+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14267 Zook (2000 AJ153) Classification: Main-belt Asteroid          SPK-ID: 2014267 [ 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 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2450710954132281 3.2258e-08   a 2.338993358852062 5.5129e-09 au q 1.765773694233921 7.5183e-08 au i 3.722556501702144 3.3395e-06 deg node 1.68407172877458 5.1876e-05 deg peri 11.58727172055114 5.2318e-05 deg M 35.09163225662062 6.5097e-06 deg tp 2459073.137088424321 (2020-Aug-11.63708842) 2.36e-05 TDB period 1306.597761880795 3.58 4.6194e-06 1.265e-08 d yr n .2755247333975181 9.741e-10 deg/d Q 2.912213023470202 6.864e-09 au   Orbit Determination Parameters    # obs. used (total)      1913      data-arc span      15854 days (43.41 yr)      first obs. used      1977-10-10      last obs. used      2021-03-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48623      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:23:17   Additional Information  Earth MOID = .764985 au   Jupiter MOID = 2.55581 au   T_jup = 3.522  [ 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 14.56   n/a E2021B10   14267 Zook           Discovered 2000 Jan. 6 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station. Herbert A. ("Herb") Zook (1932-2001) was a planetary scientist who advanced the understanding of the interplanetary dust complex by his studies at the NASA Johnson Space Center of meteoroid orbital evolution, collisions, resonant orbit interactions, radiation pressure and electromagnetic effects. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030318/MPCPages.arc Last Updated: 2003-10-02 [ show close-approach data ] Alternate Designations  2000 AJ153 = 1977 TZ3 = 1991 NL8 = 1997 EJ51  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-16 18:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin