+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   249059 (2007 TP249) Classification: Main-belt Asteroid          SPK-ID: 2249059 [ 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 .009995585788869952 6.5423e-08   a 2.766846283467725 2.8338e-08 au q 2.739190034076708 1.7428e-07 au i 3.763518325228641 7.6581e-06 deg node 329.3404736815075 0.00010293 deg peri 169.833475777267 0.00040424 deg M 152.525289072425 0.00039028 deg tp 2458288.278088350796 (2018-Jun-18.77808835) 0.0018215 TDB period 1681.031976749538 4.60 2.5826e-05 7.071e-08 d yr n .2141541654050507 3.2901e-09 deg/d Q 2.794502532858743 2.8621e-08 au   Orbit Determination Parameters    # obs. used (total)      186      data-arc span      7042 days (19.28 yr)      first obs. used      2000-01-28      last obs. used      2019-05-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61589      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 10:19:16   Additional Information  Earth MOID = 1.74991 au   Jupiter MOID = 2.18235 au   T_jup = 3.336  [ 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 16.7   n/a MPO433632   diameter diameter 2.930 km 1.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.047   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   249059 (2007 TP249)          Discovered 2007-Oct-11 by Mt. Lemmon Survey at Mount Lemmon Reference: 20100824/Numbers.arc Last Updated: 2010-08-27 [ show close-approach data ] Alternate Designations  2007 TP249 = 2000 BN46 = 2009 BS115  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-06 08:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin