+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1492232506383108 2.4917e-08   a 2.697954565573593 1.1743e-08 au q 2.29535701522423 7.0703e-08 au i 5.234565803321715 1.0821e-06 deg node 275.9874809131284 1.1008e-05 deg peri 23.71699998888386 1.3601e-05 deg M 320.3394702704809 7.7015e-06 deg tp 2459378.822598621431 (2021-Jun-13.32259862) 3.5099e-05 TDB period 1618.640394909657 4.43 1.0568e-05 2.893e-08 d yr n .2224088816343257 1.4521e-09 deg/d Q 3.100552115922957 1.3496e-08 au   Orbit Determination Parameters    # obs. used (total)      2192      data-arc span      25567 days (70.00 yr)      first obs. used      1950-07-15      last obs. used      2020-07-14      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48589      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 22:55:05   Additional Information  Earth MOID = 1.2788 au   Jupiter MOID = 2.1057 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 13.52   n/a MPCxxxxx   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 ] 2021-May-16 10:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin