+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08020745004157223 5.724e-08   a 5.143935041917223 1.3568e-07 au q 4.731353129025554 3.1555e-07 au i 18.04305748650106 7.094e-06 deg node 187.5299138902359 1.4745e-05 deg peri 305.2261744100826 4.8968e-05 deg M 230.2874413559989 5.1563e-05 deg tp 2460735.898689722033 (2025-Mar-01.39868972) 0.0006541 TDB period 4261.29539096479 11.67 0.0001686 4.616e-07 d yr n .08448135296213136 3.3426e-09 deg/d Q 5.556516954808891 1.4656e-07 au   Orbit Determination Parameters    # obs. used (total)      543      data-arc span      8501 days (23.27 yr)      first obs. used      1997-10-04      last obs. used      2021-01-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5827      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:25:48   Additional Information  Earth MOID = 3.77887 au   Jupiter MOID = .36668 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 12.62   n/a E2021B55   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 ] 2021-Mar-03 01:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin