+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2020 RB1) Classification: Amor [NEO]          SPK-ID: 54053757 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459099.5 (2020-Sep-07.0) TDB Reference: JPL 2 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3789431132456392 0.0016867   a 1.64851068614499 0.0046125 au q 1.023818914518503 8.4433e-05 au i 10.67471724838877 0.034033 deg node 166.8456780305623 0.0019854 deg peri 198.6371012580919 0.011157 deg M 350.798070400819 0.046814 deg tp 2459119.261162182114 (2020-Sep-26.76116218) 0.017779 TDB period 773.1007185921299 2.12 3.2447 0.008884 d yr n .4656573087340871 0.0019543 deg/d Q 2.273202457771478 0.0063603 au   Orbit Determination Parameters    # obs. used (total)      20      data-arc span      3 days      first obs. used      2020-09-06      last obs. used      2020-09-09      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      8      norm. resid. RMS      .70917      source      ORB      producer      Otto Matic      solution date      2020-Sep-09 06:30:41   Additional Information  Earth MOID = .0296715 au   Jupiter MOID = 3.18877 au   T_jup = 4.180  [ 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 26.731   .25013 2 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-24 10:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin