+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (A/2019 G4) Classification: Hyperbolic Asteroid          SPK-ID: 3841499 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2458826.5 (2019-Dec-09.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 1.00043467996569 1.6641e-05   a -13477.90537611176 515.93 au q 5.858575446461613 5.2215e-05 au i 138.3812127888091 0.00010357 deg node 130.4673092721651 9.728e-05 deg peri 287.8708739851376 0.0011474 deg M .0002830465611895868 1.625e-05 deg tp 2458377.147240039324 (2018-Sep-15.64724004) 0.009369 TDB period n/a n/a n/a n/a d yr n 6.29898348046993E-7 3.6168e-08 deg/d Q n/a n/a au   Orbit Determination Parameters    # obs. used (total)      27      data-arc span      408 days (1.12 yr)      first obs. used      2019-04-09      last obs. used      2020-05-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      norm. resid. RMS      .41497      source      ORB      producer      Otto Matic      solution date      2020-Jun-02 09:54:27   Additional Information  Earth MOID = 5.11665 au   Jupiter MOID = 2.4174 au  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.666   .69176 19 autocmod 2.8 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2020-Sep-26 12:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin