+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2776 Baikal (1976 SZ7) Classification: Main-belt Asteroid          SPK-ID: 2002776 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1757145670094669 3.6559e-08   a 2.3664870616407 6.7431e-09 au q 1.950660812270999 8.6231e-08 au i 4.787968280908778 3.5831e-06 deg node 187.4712160302683 4.5097e-05 deg peri 321.0554347770877 4.5948e-05 deg M 222.4316989510875 9.5995e-06 deg tp 2459508.624928121655 (2021-Oct-21.12492812) 3.6244e-05 TDB period 1329.702938315394 3.64 5.6833e-06 1.556e-08 d yr n .2707371621334352 1.1572e-09 deg/d Q 2.782313311010402 7.9279e-09 au   Orbit Determination Parameters    # obs. used (total)      2406      data-arc span      27367 days (74.93 yr)      first obs. used      1945-01-15      last obs. used      2019-12-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48249      source      ORB      producer      Otto Matic      solution date      2020-Feb-22 16:30:55   Additional Information  Earth MOID = .96445 au   Jupiter MOID = 2.22982 au   T_jup = 3.522  [ 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 12.8   n/a MPO384776   diameter diameter 19.441 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.032   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   2776 Baikal (1976 SZ7)          Discovered 1976-Sep-25 by Chernykh, N. at Nauchnyj Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1976 SZ7 = 1938 EE1 = 1945 AC = 1949 GB = 1949 HH1 = 1951 WJ1 = 1962 YB = 1967 EA = 1971 KS = 1980 VE2 = 1982 HH1 = 1982 KE1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-04 09:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin