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JPL Small-Body Database Browser
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26671 Williamlopes (2001 DQ73)
Classification: Main-belt Asteroid          SPK-ID: 2026671
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06645144876882141 3.3166e-08  
a 2.383553553195985 1.1138e-08 au
q 2.225162966368039 7.9622e-08 au
i 1.433092306740767 4.5063e-06 deg
node 183.4865120107409 0.00015709 deg
peri 303.3788252445915 0.00016162 deg
M 10.51535672739787 3.7068e-05 deg
tp 2458561.239366084804
(2019-Mar-18.73936608)
0.00013838 TDB
period 1344.113050643804
3.68
9.4209e-06
2.579e-08
d
yr
n .2678346139318913 1.8773e-09 deg/d
Q 2.54194414002393 1.1878e-08 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      8546 days (23.40 yr)  
   first obs. used      1995-08-19  
   last obs. used      2019-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5537  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:59:24  

Additional Information
 Earth MOID = 1.24101 au 
 Jupiter MOID = 2.48002 au 
 T_jup = 3.533 
[ 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 16.2   n/a MPO426065  
diameter diameter 3.720 km 0.490 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26671 Williamlopes           Discovered 2001 Feb. 19 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
William Lopes (b. 1989) was awarded second place in the 2010 Intel International Science and Engineering Fair for his microbiology project. He attends the Fundacao Escola Tecnica Liberato Salzano Vieira da Cunha, Novo Hamburgo, Rio Grande do Sul, Brazil.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

Alternate Designations
 2001 DQ73 = 1995 QO1 = 1999 TZ258 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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