+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190016 (2004 OT9) Classification: Main-belt Asteroid          SPK-ID: 2190016 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2593622989403119 7.9579e-08   a 2.547174927065435 3.2906e-08 au q 1.886533782178623 1.8706e-07 au i 7.241930904535306 6.9737e-06 deg node 73.08306920542864 5.4801e-05 deg peri 299.1032198802671 5.7804e-05 deg M 332.2414846701527 2.9058e-05 deg tp 2459314.993364274028 (2021-Apr-10.49336427) 0.00012138 TDB period 1484.863676924779 4.07 2.8774e-05 7.878e-08 d yr n .2424464990251337 4.6981e-09 deg/d Q 3.207816071952248 4.1441e-08 au   Orbit Determination Parameters    # obs. used (total)      296      data-arc span      8778 days (24.03 yr)      first obs. used      1995-04-25      last obs. used      2019-05-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53001      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:05:53   Additional Information  Earth MOID = .898659 au   Jupiter MOID = 2.28499 au   T_jup = 3.383  [ 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 15.8   n/a MPO234143   190016 (2004 OT9)          Discovered 2004-Jul-20 by Broughton, J. at Reedy Creek Reference: 20080819/Numbers.arc Last Updated: 2008-08-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-21 09:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin