+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   4265 Kani (1989 TX) Classification: Main-belt Asteroid          SPK-ID: 2004265 [ 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 39 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1992468364933953 1.7361e-08   a 2.428794389045761 5.688e-09 au q 1.944864790535484 4.2837e-08 au i 4.358054988346534 4.9546e-07 deg node 127.1408404651155 7.4108e-06 deg peri 243.1425964977065 9.4574e-06 deg M 92.70106947267995 4.4649e-06 deg tp 2458844.486229216736 (2019-Dec-26.98622922) 1.6721e-05 TDB period 1382.561800106811 3.79 4.8567e-06 1.33e-08 d yr n .260386190311484 9.1469e-10 deg/d Q 2.912723987556038 6.8213e-09 au   Orbit Determination Parameters    # obs. used (total)      3063      data-arc span      29325 days (80.29 yr)      first obs. used      1940-11-29      last obs. used      2021-03-14      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .46545      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 16:07:54   Additional Information  Earth MOID = .947424 au   Jupiter MOID = 2.5568 au   T_jup = 3.478  [ 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 13.1   n/a MPO502194   diameter diameter 14.244 km 0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 5.7279 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm] [Miles, R.; Warner, B.D. (2009) Minor Planet Bull. 36, 66-68.] [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] geometric albedo albedo 0.056   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   SMASSII spectral type spec_B C   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) 4265 Kani (1989 TX)          Discovered 1989-Oct-08 by Mizuno and Furuta at Kani Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1989 TX = 1940 WM = 1955 VJ = 1974 VH2 = 1983 AP1 = A917 TB  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-19 20:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin