+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1340 Yvette (1934 YA) Classification: Main-belt Asteroid          SPK-ID: 2001340 [ 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 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1277818501942261 3.5228e-08   a 3.184881553701308 1.4735e-08 au q 2.777911496119893 1.1528e-07 au i .4156399374636247 3.8242e-06 deg node 345.6048181348527 0.00047048 deg peri 224.5776616412168 0.00047071 deg M 296.6372569122129 1.6928e-05 deg tp 2459365.901078374387 (2021-May-31.40107837) 9.8763e-05 TDB period 2076.052610798885 5.68 1.4407e-05 3.944e-08 d yr n .1734060101017712 1.2034e-09 deg/d Q 3.591851611282722 1.6618e-08 au   Orbit Determination Parameters    # obs. used (total)      3148      data-arc span      31371 days (85.89 yr)      first obs. used      1934-12-27      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45266      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:59:55   Additional Information  Earth MOID = 1.77256 au   Jupiter MOID = 1.37474 au   T_jup = 3.186  [ 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 11.2   n/a MPO502166 IRAS observations used: 3 diameter diameter 29.451 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 3.525 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: [Alvarez-Candal, A.; Duffard, R.; Angeli, C.A.; Lazzaro, D.; Fernandez, S. (2004) Icarus 172, 388-401.] [Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] geometric albedo albedo 0.095   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   1340 Yvette (1934 YA)          Discovered 1934-Dec-27 by Boyer, L. at Algiers Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1934 YA = 1930 DO = 1942 GW  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 06:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin