+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1332383824976525 4.9191e-08   a 3.080770648243682 2.3926e-08 au q 2.670293750225449 1.4847e-07 au i 2.382079308866178 4.9498e-06 deg node 118.1478086558597 0.00014063 deg peri 316.0509913965611 0.00014216 deg M 197.3687588214421 2.2535e-05 deg tp 2460092.754926378343 (2023-May-28.25492638) 0.00012952 TDB period 1975.092676957038 5.41 2.3009e-05 6.3e-08 d yr n .1822699279887162 2.1234e-09 deg/d Q 3.491247546261914 2.7114e-08 au   Orbit Determination Parameters    # obs. used (total)      500      data-arc span      9040 days (24.75 yr)      first obs. used      1995-10-14      last obs. used      2020-07-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50461      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:06:40   Additional Information  Earth MOID = 1.68548 au   Jupiter MOID = 1.7672 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 15.32   n/a E2021B55   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 ] 2021-Mar-03 03:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin