+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   226910 (2004 TF196) Classification: Main-belt Asteroid          SPK-ID: 2226910 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1208359768439572 7.5042e-08   a 2.764052443472652 2.2853e-08 au q 2.430055466417707 2.0861e-07 au i 3.4160579616227 6.7976e-06 deg node 229.6722249814128 0.00011719 deg peri 127.421971895801 0.00012037 deg M 169.1076579968474 2.8073e-05 deg tp 2458212.041899706908 (2018-Apr-03.54189971) 0.00012748 TDB period 1678.486471090532 4.60 2.0817e-05 5.699e-08 d yr n .2144789405219953 2.66e-09 deg/d Q 3.098049420527597 2.5615e-08 au   Orbit Determination Parameters    # obs. used (total)      182      data-arc span      8895 days (24.35 yr)      first obs. used      1995-11-14      last obs. used      2020-03-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60556      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 02:30:16   Additional Information  Earth MOID = 1.42791 au   Jupiter MOID = 2.35475 au   T_jup = 3.327  [ show covariance matrix ] [ 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 16.5   n/a MPO454630   226910 (2004 TF196)          Discovered 2004-Oct-07 by Spacewatch at Kitt Peak Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1912-Jan-06 01:48 00:02 Eunom 0.0478299806728966 0.0478150013295587 0.0478449830307076 4.00314395486986 4.00314388155492 2419407.574994550 2.01760960297105 1820.35209369633 70.905785309179 65.8821616583875 92021.1493976249 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 02:30:16 2020-Nov-12 02:30 2066-Apr-03 00:28 00:05 Hygie 0.0206774106685018 0.0206608219515743 0.0206939999953916 2.88876397630013 2.88876332946401 2475743.519786228 5.42980039530549 842.921135440427 93.1937248596898 12.1677865610414 7833.60991686193 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 02:30:16 2020-Nov-12 02:30 2157-Apr-26 01:25 00:07 Europ 0.0405750336031205 0.0405716659865632 0.0405784420105013 4.04260119876205 4.0426011339655 2509003.558684001 6.88751450526768 2406.95517764107 90.4453580292793 -86.5988893193838 66948.9178149336 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 02:30:16 2020-Nov-12 02:30 2171-Feb-01 15:50 00:29 Psych 0.0423865725632796 0.0423353004707492 0.0424378449429914 1.46660965454572 1.46660945991546 2514033.159453969 29.276802564142 2549.59864846983 58.2831476187626 4.44181764589459 8723.23219818063 T 13 CATAB v2.0f-lin.ifort 2020-Nov-12 02:30:16 2020-Nov-12 02:30 Alternate Designations  2004 TF196 = 1995 VA9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 00:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin