+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   277826 (2006 HC10) Classification: Main-belt Asteroid          SPK-ID: 2277826 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1013006798911602 5.8676e-08   a 2.920431178594285 3.0798e-08 au q 2.624589514627341 1.6919e-07 au i 11.41000569860139 5.9094e-06 deg node 167.5022916882082 2.3114e-05 deg peri 237.4703777384037 3.8368e-05 deg M 98.45283393499575 2.7168e-05 deg tp 2458501.966195415986 (2019-Jan-18.46619542) 0.00013771 TDB period 1822.925379362293 4.99 2.8836e-05 7.895e-08 d yr n .1974847704001671 3.1239e-09 deg/d Q 3.216272842561228 3.3918e-08 au   Orbit Determination Parameters    # obs. used (total)      262      data-arc span      5987 days (16.39 yr)      first obs. used      2003-10-05      last obs. used      2020-02-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57395      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 21:15:30   Additional Information  Earth MOID = 1.65206 au   Jupiter MOID = 2.21517 au   T_jup = 3.243  [ show covariance matrix ] [ 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 16.0   n/a MPO460184   diameter diameter 4.238 km 0.433 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.039   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   277826 (2006 HC10)          Discovered 2006-Apr-19 by Spacewatch at Kitt Peak Reference: 20110517/Numbers.arc Last Updated: 2011-05-20 [ show close-approach data ] Alternate Designations  2006 HC10 = 2008 TV120  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Dec-03 21:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin