+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (A/2019 G2) Classification: TransNeptunian Object          SPK-ID: 3841497 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2458767.5 (2019-Oct-11.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .996720616983225 4.0974e-06   a 698.7119856739691 0.8732 au q 2.291344219436348 8.9693e-07 au i 159.2114352366943 1.551e-05 deg node 208.1426570508383 4.4932e-05 deg peri 82.65345160550403 5.281e-05 deg M 359.9967944766894 6.0097e-06 deg tp 2458827.567859367000 (2019-Dec-10.06785937) 0.00010784 TDB period 6745990.366231258 18469.52 12646 34.62 d yr n 5.336503322063281E-5 1.0004e-07 deg/d Q 1395.132627128502 1.7435 au   Orbit Determination Parameters    # obs. used (total)      90      data-arc span      564 days (1.54 yr)      first obs. used      2019-02-27      last obs. used      2020-09-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      norm. resid. RMS      .44911      source      ORB      producer      Otto Matic      solution date      2020-Sep-28 08:45:55   Additional Information  Earth MOID = 1.41332 au   Jupiter MOID = .184493 au   T_jup = -1.746  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.355   .60567 13 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] 2020-Oct-27 11:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin