+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 41 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1757589430956762 1.4484e-08   a 2.366707066217218 5.8333e-09 au q 1.950737133641811 3.4672e-08 au i 4.78778643570862 4.3589e-07 deg node 187.4706774134987 7.863e-06 deg peri 321.015942000998 1.084e-05 deg M 276.6282972406279 6.2616e-06 deg tp 2459508.486271869951 (2021-Oct-20.98627187) 2.3729e-05 TDB period 1329.888369836834 3.64 4.9168e-06 1.346e-08 d yr n .270699412195152 1.0008e-09 deg/d Q 2.782676998792625 6.8586e-09 au   Orbit Determination Parameters    # obs. used (total)      3068      data-arc span      27806 days (76.13 yr)      first obs. used      1945-01-15      last obs. used      2021-03-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .44372      source      ORB      producer      Otto Matic      solution date      2021-Mar-16 14:23:05   Additional Information  Earth MOID = .964381 au   Jupiter MOID = 2.22876 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 12.87   n/a E2021B10   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 ] 2021-Apr-11 23:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin