+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   21515 Gavini (1998 KR50) Classification: Main-belt Asteroid          SPK-ID: 2021515 [ 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 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1508951581939244 4.047e-08   a 2.702452237497972 1.4621e-08 au q 2.294665279609191 1.1202e-07 au i 15.51652769951407 4.225e-06 deg node 105.5790294696044 1.8051e-05 deg peri 179.5984062495214 2.5528e-05 deg M 354.5795331810198 2.0199e-05 deg tp 2459224.932598425330 (2021-Jan-10.43259843) 9.1072e-05 TDB period 1622.689655127082 4.44 1.3168e-05 3.605e-08 d yr n .2218538824491405 1.8004e-09 deg/d Q 3.110239195386753 1.6827e-08 au   Orbit Determination Parameters    # obs. used (total)      1351      data-arc span      8610 days (23.57 yr)      first obs. used      1997-01-14      last obs. used      2020-08-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5243      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:56:35   Additional Information  Earth MOID = 1.27631 au   Jupiter MOID = 2.06461 au   T_jup = 3.298  [ 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 14.20   n/a E2021B10   diameter diameter 4.128 km 1.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.313   0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   21515 Gavini           Discovered 1998 May 23 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Madhavi Pulakat Gavini (b. 1989) was awarded first place and Best in Category in the 2006 Intel International Science and Engineering Fair for her medicine and health project. She also received the Intel Foundation Young Scientist Award. She attends the Mississippi School for Mathematics and Science, Columbus,, Mississippi, U.S.A. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060711/MPCPages.arc Last Updated: 2006-07-17 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-10 18:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin