+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2176122287232845 3.1968e-08   a 2.39118698339866 9.3697e-09 au q 1.87083545464717 7.9189e-08 au i 23.49129725785664 3.3355e-06 deg node 250.7379140677944 9.888e-06 deg peri 224.1087869223058 1.3156e-05 deg M 32.91622138376689 1.1041e-05 deg tp 2459077.011587510004 (2020-Aug-15.51158751) 4.1077e-05 TDB period 1350.575085095358 3.70 7.9382e-06 2.173e-08 d yr n .2665531179812798 1.5667e-09 deg/d Q 2.91153851215015 1.1409e-08 au   Orbit Determination Parameters    # obs. used (total)      1998      data-arc span      16512 days (45.21 yr)      first obs. used      1975-11-06      last obs. used      2021-01-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .37621      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 01:09:40   Additional Information  Earth MOID = .934574 au   Jupiter MOID = 2.44862 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 12.84   n/a E2021B10   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. 2020-October); 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 ] 2021-Mar-05 16:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin