+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   16898 (1998 DJ10) Classification: Main-belt Asteroid          SPK-ID: 2016898 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1926844767322211 3.1467e-08   a 2.896780881036972 1.2333e-08 au q 2.33861617276646 9.3655e-08 au i 2.01600230641843 4.4436e-06 deg node 347.768160366533 8.762e-05 deg peri 108.1478867197676 8.8344e-05 deg M 315.1330336271861 1.3029e-05 deg tp 2459620.937850387978 (2022-Feb-10.43785039) 6.6014e-05 TDB period 1800.826591847084 4.93 1.15e-05 3.149e-08 d yr n .1999081986182538 1.2767e-09 deg/d Q 3.454945589307483 1.4709e-08 au   Orbit Determination Parameters    # obs. used (total)      1974      data-arc span      12690 days (34.74 yr)      first obs. used      1986-10-09      last obs. used      2021-07-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .4985      source      ORB      producer      Otto Matic      solution date      2021-Jul-09 10:05:31   Additional Information  Earth MOID = 1.35652 au   Jupiter MOID = 1.73292 au   T_jup = 3.260  [ 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 13.51   n/a E2021B10   diameter diameter 5.738 km 0.461 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.162   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   16898 (1998 DJ10)          Discovered 1998-Feb-22 by JPL/GEODSS NEAT at Haleakala Reference: 20000913/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 DJ10 = 1986 TY5 = 1993 EX  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Aug-02 01:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin