+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   21818 Yurkanin (1999 TJ32) Classification: Main-belt Asteroid          SPK-ID: 2021818 [ 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 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05736560580393361 3.3392e-08   a 3.018023290227171 1.5338e-08 au q 2.844892555852908 1.0645e-07 au i 2.017714637753781 3.9708e-06 deg node 341.6677729384129 0.00011155 deg peri 124.6853995807089 0.0001189 deg M 295.8633122350748 4.1118e-05 deg tp 2459541.682175607441 (2021-Nov-23.18217561) 0.00021932 TDB period 1915.059656165301 5.24 1.4599e-05 3.997e-08 d yr n .1879837000591725 1.433e-09 deg/d Q 3.191154024601433 1.6218e-08 au   Orbit Determination Parameters    # obs. used (total)      1739      data-arc span      16375 days (44.83 yr)      first obs. used      1976-05-03      last obs. used      2021-03-03      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49717      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 03:53:48   Additional Information  Earth MOID = 1.86219 au   Jupiter MOID = 1.87589 au   T_jup = 3.244  [ 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 14.12   n/a E2021B10   21818 Yurkanin           Discovered 1999 Oct. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Alana Marie Yurkanin (b. 1987) was awarded second place in the 2005 Intel International Science and Engineering Fair for her zoology team project. She attends the Henry Perrine Baldwin High School, Wailuku, Hawaii, 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: 20050822/MPCPages.arc Last Updated: 2005-08-26 [ show close-approach data ] Alternate Designations  1999 TJ32 = 1976 JY4 = 1996 DG6  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-20 11:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin