+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1216989987757929 3.6076e-08   a 2.692089778806628 1.9539e-08 au q 2.364465148111316 9.799e-08 au i 8.096524596223327 4.8587e-06 deg node 161.9862898232915 3.4659e-05 deg peri 320.6434109984117 4.2672e-05 deg M 164.3549991123935 2.5029e-05 deg tp 2458463.931480961574 (2018-Dec-11.43148096) 0.00010926 TDB period 1613.365387641793 4.42 1.7565e-05 4.809e-08 d yr n .223136062517246 2.4293e-09 deg/d Q 3.01971440950194 2.1917e-08 au   Orbit Determination Parameters    # obs. used (total)      308      data-arc span      6682 days (18.29 yr)      first obs. used      2002-05-04      last obs. used      2020-08-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .61126      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 04:02:07   Additional Information  Earth MOID = 1.38587 au   Jupiter MOID = 2.04847 au   T_jup = 3.346  [ hide covariance matrix ] Orbital Elements at Epoch 2457578.5 (2016-Jul-09.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1233628423709664 3.6116e-08   q 2.357139977089344 9.8463e-08 au tp 2456852.012218714102 (2014-Jul-13.51221871) 0.00010309 TDB node 162.0625985727836 3.4698e-05 deg peri 320.1068018016364 4.2462e-05 deg i 8.094618218864248 4.8589e-06 deg   Orbit Determination Parameters    # obs. used (total)      308      data-arc span      6682 days (18.29 yr)      first obs. used      2002-05-04      last obs. used      2020-08-19      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .61126      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 04:02:07   Additional Information  Jupiter MOID = 2.04847 au   T_jup = 3.346  Orbit Covariance (6×6)   e q tp node peri i e 1.304394715363436E-15 -3.501066539409026E-15 1.89448223755889E-13 -9.230987948420785E-15 4.456020782171513E-14 -6.533043862579645E-16 q -3.501066539409026E-15 9.694927461488676E-15 -2.165604196458143E-13 2.390169751388314E-14 -2.155120956279045E-14 2.072145803447117E-15 tp 1.89448223755889E-13 -2.165604196458143E-13 1.062850975550714E-8 -5.034025162285953E-11 2.545639617572902E-9 -3.068088163755521E-12 node -9.230987948420785E-15 2.390169751388314E-14 -5.034025162285953E-11 1.203969309652927E-9 -1.203272812318801E-9 3.850183174186255E-11 peri 4.456020782171513E-14 -2.155120956279045E-14 2.545639617572902E-9 -1.203272812318801E-9 1.803058283323694E-9 -3.880672764934285E-11 i -6.533043862579645E-16 2.072145803447117E-15 -3.068088163755521E-12 3.850183174186255E-11 -3.880672764934285E-11 2.360936511081805E-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 16.49   n/a E2021B55   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-Apr-19 20:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin