
period 1764.445847209289
4.83
3.0094e-05
8.239e-08
d
yr
n .2040300644927068 3.4799e-09 deg/d
Q 3.334791353881783 3.7919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      6497 days (17.79 yr)  
   first obs. used      2000-08-03  
   last obs. used      2018-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53532  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 05:47:38  

Additional Information
 Earth MOID = 1.41923 au 
 Jupiter MOID = 2.22849 au 
 T_jup = 3.242 
[ 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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