+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190157 (2005 TN106) Classification: Main-belt Asteroid          SPK-ID: 2190157 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03664665290214406 3.953e-08   a 2.317325595196811 1.2476e-08 au q 2.232403368448379 9.1328e-08 au i 2.850730093179558 3.9667e-06 deg node 272.9257634267559 9.089e-05 deg peri 24.28566060386334 0.00011058 deg M 196.1619035030066 6.279e-05 deg tp 2459786.896551281864 (2022-Jul-26.39655128) 0.00022621 TDB period 1288.483954434524 3.53 1.0405e-05 2.849e-08 d yr n .2793981242537033 2.2563e-09 deg/d Q 2.402247821945243 1.2933e-08 au   Orbit Determination Parameters    # obs. used (total)      361      data-arc span      7693 days (21.06 yr)      first obs. used      2000-02-12      last obs. used      2021-03-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .57354      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:06:28   Additional Information  Earth MOID = 1.21479 au   Jupiter MOID = 2.65256 au   T_jup = 3.578  [ 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 16.8   n/a MPO533208   190157 (2005 TN106)          Discovered 2005-Oct-10 by Spacewatch at Kitt Peak Reference: 20080819/Numbers.arc Last Updated: 2008-08-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-17 03:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin