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22173 Myersdavis (2000 XE25)
Classification: Main-belt Asteroid          SPK-ID: 2022173
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 .1320063411905716 2.4906e-08  
a 2.546749546515407 1.0956e-08 au
q 2.21056245695116 6.5286e-08 au
i 9.641199780010034 8.8019e-07 deg
node 341.9875665526483 6.6217e-06 deg
peri 71.95804821309721 1.0895e-05 deg
M 354.0811402982703 6.4646e-06 deg
tp 2459224.906939695667
(2021-Jan-10.40693970)
2.6653e-05 TDB
period 1484.491732059877
4.06
9.5796e-06
2.623e-08
d
yr
n .2425072448874235 1.5649e-09 deg/d
Q 2.882936636079653 1.2403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1622  
   data-arc span      11725 days (32.10 yr)  
   first obs. used      1989-02-01  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48902  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:01:52  

Additional Information
 Earth MOID = 1.24218 au 
 Jupiter MOID = 2.50033 au 
 T_jup = 3.411 
[ 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 13.98   n/a E2021B10  
diameter diameter 4.742 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22173 Myersdavis           Discovered 2000 Dec. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Myers Abraham Davis (b. 1988) is a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors, for his computer science project. He attends the Baltimore Polytechnic Institute, Baltimore, Maryland.
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
 2000 XE25 = 1989 CK4 = 1991 RM40 = 1999 RK231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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