+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1573103233185902 3.3606e-08   a 2.252271203711123 6.8975e-09 au q 1.897965692454175 7.5684e-08 au i 3.636284930912224 3.648e-06 deg node 302.1693052603873 5.4326e-05 deg peri 1.044683808928527 5.5408e-05 deg M 171.1977671323967 1.1322e-05 deg tp 2458413.382468852802 (2018-Oct-21.88246885) 3.8516e-05 TDB period 1234.609041656093 3.38 5.6714e-06 1.553e-08 d yr n .2915902831208003 1.3395e-09 deg/d Q 2.60657671496807 7.9826e-09 au   Orbit Determination Parameters    # obs. used (total)      2378      data-arc span      24245 days (66.38 yr)      first obs. used      1954-07-01      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .44864      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:04:13   Additional Information  Earth MOID = .882641 au   Jupiter MOID = 2.60888 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 13.3   n/a MPO358647   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-Jan-18 16:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin