+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   5234 Sechenov (1989 VP) Classification: Main-belt Asteroid          SPK-ID: 2005234 [ 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 .1630014776485661 4.6451e-08   a 2.761410008455326 1.3338e-08 au q 2.311296096683568 1.2793e-07 au i 35.83310244350763 5.6692e-06 deg node 223.2160868357384 6.9339e-06 deg peri 176.473366587283 1.533e-05 deg M 233.5658189422666 1.5465e-05 deg tp 2459589.149484250377 (2022-Jan-09.64948425) 7.4522e-05 TDB period 1676.080096041195 4.59 1.2144e-05 3.325e-08 d yr n .2147868713734501 1.5562e-09 deg/d Q 3.211523920227084 1.5512e-08 au   Orbit Determination Parameters    # obs. used (total)      1862      data-arc span      14634 days (40.07 yr)      first obs. used      1980-10-18      last obs. used      2020-11-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .40501      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:21:21   Additional Information  Earth MOID = 1.32051 au   Jupiter MOID = 2.21027 au   T_jup = 3.050  [ 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 12.2   n/a MPO473839   diameter diameter 14.125 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 12.0884 h n/a LCDB (Rev. 2020-October); 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: [Ditteon, R.; Hirsch, B.; Kirkpatrick, E.; Kramb, S.; et al. (2004) Minor Planet Bull. 31, 54-56.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.154   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   SMASSII spectral type spec_B B   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 5234 Sechenov (1989 VP)          Discovered 1989-Nov-04 by Karachkina, L. G. at Nauchnyj Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1989 VP = 1980 UA1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-27 01:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin