+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2019 LB1) Classification: Aten [NEO]          SPK-ID: 3842752 [ 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 2 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .118038318990036 8.9881e-05   a .9900979687702184 3.1578e-06 au q .8732284689011326 8.6387e-05 au i 5.423753142640294 0.0046182 deg node 74.73466576664543 0.00024921 deg peri 64.21208829560544 0.0066523 deg M 302.7586111466699 0.020517 deg tp 2459257.716770734728 (2021-Feb-12.21677073) 0.020771 TDB period 359.8451728220739 0.99 0.0017215 4.713e-06 d yr n 1.000430260538753 4.7861e-06 deg/d Q 1.106967468639304 3.5305e-06 au   Orbit Determination Parameters    # obs. used (total)      61      data-arc span      5 days      first obs. used      2019-05-31      last obs. used      2019-06-05      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      5      norm. resid. RMS      .41309      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 21:23:05   Additional Information  Earth MOID = .0085842 au   Jupiter MOID = 3.88674 au   T_jup = 6.118  [ 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   .40717 MPO473673 autocmod 2.6q [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 21:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin