+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11748 (1999 NT10) Classification: Main-belt Asteroid          SPK-ID: 2011748 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2462155400050255 2.9317e-08   a 2.395758715720894 9.5668e-09 au q 1.805885689807928 7.0525e-08 au i 8.364615168018849 3.6829e-06 deg node 299.4120887127385 2.8765e-05 deg peri 347.9549272174638 3.0729e-05 deg M 239.2292772355006 1.3318e-05 deg tp 2459454.883138178943 (2021-Aug-28.38313818) 5.1702e-05 TDB period 1354.450201174943 3.71 8.1129e-06 2.221e-08 d yr n .265790502808971 1.592e-09 deg/d Q 2.985631741633861 1.1922e-08 au   Orbit Determination Parameters    # obs. used (total)      1277      data-arc span      11547 days (31.61 yr)      first obs. used      1988-09-08      last obs. used      2020-04-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53225      source      ORB      producer      Otto Matic      solution date      2020-May-20 03:36:30   Additional Information  Earth MOID = .790502 au   Jupiter MOID = 2.20915 au   T_jup = 3.473  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.8   n/a MPO332930   diameter diameter 4.449 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.129   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   11748 (1999 NT10)          Discovered 1999-Jul-13 by LINEAR at Socorro Reference: 19990928/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1999 NT10 = 1988 RC1 = 1988 SV = 1991 GP12  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-23 22:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin