+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2019 HM3) Classification: Amor [NEO]          SPK-ID: 3841620 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3575312636514704 0.00043391   a 1.58557833645789 0.0010883 au q 1.018684510205704 1.1346e-05 au i 2.879666392924926 0.0027417 deg node 28.71213696027845 0.0015235 deg peri 196.8555563855014 0.0049606 deg M 355.6306683296153 0.0035568 deg tp 2457880.095051670899 (2017-May-06.59505167) 0.74882 TDB period 729.2559514527089 2.00 0.75084 0.002056 d yr n .4936538389338677 0.00050827 deg/d Q 2.152472162710076 0.0014775 au   Orbit Determination Parameters    # obs. used (total)      21      data-arc span      2 days      first obs. used      2019-04-26      last obs. used      2019-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .23697      source      ORB      producer      Otto Matic      solution date      2019-Apr-29 10:12:07   Additional Information  Earth MOID = .0160567 au   Jupiter MOID = 2.83421 au   T_jup = 4.311  [ 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 27.0   .2177 MPO467579 autocmod 2.6q [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-16 07:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin