+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2017 BU93) Classification: Aten [NEO]          SPK-ID: 3767933 [ 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 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4028804365068215 0.00025672   a .9812422056780485 0.00013068 au q .58591891753556 0.00017388 au i 22.40197335510659 0.026032 deg node 141.8159624576068 0.0013086 deg peri 213.4875019055368 0.0058149 deg M 96.06844278497431 0.32402 deg tp 2459105.758336213445 (2020-Sep-13.25833621) 0.30062 TDB period 355.0281234338294 0.97 0.070922 0.0001942 d yr n 1.014004176677844 0.00020256 deg/d Q 1.376565493820537 0.00018333 au   Orbit Determination Parameters    # obs. used (total)      23      data-arc span      20 days      first obs. used      2017-01-29      last obs. used      2017-02-18      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      7      norm. resid. RMS      .73165      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 18:29:10   Additional Information  Earth MOID = .165847 au   Jupiter MOID = 4.07298 au   T_jup = 6.038  [ 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 23.1   n/a MPO399783   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-18 07:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin