+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   266851 (2009 UK79) Classification: Jupiter Trojan          SPK-ID: 2266851 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04599011431312619 9.6972e-08   a 5.167202360745149 1.6949e-07 au q 4.929562133495424 5.9217e-07 au i 3.634373780871686 9.2095e-06 deg node 324.9822448351509 0.00012189 deg peri 57.45176346877101 0.00015113 deg M 341.6835616335862 8.4399e-05 deg tp 2459218.783123656115 (2021-Jan-04.28312366) 0.0010018 TDB period 4290.240435623892 11.75 0.00021109 5.779e-07 d yr n .08391138105238811 4.1286e-09 deg/d Q 5.404842587994874 1.7729e-07 au   Orbit Determination Parameters    # obs. used (total)      206      data-arc span      8385 days (22.96 yr)      first obs. used      1997-11-21      last obs. used      2020-11-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55033      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 05:54:25   Additional Information  Earth MOID = 3.93407 au   Jupiter MOID = .00233382 au   T_jup = 2.994  [ hide covariance matrix ] Orbital Elements at Epoch 2457799.5 (2017-Feb-15.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04484680577360062 9.703e-08   q 4.932610767479467 5.8994e-07 au tp 2459220.097123824960 (2021-Jan-05.59712382) 0.0010313 TDB node 324.9959658176807 0.00012191 deg peri 57.47261836934456 0.00015264 deg i 3.634376270724981 9.2103e-06 deg   Orbit Determination Parameters    # obs. used (total)      206      data-arc span      8385 days (22.96 yr)      first obs. used      1997-11-21      last obs. used      2020-11-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55033      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 05:54:25   Additional Information  Jupiter MOID = .00233382 au   T_jup = 2.994  Orbit Covariance (6×6)   e q tp node peri i e 9.414762157733721E-15 -5.548254249173432E-14 -1.583031788909544E-11 1.330000248319496E-14 -1.069215458687957E-12 -5.031181951047482E-15 q -5.548254249173432E-14 3.48023867440477E-13 1.95526478518349E-11 -5.653493875770634E-14 -8.654549497327406E-13 3.436065164313545E-14 tp -1.583031788909544E-11 1.95526478518349E-11 1.063562943747296E-6 -1.522808977847396E-10 9.475164623295571E-8 -7.298351768880684E-12 node 1.330000248319496E-14 -5.653493875770634E-14 -1.522808977847396E-10 1.486090257457703E-8 -1.48443811306687E-8 5.867105053208546E-10 peri -1.069215458687957E-12 -8.654549497327406E-13 9.475164623295571E-8 -1.48443811306687E-8 2.330012161091461E-8 -5.8648703638565E-10 i -5.031181951047482E-15 3.436065164313545E-14 -7.298351768880684E-12 5.867105053208546E-10 -5.8648703638565E-10 8.482948891893152E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.6   n/a MPO494442   266851 (2009 UK79)          Discovered 2001-Feb-27 by Spacewatch at Kitt Peak Reference: 20110218/Numbers.arc Last Updated: 2011-02-22 Alternate Designations  2009 UK79 = 2010 VX106  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-20 21:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin