+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2018 MN8) Classification: Aten [NEO]          SPK-ID: 3825507 [ 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 3 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6876360215744057 0.00059218   a .847531320447637 0.00018119 au q .2647382550953211 0.0004453 au i 12.37605502217624 0.026877 deg node 105.0062978238308 0.005458 deg peri 21.80258937512134 0.0028817 deg M 143.9947705342116 0.44801 deg tp 2459086.507499336472 (2020-Aug-25.00749934) 0.31811 TDB period 284.9916013381904 0.78 0.091391 0.0002502 d yr n 1.263195119819687 0.00040508 deg/d Q 1.430324385799953 0.00030578 au   Orbit Determination Parameters    # obs. used (total)      16      data-arc span      24 days      first obs. used      2018-06-25      last obs. used      2018-07-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .25475      source      ORB      producer      Otto Matic      solution date      2018-Jul-26 08:00:05   Additional Information  Earth MOID = .0498813 au   Jupiter MOID = 3.65396 au   T_jup = 6.712  [ 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 22.8   n/a E2018-MA5   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-04 20:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin