+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2018 MD7) Classification: Aten [NEO]          SPK-ID: 3825486 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1100129014879849 4.4504e-07   a .9471324893779172 2.7159e-07 au q .8429356961279144 5.8993e-07 au i 8.227184523548853 5.2137e-05 deg node 134.3472746887269 2.7511e-05 deg peri 313.3112490320857 0.00016505 deg M 82.81435527402829 0.00037055 deg tp 2459123.050672181545 (2020-Sep-30.55067218) 0.00031845 TDB period 336.6778371018491 0.92 0.00014481 3.965e-07 d yr n 1.069271452789735 4.5991e-07 deg/d Q 1.05132928262792 3.0146e-07 au   Orbit Determination Parameters    # obs. used (total)      64      # delay obs. used      0      # Doppler obs. used      1      data-arc span      43 days      first obs. used      2018-06-21      last obs. used      2018-08-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .43036      source      ORB      producer      Otto Matic      solution date      2019-Aug-05 05:59:04   Additional Information  Earth MOID = .00321714 au   Jupiter MOID = 4.01867 au   T_jup = 6.333  [ 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 22.7   n/a MPO477907   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-08 15:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin