+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2017 MM8) Classification: Aten [NEO]          SPK-ID: 3776269 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2457931.5 (2017-Jun-27.0) TDB Reference: JPL 2 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6666697278738449 0.0010792   a .8869198073816106 0.00073179 au q .2956372207485893 0.00071324 au i 23.27857160991798 0.10031 deg node 98.66028925511569 0.019103 deg peri 336.3522963932629 0.018906 deg M 266.5282679033442 0.2125 deg tp 2458010.714146579325 (2017-Sep-14.21414658) 0.082071 TDB period 305.0878819605961 0.84 0.37759 0.001034 d yr n 1.17998787000821 0.0014604 deg/d Q 1.478202394014632 0.0012197 au   Orbit Determination Parameters    # obs. used (total)      15      data-arc span      8 days      first obs. used      2017-06-24      last obs. used      2017-07-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      8      norm. resid. RMS      .47913      source      ORB      producer      Otto Matic      solution date      2017-Jul-03 06:20:17   Additional Information  Earth MOID = .101672 au   Jupiter MOID = 3.82479 au   T_jup = 6.432  [ 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 MPO412152   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-13 21:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin