+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   20045 (1993 FV11) Classification: Main-belt Asteroid          SPK-ID: 2020045 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1719752649696699 3.6607e-08   a 2.580428399312869 9.5729e-09 au q 2.136658541605777 9.8192e-08 au i 3.668980183057565 3.2363e-06 deg node 100.5840372106171 6.3499e-05 deg peri 336.0111311430176 6.4322e-05 deg M 289.6572057860738 1.026e-05 deg tp 2459296.337525514432 (2021-Mar-22.83752551) 4.3427e-05 TDB period 1514.03580672817 4.15 8.4252e-06 2.307e-08 d yr n .23777508986261 1.3231e-09 deg/d Q 3.024198257019961 1.1219e-08 au   Orbit Determination Parameters    # obs. used (total)      1804      data-arc span      22629 days (61.95 yr)      first obs. used      1958-12-03      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48421      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 03:12:44   Additional Information  Earth MOID = 1.15263 au   Jupiter MOID = 2.23069 au   T_jup = 3.401  [ 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 14.1   n/a MPO431730   diameter diameter 4.086 km 0.662 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.555   0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   20045 (1993 FV11)          Discovered 1993-Mar-17 by UESAC at La Silla Reference: 20010109/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1993 FV11 = 1958 XJ = 1997 CU21  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-25 07:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin