+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19476 Denduluri (1998 HQ94) Classification: Main-belt Asteroid          SPK-ID: 2019476 [ 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 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02957785388086252 4.0514e-08   a 2.744827407884094 1.1748e-08 au q 2.663641303885512 1.1356e-07 au i 1.963044376722284 3.1747e-06 deg node 240.138142431602 0.00013041 deg peri 264.5701832212948 0.00014428 deg M 62.12339674172274 6.044e-05 deg tp 2458913.868654520198 (2020-Mar-05.36865452) 0.00027917 TDB period 1661.005189425308 4.55 1.0664e-05 2.92e-08 d yr n .2167362283344561 1.3915e-09 deg/d Q 2.826013511882676 1.2096e-08 au   Orbit Determination Parameters    # obs. used (total)      1657      data-arc span      8986 days (24.60 yr)      first obs. used      1995-10-18      last obs. used      2020-05-25      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52339      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:54:34   Additional Information  Earth MOID = 1.67585 au   Jupiter MOID = 2.15771 au   T_jup = 3.347  [ 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 14.47   n/a E2021B10   diameter diameter 4.205 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.120   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   19476 Denduluri           Discovered 1998 Apr. 21 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Aditya Krishna Denduluri (b. 1987) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his microbiology project. He attends the Saint Pius X High School, Albuquerque, New Mexico, U.S.A. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20040830/MPCPages.arc Last Updated: 2004-09-06 [ show close-approach data ] Alternate Designations  1998 HQ94 = 1999 NK64 = 1999 OB4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 16:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin