+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   277631 (2006 BU63) Classification: Main-belt Asteroid          SPK-ID: 2277631 [ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1445183337980742 5.267e-08   a 2.660653477751894 1.9201e-08 au q 2.276140270333139 1.3801e-07 au i 2.48517241088618 6.1872e-06 deg node 287.932024748894 0.00015899 deg peri 174.2981192760529 0.00016131 deg M 129.8522857827222 2.7478e-05 deg tp 2458428.721265797820 (2018-Nov-06.22126580) 0.00011844 TDB period 1585.188455266863 4.34 1.7159e-05 4.698e-08 d yr n .2271023352484577 2.4584e-09 deg/d Q 3.045166685170649 2.1976e-08 au   Orbit Determination Parameters    # obs. used (total)      148      data-arc span      7146 days (19.56 yr)      first obs. used      2000-11-30      last obs. used      2020-06-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5662      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 21:16:57   Additional Information  Earth MOID = 1.29304 au   Jupiter MOID = 2.09498 au   T_jup = 3.369  [ hide covariance matrix ] Orbital Elements at Epoch 2457338.5 (2015-Nov-12.0) TDB Reference: JPL 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1455931648876987 5.2742e-08   q 2.27247420304119 1.3848e-07 au tp 2456844.646436245928 (2014-Jul-06.14643625) 0.00011202 TDB node 287.9524833277668 0.00015899 deg peri 174.3893883145172 0.00016127 deg i 2.48555761124159 6.1879e-06 deg   Orbit Determination Parameters    # obs. used (total)      148      data-arc span      7146 days (19.56 yr)      first obs. used      2000-11-30      last obs. used      2020-06-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5662      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 21:16:57   Additional Information  Jupiter MOID = 2.09498 au   T_jup = 3.369  Orbit Covariance (6×6)   e q tp node peri i e 2.78175299661331E-15 -7.254007911022242E-15 1.878935418159877E-12 1.702964281140218E-14 3.758304638079773E-13 1.566815551450314E-16 q -7.254007911022242E-15 1.917757374092691E-14 -4.572352430135527E-12 -4.502210855017372E-14 -8.797196653833877E-13 -2.428337071449319E-16 tp 1.878935418159877E-12 -4.572352430135527E-12 1.254915133730124E-8 1.648575512920887E-11 3.077524903309278E-9 -1.026085055213955E-12 node 1.702964281140218E-14 -4.502210855017372E-14 1.648575512920887E-11 2.527832567287603E-8 -2.525079139871258E-8 3.531916296376392E-10 peri 3.758304638079773E-13 -8.797196653833877E-13 3.077524903309278E-9 -2.525079139871258E-8 2.600841560223189E-8 -3.530921770158898E-10 i 1.566815551450314E-16 -2.428337071449319E-16 -1.026085055213955E-12 3.531916296376392E-10 -3.530921770158898E-10 3.829030611925472E-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 17.4   n/a MPO470937   277631 (2006 BU63)          Discovered 2006-Jan-22 by Mt. Lemmon Survey at Mount Lemmon 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-Jan-26 22:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin