+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2071 Nadezhda (1971 QS) Classification: Main-belt Asteroid          SPK-ID: 2002071 [ 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 45 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1573584203369997 1.278e-08   a 2.25211357120371 6.05e-09 au q 1.897724537219575 2.8445e-08 au i 3.636232800247039 2.7859e-07 deg node 302.168953077155 1.2847e-05 deg peri 1.08838832259007 1.2503e-05 deg M 229.4623722786701 5.8698e-06 deg tp 2459648.127823585456 (2022-Mar-09.62782359) 2.0774e-05 TDB period 1234.479431744972 3.38 4.9744e-06 1.362e-08 d yr n .2916208976370953 1.1751e-09 deg/d Q 2.606502605187845 7.002e-09 au   Orbit Determination Parameters    # obs. used (total)      2604      data-arc span      24372 days (66.73 yr)      first obs. used      1954-07-01      last obs. used      2021-03-23      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .44692      source      ORB      producer      Otto Matic      solution date      2021-May-03 19:57:58   Additional Information  Earth MOID = .880412 au   Jupiter MOID = 2.60849 au   T_jup = 3.607  [ 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 13.35   n/a E2021B10   diameter diameter 5.034 km 0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.334   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   2071 Nadezhda           Discovered 1971 Aug. 18 by T. M. Smirnova at the Crimean Astrophysical Observatory. Named in memory of Nadezhda Konstantinovna Krupskaya (1869-1939), one of the creators of the Soviet public education system, wife of V. I. Lenin. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC 5282 Last Updated: 2007-10-23 Alternate Designations  1971 QS = 1974 LA = 1975 XD3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jun-20 10:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin