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17185 Mcdavid (1999 VU23)
Classification: Main-belt Asteroid          SPK-ID: 2017185
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1389931559722963 2.9022e-08  
a 2.56348096159112 9.1409e-09 au
q 2.207174652464674 7.3919e-08 au
i 11.0157694176281 3.8436e-06 deg
node 186.5867543370088 1.6561e-05 deg
peri 274.1160305511891 2.188e-05 deg
M 319.420716440386 1.511e-05 deg
tp 2459169.483945446788
(2020-Nov-15.98394545)
6.3274e-05 TDB
period 1499.144761180265
4.10
8.0185e-06
2.195e-08
d
yr
n .2401369162752333 1.2844e-09 deg/d
Q 2.919787270717567 1.0411e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1931  
   data-arc span      23774 days (65.09 yr)  
   first obs. used      1954-12-22  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:58:06  

Additional Information
 Earth MOID = 1.25607 au 
 Jupiter MOID = 2.29957 au 
 T_jup = 3.394 
[ 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 13.6   n/a MPO502300  

17185 Mcdavid           Discovered 1999 Nov. 14 by C. W. Juels at Fountain Hills.
David McDavid (b. 1950), an astronomer specializing in the photometry and polarimetry of Be stars, was a coinvestigator of the NASA International Ultraviolet Explorer (1989-1995). He is also an accomplished saxophone player. The citation was prepared by M. Trueblood.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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