+ 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 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1537968744941801 2.6665e-08   a 2.567464052388051 7.8993e-09 au q 2.172596105754607 6.9296e-08 au i 7.972892925368068 3.9069e-06 deg node 300.8928872257503 2.4426e-05 deg peri 321.2779969763375 2.8607e-05 deg M 289.3918106814311 1.6332e-05 deg tp 2459295.218608591057 (2021-Mar-21.71860859) 6.8649e-05 TDB period 1502.640134476272 4.11 6.9347e-06 1.899e-08 d yr n .2395783206772085 1.1057e-09 deg/d Q 2.962331999021496 9.1142e-09 au   Orbit Determination Parameters    # obs. used (total)      2881      data-arc span      25734 days (70.46 yr)      first obs. used      1949-12-28      last obs. used      2020-06-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42861      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 15:35:49   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-Jul-07 02:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin