+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   438524 (2007 TQ) Classification: Main-belt Asteroid          SPK-ID: 2438524 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1799457488365747 9.9346e-08   a 2.550439962098013 1.7913e-08 au q 2.091499133255561 2.6034e-07 au i 11.45438862687677 6.6758e-06 deg node 282.6981189432111 3.9963e-05 deg peri 78.15086080651902 4.5742e-05 deg M 46.13999981829323 2.097e-05 deg tp 2458809.823939078720 (2019-Nov-22.32393908) 8.5823e-05 TDB period 1487.719596922181 4.07 1.5673e-05 4.291e-08 d yr n .2419810834950175 2.5493e-09 deg/d Q 3.009380790940464 2.1136e-08 au   Orbit Determination Parameters    # obs. used (total)      301      data-arc span      7134 days (19.53 yr)      first obs. used      2001-03-19      last obs. used      2020-09-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45563      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 09:26:50   Additional Information  Earth MOID = 1.12303 au   Jupiter MOID = 2.54607 au   T_jup = 3.390  [ 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 16.1   n/a MPO495173   438524 (2007 TQ)          Discovered 2007-Oct-03 by Lowe, A. at Mayhill Reference: Last Updated: 2015-07-06 Alternate Designations  2007 TQ = 2003 WL16  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-18 18:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin