+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2018 MP8) Classification: TransNeptunian Object          SPK-ID: 3825509 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 4 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .9893017179673346 0.00012373   a 357.9575171066109 4.1364 au q 3.829530473719184 5.1632e-05 au i 68.30572410772436 0.00038807 deg node 289.7128503921194 0.00018643 deg peri 355.1933774502153 0.0040431 deg M .1215686717970696 0.0021047 deg tp 2458165.157017675287 (2018-Feb-15.65701768) 0.017727 TDB period 2473692.187234588 6772.60 42878 117.4 d yr n .0001455314456090248 2.5226e-06 deg/d Q 712.0855037395027 8.2286 au   Orbit Determination Parameters    # obs. used (total)      63      data-arc span      184 days      first obs. used      2018-06-14      last obs. used      2018-12-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      4      norm. resid. RMS      .46123      source      ORB      producer      Otto Matic      solution date      2018-Dec-24 08:54:32   Additional Information  Earth MOID = 2.81578 au   Jupiter MOID = 1.32624 au   T_jup = 0.909  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.3   n/a E2018Y42   [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2021-Jan-25 20:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin