+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100352 (1995 TD1) Classification: Main-belt Asteroid          SPK-ID: 2100352 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1338573033036704 4.9166e-08   a 3.079095032093392 2.4395e-08 au q 2.666935674481642 1.4831e-07 au i 2.381896823118844 5.7181e-06 deg node 118.1515239559642 0.0001507 deg peri 316.1041846299631 0.00015287 deg M 160.825807469983 2.5298e-05 deg tp 2458118.870108960417 (2017-Dec-31.37010896) 0.00013525 TDB period 1973.481531149707 5.40 2.3453e-05 6.421e-08 d yr n .1824187327409504 2.1679e-09 deg/d Q 3.491254389705142 2.766e-08 au   Orbit Determination Parameters    # obs. used (total)      466      data-arc span      8870 days (24.28 yr)      first obs. used      1995-10-14      last obs. used      2020-01-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50385      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 01:04:52   Additional Information  Earth MOID = 1.68261 au   Jupiter MOID = 1.76709 au   T_jup = 3.213  [ 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 15.3   n/a MPO432532   diameter diameter 4.986 km 0.644 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.065   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100352 (1995 TD1)          Discovered 1995-Oct-14 by Vagnozzi, A. at Stroncone Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1995 TD1 = 2000 RB81  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-24 03:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin