+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   243417 (2009 BV144) Classification: Main-belt Asteroid          SPK-ID: 2243417 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03910831139106553 4.1855e-08   a 2.774184413939763 2.1937e-08 au q 2.665690746023166 1.1928e-07 au i 4.222462699051156 5.4955e-06 deg node 126.0316093213326 6.3359e-05 deg peri 156.0548009201617 0.0001035 deg M 23.26057014473974 8.0169e-05 deg tp 2458891.451606271267 (2020-Feb-11.95160627) 0.00037639 TDB period 1687.723967988018 4.62 2.0018e-05 5.481e-08 d yr n .2133050231129714 2.53e-09 deg/d Q 2.88267808185636 2.2795e-08 au   Orbit Determination Parameters    # obs. used (total)      228      data-arc span      6583 days (18.02 yr)      first obs. used      2002-10-10      last obs. used      2020-10-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52086      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 00:56:41   Additional Information  Earth MOID = 1.64991 au   Jupiter MOID = 2.16712 au   T_jup = 3.331  [ 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 16.5   n/a MPO437136   diameter diameter 2.913 km 0.852 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.052   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   243417 (2009 BV144)          Discovered 2009-Jan-30 by Spacewatch at Kitt Peak Reference: 20100626/Numbers.arc Last Updated: 2010-06-28 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2131-Feb-03 12:58 00:03 Eunom 0.0492584270881533 0.0492316784770173 0.0492852101633631 6.3047906658631 6.30479062066266 2499425.040054649 3.06610771493335 2450.80510232208 59.0099564713487 -57.0420205501529 104747.360790508 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 00:56:42 2020-Nov-12 00:56 Alternate Designations  2009 BV144 = 2002 TK363  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 23:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin