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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1840743333074607 3.5145e-08  
a 2.25079743875114 6.0952e-09 au
q 1.836483400802884 7.8077e-08 au
i 4.653298556875386 3.6201e-06 deg
node 70.54916190607628 4.0893e-05 deg
peri 326.6701002068619 4.1882e-05 deg
M 178.2951873100578 9.122e-06 deg
tp 2458389.642141898265
(2018-Sep-28.14214190)
3.064e-05 TDB
period 1233.39744742633
3.38
5.0101e-06
1.372e-08
d
yr
n .2918767188558678 1.1856e-09 deg/d
Q 2.665111476699397 7.2172e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      23868 days (65.35 yr)  
   first obs. used      1954-12-22  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52176  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:33:48  

Additional Information
 Earth MOID = .84616 au 
 Jupiter MOID = 2.75103 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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