+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100619 (1997 TK14) Classification: Jupiter Trojan          SPK-ID: 2100619 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07987654078464924 6.7623e-08   a 5.144504863349073 1.4431e-07 au q 4.733579610814944 3.4526e-07 au i 18.04139559629906 7.1908e-06 deg node 187.531466564768 1.7469e-05 deg peri 305.3642742974585 5.0076e-05 deg M 213.209605702985 5.1334e-05 deg tp 2460738.336587252332 (2025-Mar-03.83658725) 0.00065803 TDB period 4262.003480588523 11.67 0.00017933 4.91e-07 d yr n .08446731722290596 3.5541e-09 deg/d Q 5.555430115883202 1.5584e-07 au   Orbit Determination Parameters    # obs. used (total)      454      data-arc span      8025 days (21.97 yr)      first obs. used      1997-10-04      last obs. used      2019-09-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61613      source      ORB      producer      Otto Matic      solution date      2019-Nov-07 11:54:54   Additional Information  Earth MOID = 3.78101 au   Jupiter MOID = .366547 au   T_jup = 2.896  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.5   n/a MPO432534   100619 (1997 TK14)          Discovered 1997-Oct-04 by Spacewatch at Kitt Peak Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-24 02:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin