+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134215 (2005 TD164) Classification: Main-belt Asteroid          SPK-ID: 2134215 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06847627295037667 3.2021e-08   a 3.053783419735868 2.3405e-08 au q 2.844671712754699 9.9462e-08 au i 2.732420172159101 3.573e-06 deg node 254.9473138146662 8.7997e-05 deg peri 11.19893936137567 9.5939e-05 deg M 60.73660985007962 3.5669e-05 deg tp 2458871.645474721286 (2020-Jan-23.14547472) 0.00019446 TDB period 1949.197187537489 5.34 2.2408e-05 6.135e-08 d yr n .1846914218334188 2.1233e-09 deg/d Q 3.262895126717036 2.5007e-08 au   Orbit Determination Parameters    # obs. used (total)      565      data-arc span      10480 days (28.69 yr)      first obs. used      1992-03-25      last obs. used      2020-12-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52092      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 09:59:30   Additional Information  Earth MOID = 1.82707 au   Jupiter MOID = 1.78862 au   T_jup = 3.231  [ 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 15.38   n/a E2021B55   diameter diameter 5.633 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.046   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   134215 (2005 TD164)          Discovered 2005-Oct-09 by Spacewatch at Kitt Peak Reference: 20060711/Numbers.arc Last Updated: 2006-07-17 [ show close-approach data ] Alternate Designations  2005 TD164 = 2004 NO26  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-10 20:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin