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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09372779608022068 3.4232e-08  
a 2.661473125417688 1.1907e-08 au
q 2.412019115045551 9.4403e-08 au
i 4.151681733414754 4.5436e-06 deg
node 58.95059524535254 5.0179e-05 deg
peri 249.5819986212266 5.598e-05 deg
M 306.9528287144024 2.4588e-05 deg
tp 2459234.190621827889
(2021-Jan-19.69062183)
0.00010828 TDB
period 1585.921017448883
4.34
1.0643e-05
2.914e-08
d
yr
n .2269974330620178 1.5234e-09 deg/d
Q 2.910927135789825 1.3023e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1420  
   data-arc span      21859 days (59.85 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:02:05  

Additional Information
 Earth MOID = 1.40118 au 
 Jupiter MOID = 2.2862 au 
 T_jup = 3.375 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457081.5 (2015-Feb-28.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09234997471341024 3.4223e-08  
q 2.41632279868806 9.413e-08 au
tp 2457648.559122832579
(2016-Sep-17.05912283)
0.00011079 TDB
node 58.97029565391529 5.0174e-05 deg
peri 249.5528033587805 5.6152e-05 deg
i 4.151588631433978 4.543e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1420  
   data-arc span      21859 days (59.85 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:02:05  

Additional Information
 Jupiter MOID = 2.2862 au 
 T_jup = 3.375 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.17122176330865E-15 -3.200962079784261E-15 -3.442891930144343E-13 4.332014562107273E-15 -4.82515437234802E-14 8.321385625819086E-17
q -3.200962079784261E-15 8.860489893838486E-15 7.651184428656918E-13 -1.316238243497196E-14 8.472645851517869E-14 -9.360814674454355E-17
tp -3.442891930144343E-13 7.651184428656918E-13 1.227376935241098E-8 -7.925183046185386E-12 2.802389483075902E-9 1.674802224468432E-12
node 4.332014562107273E-15 -1.316238243497196E-14 -7.925183046185386E-12 2.517410011692211E-9 -2.512124912416996E-9 -1.571906024130827E-11
peri -4.82515437234802E-14 8.472645851517869E-14 2.802389483075902E-9 -2.512124912416996E-9 3.153007619519264E-9 1.608325734581541E-11
i 8.321385625819086E-17 -9.360814674454355E-17 1.674802224468432E-12 -1.571906024130827E-11 1.608325734581541E-11 2.063862912097037E-11

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1907-Aug-14 05:10 00:02 Thisb 0.0437244356770984 0.0437178854530038 0.0437309889367089 3.34273718832977 3.34273714168012 2417801.715345896 1.86409078129581 662.565642975733 30.2710602130865 -60.5835558892698 188135.267672856 T 25 CATAB v2.0f-lin.ifort 2020-Nov-13 02:02:08 2020-Nov-13 02:02
1967-Mar-24 06:49 00:01 Europ 0.017478859271458 0.0174748020197246 0.0174829167754074 3.50818492177911 3.50818474844815 2439573.784282294 1.16425853703518 228.909267162891 46.0060055606368 28.6205588644404 28984.8578831518 T 25 CATAB v2.0f-lin.ifort 2020-Nov-13 02:02:08 2020-Nov-13 02:02
2059-Aug-15 15:19 00:01 Thisb 0.0322897964166839 0.0322866456153059 0.0322929482746523 3.30998840701179 3.30998834321733 2473321.138287318 1.06750959688519 335.747876672147 30.6857532006112 -62.572953944098 139764.928515523 T 25 CATAB v2.0f-lin.ifort 2020-Nov-13 02:02:08 2020-Nov-13 02:02

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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