+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   20874 MacGregor (2000 VL49) Classification: Main-belt Asteroid          SPK-ID: 2020874 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09464317634096911 3.0598e-08   a 2.947421346764768 1.4483e-08 au q 2.668468028491774 8.7467e-08 au i 1.970737957742922 3.2343e-06 deg node 7.508318381016304 0.00010255 deg peri 326.7892329744624 0.0001046 deg M 71.10785659749553 1.9572e-05 deg tp 2458835.429407321368 (2019-Dec-17.92940732) 0.00010084 TDB period 1848.254463754099 5.06 1.3623e-05 3.73e-08 d yr n .1947783744391899 1.4357e-09 deg/d Q 3.226374665037763 1.5854e-08 au   Orbit Determination Parameters    # obs. used (total)      1465      data-arc span      10547 days (28.88 yr)      first obs. used      1992-03-02      last obs. used      2021-01-16      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52148      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:33:53   Additional Information  Earth MOID = 1.65678 au   Jupiter MOID = 2.09239 au   T_jup = 3.263  [ 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 14.40   n/a E2021B10   20874 MacGregor           Discovered 2000 Nov. 2 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Meredith MacGregor (b. 1989) was awarded second place in the 2004 Intel International Science and Engineering Fair for her physics project. She attends the Fairview High School, Boulder, Colorado, 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: 20041226/MPCPages.arc Last Updated: 2004-12-25 [ show close-approach data ] Alternate Designations  2000 VL49 = 1994 PX26 = 1999 RD54  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 11:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin