+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   20067 (1993 TN24) Classification: Outer Main-belt Asteroid          SPK-ID: 2020067 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1130658052864483 3.3679e-08   a 3.22032396256687 1.6767e-08 au q 2.856215440456001 1.0783e-07 au i 1.794419543230448 3.3949e-06 deg node 121.6552074409434 0.00011755 deg peri 94.89508185974286 0.00011863 deg M 53.44585120485605 1.4697e-05 deg tp 2458887.128663508443 (2020-Feb-07.62866351) 8.6611e-05 TDB period 2110.803338215154 5.78 1.6485e-05 4.513e-08 d yr n .1705511799618469 1.332e-09 deg/d Q 3.584432484677739 1.8663e-08 au   Orbit Determination Parameters    # obs. used (total)      1615      data-arc span      21726 days (59.48 yr)      first obs. used      1961-02-15      last obs. used      2020-08-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47996      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:12:30   Additional Information  Earth MOID = 1.8488 au   Jupiter MOID = 1.38269 au   T_jup = 3.178  [ 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 13.65   n/a E2021B10   diameter diameter 10.986 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.064   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   20067 (1993 TN24)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla Reference: 20010109/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1993 TN24 = 1961 CS = 1992 OO4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 15:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin