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22991 Jeffreyklus (1999 VX62)
Classification: Main-belt Asteroid          SPK-ID: 2022991
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1274387023359094 3.0434e-08  
a 2.307415121628731 5.3563e-09 au
q 2.013361132778111 7.0373e-08 au
i 2.241106239970356 3.4789e-06 deg
node 64.94290082094808 7.0243e-05 deg
peri 304.4797207313549 7.1347e-05 deg
M 35.1023009092434 1.152e-05 deg
tp 2459075.669671726760
(2020-Aug-14.16967173)
4.0976e-05 TDB
period 1280.227136521778
3.51
4.4577e-06
1.22e-08
d
yr
n .2812001009274622 9.7914e-10 deg/d
Q 2.601469110479351 6.0389e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1644  
   data-arc span      11343 days (31.06 yr)  
   first obs. used      1989-12-30  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51406  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:15:47  

Additional Information
 Earth MOID = 1.01219 au 
 Jupiter MOID = 2.86071 au 
 T_jup = 3.575 
[ 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 15.41   n/a E2021B10  

22991 Jeffreyklus           Discovered 1999 Nov. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jeffrey Klus mentored a finalist in the 2007 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Fairport High School, Fairport, 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: 20070303/MPCPages.arcLast Updated: 2010-04-12

[ show close-approach data ]
Alternate Designations
 1999 VX62 = 1989 YS4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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