+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   214239 (2005 ET182) Classification: Main-belt Asteroid          SPK-ID: 2214239 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .136046120264926 6.532e-08   a 2.444080672678508 1.8316e-08 au q 2.111572979546106 1.6901e-07 au i 2.426966112467675 5.269e-06 deg node 59.88388333053214 0.00013605 deg peri 155.0569726843649 0.00013793 deg M 13.17266146022246 2.5996e-05 deg tp 2459149.432715872945 (2020-Oct-26.93271587) 0.00010046 TDB period 1395.634613495122 3.82 1.5688e-05 4.295e-08 d yr n .2579471707845102 2.8995e-09 deg/d Q 2.776588365810909 2.0807e-08 au   Orbit Determination Parameters    # obs. used (total)      292      data-arc span      6468 days (17.71 yr)      first obs. used      2002-08-13      last obs. used      2020-04-28      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .59116      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 23:45:57   Additional Information  Earth MOID = 1.10403 au   Jupiter MOID = 2.18798 au   T_jup = 3.486  [ hide covariance matrix ] Orbital Elements at Epoch 2457337.5 (2015-Nov-11.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1369177242352773 6.5175e-08   q 2.109293232691575 1.6878e-07 au tp 2457753.282997111772 (2016-Dec-30.78299711) 9.22e-05 TDB node 59.90269477377617 0.00013607 deg peri 155.0676771214556 0.00013794 deg i 2.427253009126126 5.2682e-06 deg   Orbit Determination Parameters    # obs. used (total)      292      data-arc span      6468 days (17.71 yr)      first obs. used      2002-08-13      last obs. used      2020-04-28      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .59116      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 23:45:57   Additional Information  Jupiter MOID = 2.18798 au   T_jup = 3.486  Orbit Covariance (6×6)   e q tp node peri i e 4.247770012495005E-15 -1.096694536552991E-14 -2.068405556459283E-12 2.306533863159624E-14 -3.085490379514689E-13 -6.508395886536428E-16 q -1.096694536552991E-14 2.848641422099597E-14 5.695293271204748E-12 -6.020640348821107E-14 8.701762049867843E-13 2.064463045118237E-15 tp -2.068405556459283E-12 5.695293271204748E-12 8.500821584383671E-9 -7.026570687838531E-11 2.098657345235708E-9 3.938877238611247E-12 node 2.306533863159624E-14 -6.020640348821107E-14 -7.026570687838531E-11 1.85160148805514E-8 -1.85155465203323E-8 2.672497050871755E-11 peri -3.085490379514689E-13 8.701762049867843E-13 2.098657345235708E-9 -1.85155465203323E-8 1.902822385094364E-8 -2.574723367954508E-11 i -6.508395886536428E-16 2.064463045118237E-15 3.938877238611247E-12 2.672497050871755E-11 -2.574723367954508E-11 2.775381952411007E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.93   n/a E2021B55   214239 (2005 ET182)          Discovered 2005-Mar-09 by LINEAR at Socorro Reference: 20090509/Numbers.arc Last Updated: 2009-05-11 [ show close-approach data ] Alternate Designations  2005 ET182 = 2002 PY80  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 01:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin