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JPL Small-Body Database Browser
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71461 Chowmeeyee (2000 BA4)
Classification: Main-belt Asteroid          SPK-ID: 2071461
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03060336144590646 3.8206e-08  
a 3.081964066386401 2.3151e-08 au
q 2.987645606099483 1.2356e-07 au
i 10.59410447556843 5.1249e-06 deg
node 332.5814876515159 2.2472e-05 deg
peri 79.39322721522038 8.9828e-05 deg
M 289.8322591240602 8.6059e-05 deg
tp 2458985.689798445998
(2020-May-16.18979845)
0.00047285 TDB
period 1976.240444818255
5.41
2.2268e-05
6.097e-08
d
yr
n .1821640686202571 2.0526e-09 deg/d
Q 3.17628252667332 2.386e-08 au
  Orbit Determination Parameters
   # obs. used (total)      821  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1998-07-25  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52203  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:15:33  

Additional Information
 Earth MOID = 2.01665 au 
 Jupiter MOID = 1.94862 au 
 T_jup = 3.201 
[ 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 14.3   n/a MPO453121  
diameter diameter 4.925 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71461 Chowmeeyee           Discovered 2000 Jan. 28 by W. K. Y. Yeung at the Rock Finder Observatory.
Chow Mee Yee (1960-2005) was a classmate of the discoverer at Hong Kong Pui Ching Middle School.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060413/MPCPages.arcLast Updated: 2006-04-17

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