+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   441559 (2008 TF167) Classification: Main-belt Asteroid          SPK-ID: 2441559 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1777111484330146 8.2152e-08   a 2.398586810348576 2.4421e-08 au q 1.972331193665249 1.9169e-07 au i 4.040829835703439 6.9843e-06 deg node 282.4816980672757 8.3671e-05 deg peri 20.57814205791778 8.652e-05 deg M 164.7174988367444 1.9989e-05 deg tp 2458579.675529226806 (2019-Apr-06.17552923) 7.0583e-05 TDB period 1356.849217944129 3.71 2.0722e-05 5.673e-08 d yr n .2653205641710615 4.0521e-09 deg/d Q 2.824842427031903 2.8761e-08 au   Orbit Determination Parameters    # obs. used (total)      142      data-arc span      5975 days (16.36 yr)      first obs. used      2004-09-09      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55442      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 17:42:55   Additional Information  Earth MOID = .955563 au   Jupiter MOID = 2.40123 au   T_jup = 3.502  [ 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 17.6   n/a MPO450444   441559 (2008 TF167)          Discovered 2008-Oct-08 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2015-09-02 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Feb-27 04:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin