+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14750 (2654 P-L) Classification: Main-belt Asteroid          SPK-ID: 2014750 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1818619746398482 2.9432e-08   a 3.062958966135037 1.4006e-08 au q 2.505923200312891 8.9505e-08 au i 1.638323027672238 3.8474e-06 deg node 139.7764071039815 0.00013198 deg peri 309.0959377073491 0.00013294 deg M 18.89419019498957 1.3184e-05 deg tp 2459097.737188677068 (2020-Sep-05.23718868) 7.1629e-05 TDB period 1957.988762390348 5.36 1.343e-05 3.677e-08 d yr n .1838621379831136 1.2611e-09 deg/d Q 3.619994731957183 1.6553e-08 au   Orbit Determination Parameters    # obs. used (total)      936      data-arc span      22077 days (60.44 yr)      first obs. used      1960-09-24      last obs. used      2021-03-05      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51987      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:38:30   Additional Information  Earth MOID = 1.52251 au   Jupiter MOID = 1.59684 au   T_jup = 3.207  [ 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 15.05   n/a E2020-QM5   diameter diameter 5.238 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.077   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14750 (2654 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar Reference: 20000418/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2654 P-L = 1998 YD9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 03:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin