+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2019 DS1) Classification: Apollo [NEO]          SPK-ID: 3838868 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2376021752313241 2.789e-07   a 1.020943897731401 2.8453e-08 au q .7783654068412735 2.728e-07 au i 15.38559604758484 1.9695e-05 deg node 157.880877648392 1.1251e-05 deg peri 263.201113665014 2.2002e-05 deg M 339.3461179642953 3.1802e-05 deg tp 2459222.117249487053 (2021-Jan-07.61724949) 3.4133e-05 TDB period 376.791626963203 1.03 1.5752e-05 4.313e-08 d yr n .9554352438812477 3.9941e-08 deg/d Q 1.263522388621528 3.5214e-08 au   Orbit Determination Parameters    # obs. used (total)      106      data-arc span      390 days (1.07 yr)      first obs. used      2019-02-28      last obs. used      2020-03-24      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      1      norm. resid. RMS      .43056      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 21:05:45   Additional Information  Earth MOID = .000470915 au   Jupiter MOID = 4.02227 au   T_jup = 5.926  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 25.6   .40689 MPO467494 autocmod 2.6q [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-18 07:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin