+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2001955293120548 3.2567e-08   a 2.382929645509879 7.526e-09 au q 1.905877783813641 7.8962e-08 au i 1.58569197140661 3.7513e-06 deg node 300.7623260017145 0.00012227 deg peri 341.2203395910462 0.00012261 deg M 343.6090723146707 1.0323e-05 deg tp 2459261.673917174439 (2021-Feb-16.17391717) 3.866e-05 TDB period 1343.585342183497 3.68 6.3652e-06 1.743e-08 d yr n .2679398090298859 1.2694e-09 deg/d Q 2.859981507206116 9.0327e-09 au   Orbit Determination Parameters    # obs. used (total)      1833      data-arc span      16140 days (44.19 yr)      first obs. used      1976-04-02      last obs. used      2020-06-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50542      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:57:17   Additional Information  Earth MOID = .887592 au   Jupiter MOID = 2.28736 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-Apr-11 05:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin