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22580 Kenkaplan (1998 HB67)
Classification: Main-belt Asteroid          SPK-ID: 2022580
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1340727251137667 3.7373e-08  
a 2.258952373719051 8.209e-09 au
q 1.956088473072326 8.3528e-08 au
i 3.371300595602518 4.5858e-06 deg
node 184.23416648 6.5218e-05 deg
peri 234.0195172131997 6.7407e-05 deg
M 25.28635351183909 1.6168e-05 deg
tp 2459113.395068554618
(2020-Sep-20.89506855)
5.5624e-05 TDB
period 1240.106656962452
3.40
6.7598e-06
1.851e-08
d
yr
n .2902976110795123 1.5824e-09 deg/d
Q 2.561816274365776 9.3097e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1148  
   data-arc span      11481 days (31.43 yr)  
   first obs. used      1989-09-30  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53234  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:07:50  

Additional Information
 Earth MOID = .969575 au 
 Jupiter MOID = 2.74543 au 
 T_jup = 3.607 
[ 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 15.5   n/a MPO449120  
diameter diameter 3.659 km 0.875 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.092   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

22580 Kenkaplan           Discovered 1998 Apr. 21 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Kenneth Kaplan mentored a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Byram Hills High School, Armonk, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060314/MPCPages.arcLast Updated: 2006-03-23

Alternate Designations
 1998 HB67 = 1989 SB12 = 1999 RV53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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