+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   212782 (2007 TT186) Classification: Main-belt Asteroid          SPK-ID: 2212782 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09970205877646428 6.6476e-08   a 2.332433081762324 1.6667e-08 au q 2.099884701552287 1.5997e-07 au i 6.744212939730928 6.5575e-06 deg node 46.80804808869851 3.761e-05 deg peri 354.991213247671 4.7847e-05 deg M 184.2837203864248 3.4062e-05 deg tp 2459635.570170801617 (2022-Feb-25.07017080) 0.00012829 TDB period 1301.104610178187 3.56 1.3946e-05 3.818e-08 d yr n .2766879751126989 2.9658e-09 deg/d Q 2.564981461972361 1.8329e-08 au   Orbit Determination Parameters    # obs. used (total)      361      data-arc span      7173 days (19.64 yr)      first obs. used      2000-11-02      last obs. used      2020-06-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .64017      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 03:58:49   Additional Information  Earth MOID = 1.10844 au   Jupiter MOID = 2.78271 au   T_jup = 3.554  [ hide covariance matrix ] Orbital Elements at Epoch 2457432.5 (2016-Feb-14.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0987641725300836 6.6191e-08   q 2.103300811758049 1.5904e-07 au tp 2457033.510433257085 (2015-Jan-11.01043326) 0.00010998 TDB node 46.83377382860021 3.7632e-05 deg peri 355.2330221929726 4.8123e-05 deg i 6.74140572962091 6.5542e-06 deg   Orbit Determination Parameters    # obs. used (total)      361      data-arc span      7173 days (19.64 yr)      first obs. used      2000-11-02      last obs. used      2020-06-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .64017      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 03:58:49   Additional Information  Jupiter MOID = 2.78271 au   T_jup = 3.554  Orbit Covariance (6×6)   e q tp node peri i e 4.38128843360679E-15 -1.048368874175924E-14 -3.856021744561255E-12 -1.824008684865349E-14 -1.08616687083947E-12 6.445838228804278E-15 q -1.048368874175924E-14 2.529308046178251E-14 1.005649687707272E-11 4.403946319539673E-14 2.828336607298502E-12 -1.594760504673573E-14 tp -3.856021744561255E-12 1.005649687707272E-11 1.209617577960148E-8 2.934699012180447E-11 3.31474783144452E-9 -1.24961600660967E-11 node -1.824008684865349E-14 4.403946319539673E-14 2.934699012180447E-11 1.416135243550899E-9 -1.397810105731386E-9 -1.150501556590416E-10 peri -1.08616687083947E-12 2.828336607298502E-12 3.31474783144452E-9 -1.397810105731386E-9 2.315822935257407E-9 1.108616868667822E-10 i 6.445838228804278E-15 -1.594760504673573E-14 -1.24961600660967E-11 -1.150501556590416E-10 1.108616868667822E-10 4.2956922815229E-11 [ 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 16.7   n/a MPO470283   212782 (2007 TT186)          Discovered 2007-Oct-13 by LINEAR at Socorro Reference: 20090409/Numbers.arc Last Updated: 2009-04-10 [ show close-approach data ] Alternate Designations  2007 TT186 = 2000 WE190  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-16 10:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin