+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2017 SG14) Classification: Apollo [NEO, PHA]          SPK-ID: 3781871 [ 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 43 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2332082727792651 3.6942e-08   a 1.276911992756111 1.4042e-08 au q .9791255524343292 4.3673e-08 au i 47.57162533037809 2.539e-05 deg node 177.2070828441304 4.144e-06 deg peri 315.2743193747773 1.2543e-05 deg M 322.7095101052309 9.5816e-06 deg tp 2459255.092811870591 (2021-Feb-09.59281187) 1.3557e-05 TDB period 527.0355076823424 1.44 8.6936e-06 2.38e-08 d yr n .6830659315216027 1.1267e-08 deg/d Q 1.574698433077894 1.7317e-08 au   Orbit Determination Parameters    # obs. used (total)      231      data-arc span      1288 days (3.53 yr)      first obs. used      2017-09-24      last obs. used      2021-04-04      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .44476      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 19:37:12   Additional Information  Earth MOID = .0393897 au   Jupiter MOID = 3.49901 au   T_jup = 4.725  [ 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 20.3   n/a E2018E06   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 21:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin