+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1714 Sy (1951 OA) Classification: Main-belt Asteroid          SPK-ID: 2001714 [ 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 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .153796874218923 2.6647e-08   a 2.567464052301219 7.8939e-09 au q 2.172596106387842 6.9259e-08 au i 7.972892919235585 3.9034e-06 deg node 300.8928872587806 2.4426e-05 deg peri 321.2779968547188 2.8605e-05 deg M 289.3918108208393 1.6324e-05 deg tp 2459295.218607994216 (2021-Mar-21.71860799) 6.8612e-05 TDB period 1502.640134400042 4.11 6.93e-06 1.897e-08 d yr n .2395783206893624 1.1049e-09 deg/d Q 2.962331998214595 9.108e-09 au   Orbit Determination Parameters    # obs. used (total)      2896      data-arc span      25771 days (70.56 yr)      first obs. used      1949-12-28      last obs. used      2020-07-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42803      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 04:16:14   Additional Information  Earth MOID = 1.16336 au   Jupiter MOID = 2.16057 au   T_jup = 3.401  [ 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 11.9   n/a MPO296142   diameter diameter 13.998 km 0.881 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.157   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   1714 Sy (1951 OA)          Discovered 1951-Jul-25 by Boyer, L. at Algiers Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1951 OA = 1949 YM = 1950 DE1 = 1951 NM  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Nov-30 17:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin