+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11701 (1998 FY116) Classification: Main-belt Asteroid          SPK-ID: 2011701 [ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1491054931131111 3.3866e-08   a 2.697865384804769 1.2013e-08 au q 2.295598836250661 9.3626e-08 au i 5.234589921582871 3.5321e-06 deg node 275.9880676552035 5.0801e-05 deg peri 23.70630628939738 5.3089e-05 deg M 275.8539041406142 1.7028e-05 deg tp 2459378.820879577063 (2021-Jun-13.32087958) 7.7163e-05 TDB period 1618.560139442893 4.43 1.0811e-05 2.96e-08 d yr n .2224199096636049 1.4856e-09 deg/d Q 3.100131933358877 1.3804e-08 au   Orbit Determination Parameters    # obs. used (total)      2146      data-arc span      25539 days (69.92 yr)      first obs. used      1950-07-15      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48509      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 17:18:49   Additional Information  Earth MOID = 1.28102 au   Jupiter MOID = 2.10667 au   T_jup = 3.347  [ 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 13.5   n/a MPO384860   diameter diameter 6.438 km 0.401 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.204   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   11701 (1998 FY116)          Discovered 1998-Mar-31 by LINEAR at Socorro Reference: 19990928/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1998 FY116 = 1950 NP1 = 1981 NA1 = 1986 TP4 = 1990 SE18  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-23 22:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin