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20564 Michaellane (1999 RT122)
Classification: Main-belt Asteroid          SPK-ID: 2020564
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09372779885575871 3.4677e-08  
a 2.661473126433351 1.2097e-08 au
q 2.412019108578998 9.5267e-08 au
i 4.151682194639162 4.5856e-06 deg
node 58.95058259480381 5.2644e-05 deg
peri 249.5820129144192 5.826e-05 deg
M 306.9528264998715 2.5035e-05 deg
tp 2459234.190631717412
(2021-Jan-19.69063172)
0.0001103 TDB
period 1585.921018356704
4.34
1.0813e-05
2.96e-08
d
yr
n .2269974329320787 1.5477e-09 deg/d
Q 2.910927144287704 1.3231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1363  
   data-arc span      21793 days (59.67 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52211  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:43:16  

Additional Information
 Earth MOID = 1.40118 au 
 Jupiter MOID = 2.2862 au 
 T_jup = 3.375 
[ 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 14.4   n/a MPO384930  
diameter diameter 3.437 km 0.791 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.312   0.218 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20564 Michaellane           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Michael Lane mentored a finalist in the 2004 Discovery Channel Youth Science Challenge (DCYSC), a middle school science competition. He teaches at the C.V. Koogler Middle School, Aztec, New Mexico.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041028/MPCPages.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 RT122 = 1978 WE1 = 1998 HT76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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