+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   227519 (2005 YV39) Classification: Main-belt Asteroid          SPK-ID: 2227519 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07637540089635159 5.6651e-08   a 2.809336891292922 2.8046e-08 au q 2.594772659967515 1.5964e-07 au i 6.5065081789623 5.8649e-06 deg node 108.9277368608322 5.5511e-05 deg peri 233.1129007766717 6.7814e-05 deg M 187.4450168757438 3.8105e-05 deg tp 2460024.883261250728 (2023-Mar-21.38326125) 0.00018111 TDB period 1719.903816608723 4.71 2.5755e-05 7.051e-08 d yr n .2093140305426159 3.1344e-09 deg/d Q 3.023901122618329 3.0188e-08 au   Orbit Determination Parameters    # obs. used (total)      185      data-arc span      9789 days (26.80 yr)      first obs. used      1993-04-15      last obs. used      2020-02-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56609      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 06:06:45   Additional Information  Earth MOID = 1.59017 au   Jupiter MOID = 2.27885 au   T_jup = 3.308  [ 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 16.44   n/a E2021B55   227519 (2005 YV39)          Discovered 2005-Dec-22 by Spacewatch at Kitt Peak Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-12 02:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin