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22567 Zenisek (1998 HK33)
Classification: Main-belt Asteroid          SPK-ID: 2022567
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1395721250732228 3.7337e-08  
a 2.330475515914726 6.8221e-09 au
q 2.005206095727393 8.877e-08 au
i 6.377052323968072 3.8796e-06 deg
node .7970770108787296 2.8412e-05 deg
peri 318.9674109339668 3.0688e-05 deg
M 30.27125036490126 1.081e-05 deg
tp 2459091.231972577443
(2020-Aug-29.73197258)
3.9035e-05 TDB
period 1299.466966112848
3.56
5.706e-06
1.562e-08
d
yr
n .2770366691789662 1.2165e-09 deg/d
Q 2.655744936102059 7.7743e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1653  
   data-arc span      14404 days (39.44 yr)  
   first obs. used      1981-09-03  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49701  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:07:40  

Additional Information
 Earth MOID = .99592 au 
 Jupiter MOID = 2.64802 au 
 T_jup = 3.550 
[ 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 15.11   n/a E2021B10  

22567 Zenisek           Discovered 1998 Apr. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Sergio-Francis Mellejor Zenisek (b. 1988) is a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors, for his biochemistry project. He attends the Oregon Episcopal School, Portland, Oregon.
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

[ show close-approach data ]
Alternate Designations
 1998 HK33 = 1981 RO7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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