+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190084 (2004 TO83) Classification: Main-belt Asteroid          SPK-ID: 2190084 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0891019569894184 3.7126e-08   a 2.729216770670727 2.1174e-08 au q 2.486038215355625 1.0538e-07 au i 5.30111460606988 5.434e-06 deg node 197.1419322220171 4.4847e-05 deg peri 78.63921185745396 5.504e-05 deg M 300.2599143893992 3.323e-05 deg tp 2459473.786899613527 (2021-Sep-16.28689961) 0.0001531 TDB period 1646.855421369059 4.51 1.9165e-05 5.247e-08 d yr n .2185984242021233 2.544e-09 deg/d Q 2.97239532598583 2.3061e-08 au   Orbit Determination Parameters    # obs. used (total)      406      data-arc span      9279 days (25.40 yr)      first obs. used      1995-09-17      last obs. used      2021-02-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52136      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:06:09   Additional Information  Earth MOID = 1.47487 au   Jupiter MOID = 2.11409 au   T_jup = 3.343  [ 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 16.14   n/a E2021B55   190084 (2004 TO83)          Discovered 2004-Oct-05 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-22 21:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin