+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3040 Kozai (1979 BA) Classification: Mars-crossing Asteroid          SPK-ID: 2003040 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2001180722830461 2.7725e-08   a 1.840599965827512 3.6933e-09 au q 1.47226264882187 5.1671e-08 au i 46.65073710296443 6.2189e-06 deg node 143.4920834304301 4.4694e-06 deg peri 290.216229873809 1.8325e-05 deg M 326.97766140486 1.9437e-05 deg tp 2459284.164817234764 (2021-Mar-10.66481723) 4.9278e-05 TDB period 912.0896788620506 2.50 2.7452e-06 7.516e-09 d yr n .3946980306247368 1.188e-09 deg/d Q 2.208937282833154 4.4324e-09 au   Orbit Determination Parameters    # obs. used (total)      2302      data-arc span      15333 days (41.98 yr)      first obs. used      1979-01-23      last obs. used      2021-01-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .40861      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 01:07:29   Additional Information  Earth MOID = .639114 au   Jupiter MOID = 3.11784 au   T_jup = 3.627  [ 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 13.86   n/a E2020-QM5   diameter diameter 3.377 km 0.659 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   rotation period rot_per 4.518 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Kluwak, T. (2019) EPSC-DPS Joint Meeting, Geneva, Switzerland. id. EPSC-DPS2019-1477.] [Polakis, T. (2019) Minor Planet Bull. 46, 287-292.] [Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm] [Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46, 458-503.] [Stephens, R. D.; Warner, B. D. (2019) MPB 46, 298-301.] geometric albedo albedo 0.479   0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)   SMASSII spectral type spec_B S   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) 3040 Kozai (1979 BA)          Discovered 1979-Jan-23 by Liller, W. at Cerro Tololo Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-24 21:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin