+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   277214 (2005 QC135) Classification: Main-belt Asteroid          SPK-ID: 2277214 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09027627302676432 7.1777e-08   a 2.337443295941266 1.4065e-08 au q 2.126427626772292 1.7178e-07 au i 3.034341227829108 7.3453e-06 deg node 141.9434730921597 9.8224e-05 deg peri 329.2869369567305 0.00010559 deg M 351.4830274805885 3.5092e-05 deg tp 2459231.381102597148 (2021-Jan-16.88110260) 0.00012723 TDB period 1305.299143520254 3.57 1.1781e-05 3.225e-08 d yr n .2757988479400346 2.4893e-09 deg/d Q 2.548458965110239 1.5334e-08 au   Orbit Determination Parameters    # obs. used (total)      220      data-arc span      7646 days (20.93 yr)      first obs. used      2000-02-12      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59362      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 14:33:47   Additional Information  Earth MOID = 1.14355 au   Jupiter MOID = 2.52001 au   T_jup = 3.559  [ hide covariance matrix ] Orbital Elements at Epoch 2457648.5 (2016-Sep-17.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0891385297616821 7.1433e-08   q 2.129256123758716 1.7075e-07 au tp 2457924.782158106682 (2017-Jun-20.28215811) 0.0001308 TDB node 142.0061372397332 9.8263e-05 deg peri 328.8891166394724 0.00010592 deg i 3.033420187741235 7.3422e-06 deg   Orbit Determination Parameters    # obs. used (total)      220      data-arc span      7646 days (20.93 yr)      first obs. used      2000-02-12      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59362      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 14:33:47   Additional Information  Jupiter MOID = 2.52001 au   T_jup = 3.559  Orbit Covariance (6×6)   e q tp node peri i e 5.102603167014911E-15 -1.216553297667813E-14 3.77764931983735E-12 -2.054846190017843E-14 1.217630152199455E-12 -6.186244974241421E-15 q -1.216553297667813E-14 2.915700050162953E-14 -8.986876692035593E-12 4.827011262066813E-14 -2.90758605229266E-12 1.466774665251859E-14 tp 3.77764931983735E-12 -8.986876692035593E-12 1.710872519095355E-8 -1.479951329321977E-11 5.18860264678413E-9 -1.309344887688694E-12 node -2.054846190017843E-14 4.827011262066813E-14 -1.479951329321977E-11 9.655603846862336E-9 -9.645493269862399E-9 -1.179427063050595E-10 peri 1.217630152199455E-12 -2.90758605229266E-12 5.18860264678413E-9 -9.645493269862399E-9 1.121988673012341E-8 1.173813075911732E-10 i -6.186244974241421E-15 1.466774665251859E-14 -1.309344887688694E-12 -1.179427063050595E-10 1.173813075911732E-10 5.39071747456784E-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 17.5   n/a MPO450166   277214 (2005 QC135)          Discovered 2005-Aug-28 by Spacewatch at Kitt Peak Reference: 20110517/Numbers.arc Last Updated: 2011-05-20 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-14 06:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin