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22994 Workman (1999 VH66)
Classification: Main-belt Asteroid          SPK-ID: 2022994
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1072181802032671 3.265e-08  
a 2.920692218531245 1.4785e-08 au
q 2.607540913926482 9.3977e-08 au
i 3.006466788046563 4.0351e-06 deg
node 70.31548698309031 6.6286e-05 deg
peri 277.4578425693588 6.9029e-05 deg
M 134.0083432793128 1.9668e-05 deg
tp 2458521.833433864919
(2019-Feb-07.33343387)
9.8763e-05 TDB
period 1823.16979547605
4.99
1.3844e-05
3.79e-08
d
yr
n .1974582953783522 1.4994e-09 deg/d
Q 3.233843523136008 1.6371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1420  
   data-arc span      9603 days (26.29 yr)  
   first obs. used      1994-11-07  
   last obs. used      2021-02-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51456  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:15:51  

Additional Information
 Earth MOID = 1.60122 au 
 Jupiter MOID = 2.16066 au 
 T_jup = 3.269 
[ 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 14.46   n/a E2021B10  
diameter diameter 3.833 km 0.637 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.251   0.129 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22994 Workman           Discovered 1999 Nov. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
David Workman mentored a finalist in the 2007 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Illinois Mathematics and Science Academy, Aurora, Illinois.
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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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