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

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02483031005692984 6.7054e-08  
a 2.770167687425144 2.9e-08 AU
q 2.70138356483669 1.8004e-07 AU
i 15.58847864411759 7.5449e-06 deg
node 118.88443320625 2.8524e-05 deg
peri 202.2766215549827 0.00016975 deg
M 110.0137105785047 0.00016712 deg
tp 2456485.862027085202
(2013-Jul-12.36202709)
0.0007828 JED
period 1684.059825589837
4.61
2.6444e-05
7.24e-08
d
yr
n .2137691277528761 3.3568e-09 deg/d
Q 2.838951810013599 2.972e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      515  
   data-arc span      6604 days (18.08 yr)  
   first obs. used      1997-01-14  
   last obs. used      2015-02-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55977  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:02:44  

Additional Information
 Earth MOID = 1.69061 AU 
 T_jup = 3.284 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO270280  

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

[ show close-approach data ]
Alternate Designations
 2000 WR142 = 1998 KS58 = 1999 NK39 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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