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17493 Wildcat (1991 YA)
Classification: Mars-crossing Asteroid          SPK-ID: 2017493
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4415367307289813 1.5375e-07  
a 2.737207227603573 1.342e-08 au
q 1.528629696999753 4.2659e-07 au
i 44.36275666237045 1.0393e-05 deg
node 274.1845925327972 1.4169e-05 deg
peri 174.9966354870757 2.8806e-05 deg
M 182.5822226318781 1.1967e-05 deg
tp 2460211.681992499246
(2023-Sep-24.18199250)
5.7687e-05 TDB
period 1654.093077103657
4.53
1.2165e-05
3.331e-08
d
yr
n .2176419241354698 1.6006e-09 deg/d
Q 3.945784758207394 1.9345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      730  
   data-arc span      9981 days (27.33 yr)  
   first obs. used      1991-12-02  
   last obs. used      2019-03-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46241  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:04:28  

Additional Information
 Earth MOID = .546784 au 
 Jupiter MOID = 1.29973 au 
 T_jup = 2.831 
[ 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 14.6   n/a MPO467893  

17493 Wildcat           Discovered 1991 Dec. 31 by C. S. Shoemaker and D. H. Levy at Palomar.
The University of Arizona (whose athletic symbol is a wildcat) has contributed to astronomy and planetary sciences almost from its founding in 1885. Today the university remains in the forefront of astronomical research, discovery and in astronomical instrument development.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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