+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   277743 (2006 DJ105) Classification: Main-belt Asteroid          SPK-ID: 2277743 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1223281962229382 3.6157e-08   a 2.689907468815286 2.0312e-08 au q 2.360855940148503 9.8647e-08 au i 8.093516970835553 4.9585e-06 deg node 162.0356507676418 3.617e-05 deg peri 320.2784575519794 4.4749e-05 deg M 120.0458504552253 2.687e-05 deg tp 2458463.160100229169 (2018-Dec-10.66010023) 0.00011773 TDB period 1611.404002586906 4.41 1.8252e-05 4.997e-08 d yr n .2234076615312271 2.5305e-09 deg/d Q 3.01895899748207 2.2796e-08 au   Orbit Determination Parameters    # obs. used (total)      304      data-arc span      6682 days (18.29 yr)      first obs. used      2002-05-04      last obs. used      2020-08-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61451      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 21:16:05   Additional Information  Earth MOID = 1.38248 au   Jupiter MOID = 2.05124 au   T_jup = 3.347  [ hide covariance matrix ] Orbital Elements at Epoch 2457547.5 (2016-Jun-08.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1233860683060925 3.6155e-08   q 2.357026527869047 9.891e-08 au tp 2456852.021386351128 (2014-Jul-13.52138635) 0.00011073 TDB node 162.0627990224678 3.6171e-05 deg peri 320.1034040506662 4.4616e-05 deg i 8.094600359473741 4.9597e-06 deg   Orbit Determination Parameters    # obs. used (total)      304      data-arc span      6682 days (18.29 yr)      first obs. used      2002-05-04      last obs. used      2020-08-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61451      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 21:16:05   Additional Information  Jupiter MOID = 2.05124 au   T_jup = 3.347  Orbit Covariance (6×6)   e q tp node peri i e 1.307208048231955E-15 -3.516712361975006E-15 1.225864071212891E-13 -6.361820656297833E-15 2.6600820248363E-14 -3.971789239020276E-16 q -3.516712361975006E-15 9.78319124286836E-15 1.633284136460595E-13 1.585092544787343E-14 7.231972638952545E-14 1.420925615103807E-15 tp 1.225864071212891E-13 1.633284136460595E-13 1.226173305913173E-8 -5.386370657457106E-11 2.918538789075793E-9 -2.826343979996157E-12 node -6.361820656297833E-15 1.585092544787343E-14 -5.386370657457106E-11 1.308376040743906E-9 -1.307450710191756E-9 4.866088858295054E-11 peri 2.6600820248363E-14 7.231972638952545E-14 2.918538789075793E-9 -1.307450710191756E-9 1.990558392052545E-9 -4.881142337021606E-11 i -3.971789239020276E-16 1.420925615103807E-15 -2.826343979996157E-12 4.866088858295054E-11 -4.881142337021606E-11 2.45985040497601E-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 16.3   n/a MPO423066   diameter diameter 2.850 km 0.512 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.072   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   277743 (2006 DJ105)          Discovered 2006-Feb-25 by Mt. Lemmon Survey at Mount Lemmon Reference: 20110517/Numbers.arc Last Updated: 2011-05-20 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-19 16:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin