+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15010 (1998 QL92) Classification: Main-belt Asteroid          SPK-ID: 2015010 [ 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 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2110282043502591 3.1059e-08   a 2.374771302826274 5.2845e-09 au q 1.87362757904832 7.3753e-08 au i 2.020720552459145 2.9845e-06 deg node 177.4081054488078 8.745e-05 deg peri 226.9515673031639 8.7731e-05 deg M 15.16673287650091 5.8718e-06 deg tp 2459144.185445573300 (2020-Oct-21.68544557) 2.1833e-05 TDB period 1336.6912807585 3.66 4.4617e-06 1.222e-08 d yr n .2693217238581218 8.9897e-10 deg/d Q 2.875915026604228 6.3997e-09 au   Orbit Determination Parameters    # obs. used (total)      2493      data-arc span      24202 days (66.26 yr)      first obs. used      1954-10-22      last obs. used      2021-01-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .43944      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:21:30   Additional Information  Earth MOID = .882432 au   Jupiter MOID = 2.5255 au   T_jup = 3.511  [ 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 14.0   n/a MPO439197   diameter diameter 4.590 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   geometric albedo albedo 0.275   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   15010 (1998 QL92)          Discovered 1998-Aug-28 by LINEAR at Socorro Reference: 20000523/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 QL92 = 1954 UY = 1976 UR2 = 1985 DD3 = 1987 UV4  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-01 02:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin