Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09402889026610804 3.4206e-08  
a 2.662858252865566 1.1931e-08 au
q 2.41247264641267 9.4486e-08 au
i 4.150033070148525 4.408e-06 deg
node 58.93214144496291 5.0147e-05 deg
peri 249.3009943559746 5.5599e-05 deg
M 352.6075376883193 2.3935e-05 deg
tp 2459233.091707854130
(2021-Jan-18.59170785)
0.00010553 TDB
period 1587.159235015317
4.35
1.0667e-05
2.92e-08
d
yr
n .2268203416883536 1.5245e-09 deg/d
Q 2.913243859318463 1.3053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1439  
   data-arc span      21859 days (59.85 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5172  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:23:53  

Additional Information
 Earth MOID = 1.39959 au 
 Jupiter MOID = 2.28233 au 
 T_jup = 3.375 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457117.5 (2015-Apr-05.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0924086851346413 3.4225e-08  
q 2.415948590933798 9.4147e-08 au
tp 2457648.691000991921
(2016-Sep-17.19100099)
0.00010792 TDB
node 58.9666484677964 5.0111e-05 deg
peri 249.6028936375419 5.5754e-05 deg
i 4.151721602721975 4.4095e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1439  
   data-arc span      21859 days (59.85 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5172  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:23:53  

Additional Information
 Jupiter MOID = 2.28233 au 
 T_jup = 3.375 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.171360810296956E-15 -3.202092609513739E-15 -3.36194755814778E-13 4.105829997167659E-15 -4.602018143086659E-14 1.715524998676457E-16
q -3.202092609513739E-15 8.863608545901926E-15 7.793116299033858E-13 -1.247790972170098E-14 8.758094467954558E-14 -3.184082585845164E-16
tp -3.36194755814778E-13 7.793116299033858E-13 1.164698011362192E-8 -8.296457672444743E-12 2.647633945345452E-9 1.666198354907814E-12
node 4.105829997167659E-15 -1.247790972170098E-14 -8.296457672444743E-12 2.51113104515863E-9 -2.505960122237255E-9 -1.301822037847494E-11
peri -4.602018143086659E-14 8.758094467954558E-14 2.647633945345452E-9 -2.505960122237255E-9 3.108545821882019E-9 1.338904317216244E-11
i 1.715524998676457E-16 -3.184082585845164E-16 1.666198354907814E-12 -1.301822037847494E-11 1.338904317216244E-11 1.944357910840697E-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 14.44   n/a MPCxxxxx  
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 26 CATAB v2.0f-lin.ifort 2021-Apr-13 03:23:59 2021-Apr-13 03:23
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 26 CATAB v2.0f-lin.ifort 2021-Apr-13 03:23:59 2021-Apr-13 03:23
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 26 CATAB v2.0f-lin.ifort 2021-Apr-13 03:23:59 2021-Apr-13 03:23

Alternate Designations
 1999 RT122 = 1978 WE1 = 1998 HT76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-16 07:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin