+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78153 (2002 NX24) Classification: Main-belt Asteroid          SPK-ID: 2078153 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2122259804894493 4.356e-08   a 2.642330692256591 1.5149e-08 au q 2.081559470315071 1.1612e-07 au i 11.22336012749837 5.0737e-06 deg node 287.1578632525906 2.834e-05 deg peri 339.0815248607942 3.1583e-05 deg M 88.18893146612261 1.4871e-05 deg tp 2458616.181968963088 (2019-May-12.68196896) 6.4002e-05 TDB period 1568.841904229631 4.30 1.3492e-05 3.694e-08 d yr n .2294686284382335 1.9734e-09 deg/d Q 3.203101914198111 1.8364e-08 au   Orbit Determination Parameters    # obs. used (total)      588      data-arc span      8094 days (22.16 yr)      first obs. used      1998-09-19      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54312      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:06:08   Additional Information  Earth MOID = 1.06947 au   Jupiter MOID = 1.94054 au   T_jup = 3.335  [ 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 15.4   n/a MPO395706   diameter diameter 4.981 km 0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.044   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   78153 (2002 NX24)          Discovered 2002-Jul-09 by LINEAR at Socorro Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2002 NX24 = 2001 FP134  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-23 18:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin