+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120351 Beckymasterson (2005 JA168) Classification: Main-belt Asteroid          SPK-ID: 2120351 [ 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 .3121489401894257 3.1196e-08   a 2.445327827970566 8.0883e-09 au q 1.682021338053843 7.9451e-08 au i 4.339784663648597 3.2879e-06 deg node 117.8424884122346 5.4384e-05 deg peri 199.1207482088764 5.4876e-05 deg M 6.165455056505666 9.7455e-06 deg tp 2459176.579695839500 (2020-Nov-23.07969584) 3.7727e-05 TDB period 1396.702987672174 3.82 6.9298e-06 1.897e-08 d yr n .2577498603335824 1.2788e-09 deg/d Q 3.208634317887288 1.0613e-08 au   Orbit Determination Parameters    # obs. used (total)      897      data-arc span      10897 days (29.83 yr)      first obs. used      1990-10-16      last obs. used      2020-08-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51021      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:57:48   Additional Information  Earth MOID = .667279 au   Jupiter MOID = 2.11198 au   T_jup = 3.427  [ 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 15.79   n/a E2021B55   120351 Beckymasterson           Discovered 2005 May 14 by the Catalina Sky Survey. Rebecca A. Masterson (b. 1975) is a research engineer at the Massachusetts Institute of Technology serving tirelessly in the central role of Instrument Manager for the student-built Regolith X-ray Imaging Spectrometer aboard the OSIRIS-REx Asteroid Sample Return Mission. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2016-08-18 Last Updated: 2016-08-22 [ show close-approach data ] Alternate Designations  2005 JA168 = 1990 UD5 = 1990 UF9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-02 21:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin