+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2208 Pushkin (1977 QL3) Classification: Outer Main-belt Asteroid          SPK-ID: 2002208 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03062112099821626 3.331e-08   a 3.495443782621167 2.1438e-08 au q 3.388409375611062 1.1392e-07 au i 5.40249774239467 3.6515e-06 deg node 78.543428431831 4.4722e-05 deg peri 4.500899065732656 8.7993e-05 deg M 100.7914509850705 7.4331e-05 deg tp 2458332.197468782453 (2018-Aug-01.69746878) 0.00049369 TDB period 2386.997199533852 6.54 2.196e-05 6.012e-08 d yr n .1508171019514824 1.3875e-09 deg/d Q 3.602478189631273 2.2094e-08 au   Orbit Determination Parameters    # obs. used (total)      2681      data-arc span      19048 days (52.15 yr)      first obs. used      1968-04-22      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .43707      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 15:42:02   Additional Information  Earth MOID = 2.40431 au   Jupiter MOID = 1.50536 au   T_jup = 3.120  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 10.6   n/a MPO473794 IRAS observations used: 12 diameter diameter 40.850 km 0.235 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 8.405 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] geometric albedo albedo 0.044   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   B-V BV 0.753   0.024 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=2.07, mean=2.14, max.=2.22) deg. U-B UB 0.240   0.042 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=2.07, mean=2.14, max.=2.22) deg. Tholen spectral type spec_T D   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices 2208 Pushkin           Discovered 1977 Aug. 22 by N. S. Chernykh at the Crimean Astrophysical Observatory. Named for the great Russian poet Aleksandr Sergeevich Pushkin (1799-1837). NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC 5849 Last Updated: 2006-03-21 [ show close-approach data ] Alternate Designations  1977 QL3 = 1968 HU = 1971 SN3 = 1971 UG2 = 1973 AN3 = 1978 WJ14  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-20 02:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin