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22138 Laynrichards (2000 VD25)
Classification: Main-belt Asteroid          SPK-ID: 2022138
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1577910912513026 3.9641e-08  
a 3.173220969835568 1.9521e-08 au
q 2.672514970223697 1.2733e-07 au
i 2.03027642996564 3.9151e-06 deg
node 72.08260784363708 0.0001187 deg
peri 294.8471975666712 0.00011927 deg
M 270.8317154698653 1.4259e-05 deg
tp 2459907.895392697681
(2022-Nov-24.39539270)
8.4633e-05 TDB
period 2064.661693799293
5.65
1.9052e-05
5.216e-08
d
yr
n .1743627060458244 1.609e-09 deg/d
Q 3.673926969447438 2.2602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      958  
   data-arc span      11075 days (30.32 yr)  
   first obs. used      1991-03-09  
   last obs. used      2021-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54229  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:04:57  

Additional Information
 Earth MOID = 1.67127 au 
 Jupiter MOID = 1.78886 au 
 T_jup = 3.181 
[ 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 14.47   n/a E2021B10  
diameter diameter 7.453 km 0.477 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22138 Laynrichards           Discovered 2000 Nov. 1 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Layne Richards mentored a finalist in the 2005 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. He teaches at the Kamehameha Schools, Keaau Campus, Keaau, Hawaii.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051019/MPCPages.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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