+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   20264 Chauhan (1998 FV20) Classification: Main-belt Asteroid          SPK-ID: 2020264 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1803775515733974 3.38e-08   a 2.420939269823146 7.0479e-09 au q 1.984256171824559 8.2358e-08 au i 2.388938438972133 3.06e-06 deg node 94.14591999596152 9.154e-05 deg peri 324.0795899465642 9.1999e-05 deg M 102.2643087081033 8.5697e-06 deg tp 2458809.662833794274 (2019-Nov-22.16283379) 3.2655e-05 TDB period 1375.8600787658 3.77 6.0081e-06 1.645e-08 d yr n .2616545138244973 1.1426e-09 deg/d Q 2.857622367821734 8.3191e-09 au   Orbit Determination Parameters    # obs. used (total)      1936      data-arc span      11400 days (31.21 yr)      first obs. used      1989-12-28      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50006      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:16:15   Additional Information  Earth MOID = .996436 au   Jupiter MOID = 2.47834 au   T_jup = 3.490  [ 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 14.39   n/a E2021B10   diameter diameter 3.818 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.133   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   20264 Chauhan           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Neha Chauhan (b. 1986) is a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors, for her medicine and health project. She attends the Susan E. Wagner High School, Staten Island, New York. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20040415/MPCPages.arc Last Updated: 2004-04-20 [ show close-approach data ] Alternate Designations  1998 FV20 = 1989 YK5 = 1994 CX8  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-14 13:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin