+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3322 Lidiya (1975 XY1) Classification: Main-belt Asteroid          SPK-ID: 2003322 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2176105886718488 3.2853e-08   a 2.391188808692673 9.5661e-09 au q 1.870840804407524 8.159e-08 au i 23.49235471141149 3.3631e-06 deg node 250.7412112934086 9.9106e-06 deg peri 224.1299104667616 1.3217e-05 deg M 339.5904516674819 1.1161e-05 deg tp 2459077.068497327280 (2020-Aug-15.56849733) 4.2096e-05 TDB period 1350.576631522157 3.70 8.1046e-06 2.219e-08 d yr n .2665528127746923 1.5995e-09 deg/d Q 2.911536812977823 1.1648e-08 au   Orbit Determination Parameters    # obs. used (total)      1871      data-arc span      16162 days (44.25 yr)      first obs. used      1975-11-06      last obs. used      2020-02-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .37925      source      ORB      producer      Otto Matic      solution date      2020-Feb-22 16:44:18   Additional Information  Earth MOID = .934864 au   Jupiter MOID = 2.44837 au   T_jup = 3.390  [ 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 MPO502185   diameter diameter 6.388 km 0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 710. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong. Published Reference List: [Buchheim, R.K. (2014) Minor Planet Bull. 41, 241-243.] geometric albedo albedo 0.369   0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)   3322 Lidiya (1975 XY1)          Discovered 1975-Dec-01 by Smirnova, T. at Nauchnyj Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1975 XY1 = 1975 VJ6  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-30 09:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin