+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   190178 (2005 UQ411) Classification: Main-belt Asteroid          SPK-ID: 2190178 [ 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 .1403935812040112 5.3647e-08   a 2.320018451348288 8.9289e-09 au q 1.994302752504117 1.2467e-07 au i 7.052149604752243 5.2414e-06 deg node 71.46427852047697 3.6581e-05 deg peri 293.6800669038234 4.0636e-05 deg M 138.9314697986084 1.604e-05 deg tp 2458702.380303613143 (2019-Aug-06.88030361) 5.7455e-05 TDB period 1290.730537575187 3.53 7.4513e-06 2.04e-08 d yr n .2789118173932019 1.6101e-09 deg/d Q 2.645734150192458 1.0182e-08 au   Orbit Determination Parameters    # obs. used (total)      456      data-arc span      7153 days (19.58 yr)      first obs. used      2001-08-14      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .54876      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 22:06:33   Additional Information  Earth MOID = 1.00403 au   Jupiter MOID = 2.83532 au   T_jup = 3.555  [ 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 16.6   n/a MPO503007   190178 (2005 UQ411)          Discovered 2005-Oct-31 by Mt. Lemmon Survey at Mount Lemmon Reference: 20080819/Numbers.arc Last Updated: 2008-08-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-17 12:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin