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65672 Merrick (1988 QD)
Classification: Main-belt Asteroid          SPK-ID: 2065672
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2720792540706516 5.2371e-08  
a 2.386901023251389 1.7247e-08 au
q 1.737474773304676 1.2285e-07 au
i 24.30826169705605 7.0343e-06 deg
node 160.0081010090232 1.0757e-05 deg
peri 147.7619698755447 1.7214e-05 deg
M 231.2264234432687 1.7586e-05 deg
tp 2459482.308325311785
(2021-Sep-24.80832531)
6.9606e-05 TDB
period 1346.945559408522
3.69
1.4599e-05
3.997e-08
d
yr
n .2672713811522457 2.8969e-09 deg/d
Q 3.036327273198101 2.194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      442  
   data-arc span      15536 days (42.54 yr)  
   first obs. used      1977-10-08  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:53:13  

Additional Information
 Earth MOID = .755965 au 
 Jupiter MOID = 2.42784 au 
 T_jup = 3.368 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO309646  
diameter diameter 1.881 km 0.328 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.379   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65672 Merrick           Discovered 1988 Aug. 16 by C. S. Shoemaker and E. M. Shoemaker at Palomar.
In spite of facing the challenge of a rare form of leukemia, Dawson Tate Merrick (1999-2009) excelled at all he attempted, from his academic studies to sports.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20091004/MPCPages.arcLast Updated: 2009-10-06

Alternate Designations
 1988 QD = 1999 RE29 = 2002 FK3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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