+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   437359 (2013 TW144) Classification: Main-belt Asteroid          SPK-ID: 2437359 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2217029325297652 9.32e-08   a 2.27347116970745 1.3688e-08 au q 1.769435944361433 2.0529e-07 au i 7.081701750726947 5.7983e-06 deg node 185.01555350226 4.8947e-05 deg peri 229.3801116144394 5.0857e-05 deg M 66.43325752244921 9.3618e-06 deg tp 2459165.444850890583 (2020-Nov-11.94485089) 3.2982e-05 TDB period 1252.081514312045 3.43 1.1307e-05 3.096e-08 d yr n .2875212163784734 2.5966e-09 deg/d Q 2.777506395053468 1.6722e-08 au   Orbit Determination Parameters    # obs. used (total)      281      data-arc span      9831 days (26.92 yr)      first obs. used      1994-03-09      last obs. used      2021-02-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52855      source      ORB      producer      Otto Matic      solution date      2021-Jul-09 07:55:55   Additional Information  Earth MOID = .789027 au   Jupiter MOID = 2.6154 au   T_jup = 3.568  [ 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 17.98   n/a MPCxxxxx   437359 (2013 TW144)          Discovered 2006-Aug-29 by CSS at Catalina Reference: Last Updated: 2015-06-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jul-28 02:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin