+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14548 (1997 TJ24) Classification: Main-belt Asteroid          SPK-ID: 2014548 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07914318239555203 2.3428e-08   a 3.047910477872207 1.7209e-08 au q 2.806689142996653 6.9225e-08 au i 9.023961843504289 4.0095e-07 deg node 227.7391916325079 8.0877e-06 deg peri 232.338459310093 1.3487e-05 deg M 94.47545287350528 1.2422e-05 deg tp 2458886.443579352907 (2020-Feb-06.94357935) 6.5429e-05 TDB period 1943.57693822125 5.32 1.646e-05 4.507e-08 d yr n .1852254947671225 1.5687e-09 deg/d Q 3.289131812747761 1.8571e-08 au   Orbit Determination Parameters    # obs. used (total)      2152      data-arc span      12710 days (34.80 yr)      first obs. used      1986-09-08      last obs. used      2021-06-26      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .43972      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 03:34:59   Additional Information  Earth MOID = 1.8344 au   Jupiter MOID = 1.94704 au   T_jup = 3.214  [ 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 13.09   n/a MPCxxxxx   diameter diameter 7.963 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.211   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14548 (1997 TJ24)          Discovered 1997-Oct-05 by Beijing Schmidt CCD Asteroid Program at Xinglong Reference: 20000418/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1997 TJ24 = 1986 RW9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jul-30 18:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin