+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1628880479983319 2.0401e-08   a 2.761947169092666 1.2404e-08 au q 2.312058986044643 6.0951e-08 au i 35.82231206117765 9.7011e-07 deg node 223.1890191233659 1.4986e-06 deg peri 176.4309608581245 5.915e-06 deg M 276.578854462622 8.6115e-06 deg tp 2459589.003670243670 (2022-Jan-09.50367024) 4.1567e-05 TDB period 1676.569176637046 4.59 1.1295e-05 3.092e-08 d yr n .2147242147932767 1.4466e-09 deg/d Q 3.211835352140689 1.4425e-08 au   Orbit Determination Parameters    # obs. used (total)      1901      data-arc span      14634 days (40.07 yr)      first obs. used      1980-10-18      last obs. used      2020-11-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .41005      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 17:18:04   Additional Information  Earth MOID = 1.32032 au   Jupiter MOID = 2.21118 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 12.23   n/a E2021B10   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-Apr-16 16:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin