Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .441843622636632 1.5409e-07  
a 2.736721808743836 1.4028e-08 au
q 1.527518730619783 4.2776e-07 au
i 44.37333094117033 1.0395e-05 deg
node 274.181168507696 1.4166e-05 deg
peri 175.0132041700439 2.8789e-05 deg
M 139.8749234981452 1.1834e-05 deg
tp 2458557.987224113753
(2019-Mar-15.48722411)
5.2788e-05 TDB
period 1653.65308901932
4.53
1.2715e-05
3.481e-08
d
yr
n .2176998322021058 1.6739e-09 deg/d
Q 3.945924886867888 2.0227e-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 = .545313 au 
 Jupiter MOID = 1.29885 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-20 02:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin