+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   22920 Kaitduncan (1999 TF94) Classification: Main-belt Asteroid          SPK-ID: 2022920 [ 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 .09630823534208685 3.1279e-08   a 2.938449138202158 1.2692e-08 au q 2.655452287059432 9.3909e-08 au i 3.072871886793057 3.471e-06 deg node 103.1235769187015 7.7551e-05 deg peri 309.8822121406166 8.2357e-05 deg M 42.33253435068356 2.5358e-05 deg tp 2458984.154701198974 (2020-May-14.65470120) 0.00012974 TDB period 1839.821517019847 5.04 1.192e-05 3.264e-08 d yr n .1956711543319322 1.2677e-09 deg/d Q 3.221445989344883 1.3914e-08 au   Orbit Determination Parameters    # obs. used (total)      1695      data-arc span      11482 days (31.44 yr)      first obs. used      1989-09-26      last obs. used      2021-03-04      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51248      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 04:14:47   Additional Information  Earth MOID = 1.66714 au   Jupiter MOID = 2.08809 au   T_jup = 3.265  [ 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 14.2   n/a MPO452492   22920 Kaitduncan           Discovered 1999 Oct. 2 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Kaitlin Duncan (b. 1989) is a finalist in the 2007 Intel Science Talent Search (STS), 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: 20070303/MPCPages.arc Last Updated: 2010-04-12 [ show close-approach data ] Alternate Designations  1999 TF94 = 1989 SQ3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 23:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin