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JPL Small-Body Database Browser
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17258 Whalen (2000 HK90)
Classification: Main-belt Asteroid          SPK-ID: 2017258
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1840237247141091 3.5304e-08  
a 2.251236924829629 6.3245e-09 au
q 1.836955920708544 7.8345e-08 au
i 4.653312889066217 3.7803e-06 deg
node 70.55207759015819 4.2366e-05 deg
peri 326.7481710408103 4.3551e-05 deg
M 61.46428983388304 9.5042e-06 deg
tp 2458389.855269444429
(2018-Sep-28.35526944)
3.2461e-05 TDB
period 1233.758711032923
3.38
5.1991e-06
1.423e-08
d
yr
n .2917912528444092 1.2296e-09 deg/d
Q 2.665517928950714 7.4884e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1001  
   data-arc span      23444 days (64.19 yr)  
   first obs. used      1954-12-22  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 22:16:42  

Additional Information
 Earth MOID = .846045 au 
 Jupiter MOID = 2.74885 au 
 T_jup = 3.600 
[ 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 15.6   n/a MPO467889  

17258 Whalen           Discovered 2000 Apr. 29 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of Patrice Whalen for mentoring a finalist in the 2002 Intel Science Talent Search, a science competition for high school seniors. Whalen is a teacher at the Humanities and Sciences Institute, Phoenix, Arizona.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020227/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 2000 HK90 = 1984 UX3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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