+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2019 XT2) Classification: Aten [NEO]          SPK-ID: 3909763 [ 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 3 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1599979726228321 6.9201e-05   a .9251718113279683 1.5653e-06 au q .7771461971877002 6.4912e-05 au i 13.4718649658031 0.0069421 deg node 255.5818356179232 3.9433e-05 deg peri 56.15000516139699 0.0065 deg M 162.6452373483895 0.014444 deg tp 2459053.651043552305 (2020-Jul-23.15104355) 0.013268 TDB period 325.0364116591432 0.89 0.0008249 2.258e-06 d yr n 1.107568220318412 2.8109e-06 deg/d Q 1.073197425468237 1.8158e-06 au   Orbit Determination Parameters    # obs. used (total)      42      data-arc span      6 days      first obs. used      2019-12-08      last obs. used      2019-12-14      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      4      norm. resid. RMS      .21351      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 22:10:21   Additional Information  Earth MOID = .0037986 au   Jupiter MOID = 4.07184 au   T_jup = 6.434  [ 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 26.4   .36508 E2019-XC4 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 22:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin