+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   21393 Kalygeringer (1998 FF34) Classification: Main-belt Asteroid          SPK-ID: 2021393 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2004749064701386 3.2198e-08   a 2.383573474944576 7.5965e-09 au q 1.905726805490359 7.8077e-08 au i 1.585251785955399 3.7477e-06 deg node 300.7599326361608 0.00012191 deg peri 341.1700465854017 0.00012225 deg M 36.14328220960476 1.0358e-05 deg tp 2459261.552037865974 (2021-Feb-16.05203787) 3.8373e-05 TDB period 1344.129901831093 3.68 6.4257e-06 1.759e-08 d yr n .2678312561230697 1.2804e-09 deg/d Q 2.861420144398793 9.1194e-09 au   Orbit Determination Parameters    # obs. used (total)      1865      data-arc span      16532 days (45.26 yr)      first obs. used      1976-04-02      last obs. used      2021-07-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50631      source      ORB      producer      Otto Matic      solution date      2021-Jul-09 14:03:56   Additional Information  Earth MOID = .889094 au   Jupiter MOID = 2.2847 au   T_jup = 3.509  [ 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 14.60   n/a E2021B10   diameter diameter 3.791 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.214   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   21393 Kalygeringer           Discovered 1998 Mar. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Karen Lynn Geringer (b. 1988) is a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors, for her behavioral and social sciences project. She attends the Plainedge High School, North Massapequa, 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: 20050224/MPCPages.arc Last Updated: 2005-02-28 Alternate Designations  1998 FF34 = 1976 GG5 = 1999 RD27  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jul-31 07:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin