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JPL Small-Body Database Browser
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20897 Deborahdomingue (2000 WR142)
Classification: Main-belt Asteroid          SPK-ID: 2020897
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02454227249580824 4.4548e-08  
a 2.771459680720322 1.9007e-08 au
q 2.703441762024938 1.2183e-07 au
i 15.57454759185008 4.7072e-06 deg
node 118.7926600520504 1.9231e-05 deg
peri 207.52105672845 0.00010878 deg
M 172.0160065606856 0.00010854 deg
tp 2458195.255746089109
(2018-Mar-17.75574609)
0.00050735 TDB
period 1685.238119428444
4.61
1.7336e-05
4.746e-08
d
yr
n .2136196635061255 2.1975e-09 deg/d
Q 2.839477599415706 1.9473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      916  
   data-arc span      8391 days (22.97 yr)  
   first obs. used      1997-01-14  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 01:27:03  

Additional Information
 Earth MOID = 1.69343 au 
 Jupiter MOID = 2.35687 au 
 T_jup = 3.283 
[ 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 14.4   n/a MPO333011  
diameter diameter 5.991 km 0.333 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.103   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20897 Deborahdomingue           Discovered 2000 Nov. 20 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Deborah L. Domingue (b. 1963) works at Johns Hopkins University Applied Physics Laboratory. Domingue has worked on the NEAR space mission and is deputy project scientist for the MESSENGER mission. She is an expert in photometry and Hapke theory and in the analysis of small-body remote sensing data.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080718/MPCPages.arcLast Updated: 2008-07-18

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Alternate Designations
 2000 WR142 = 1998 KS58 = 1999 NK39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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