+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2923 Schuyler (1977 DA) Classification: Main-belt Asteroid          SPK-ID: 2002923 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1318184525506093 3.7259e-08   a 2.45590977314638 8.9882e-09 au q 2.132175547246306 9.1248e-08 au i 2.872204184811601 4.2901e-06 deg node 350.6534989438503 7.6994e-05 deg peri 172.9432280242311 7.8591e-05 deg M 130.8029687455444 1.8006e-05 deg tp 2458689.722053075531 (2019-Jul-25.22205308) 6.9124e-05 TDB period 1405.778956366938 3.85 7.7173e-06 2.113e-08 d yr n .2560857796096019 1.4058e-09 deg/d Q 2.779643999046454 1.0173e-08 au   Orbit Determination Parameters    # obs. used (total)      2103      data-arc span      22800 days (62.42 yr)      first obs. used      1958-04-08      last obs. used      2020-09-09      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48598      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 04:04:46   Additional Information  Earth MOID = 1.13961 au   Jupiter MOID = 2.19478 au   T_jup = 3.479  [ 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 13.71   n/a E2021B10   diameter diameter 9.290 km 1.400 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.074   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   2923 Schuyler (1977 DA)          Discovered 1977-Feb-22 by Harvard College at Agassiz Station Discovered at Oak Ridge Observatory (until 1981 Harvard College's Agassiz Station). The principal observers are R. E. McCrosky, C.-Y. Shao, G. Schwartz, and J. H. Bulger, with some assistance from others. Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1977 DA = 1958 GG = 1977 DF3 = 1979 SP11 = 1981 EY24  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-02 22:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin