+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15874 (1996 TL66) Classification: TransNeptunian Object          SPK-ID: 2015874 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5790383236289163 1.6991e-05   a 83.05883899206916 0.0036667 au q 34.96458809953737 0.00013379 au i 23.98301143642251 1.8682e-05 deg node 217.7625323771105 3.1832e-05 deg peri 184.1824882140583 0.00038365 deg M 9.371016365031979 0.00069456 deg tp 2452003.335871878686 (2001-Apr-03.83587188) 0.064508 TDB period 276488.588344796 756.98 18.309 0.05013 d yr n .001302042887755862 8.6221e-08 deg/d Q 131.1530898846009 0.0057899 au   Orbit Determination Parameters    # obs. used (total)      482      data-arc span      8835 days (24.19 yr)      first obs. used      1996-10-09      last obs. used      2020-12-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      1      norm. resid. RMS      .49929      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:26:17   Additional Information  Earth MOID = 33.9727 au   Jupiter MOID = 29.9813 au   T_jup = 6.015  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 5.46   n/a E2021B10   rotation period rot_per 12. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong. Published Reference List: [Thirouin, A.; Ortiz, J.L.; Duffard, R.; Santos-Sanz, P.; et al. (2010) Astron. Astrophys. 522, A93.] 15874 (1996 TL66)          Discovered 1996-Oct-09 by Trujillo, C., Jewitt, D. C., Luu, J. X., Chen, J. at Mauna Kea Reference: 20000726/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2021-Apr-12 14:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin