+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14501 Tetsuokojima (1995 WA8) Classification: Main-belt Asteroid          SPK-ID: 2014501 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1447313324192077 3.0304e-08   a 2.205704793235228 6.9509e-09 au q 1.886470199586861 6.6871e-08 au i 5.293148401968525 3.8805e-06 deg node .4689804230197052 3.7801e-05 deg peri 39.53840687907788 4.0515e-05 deg M 259.4000405613407 1.6773e-05 deg tp 2459534.860381555573 (2021-Nov-16.36038156) 5.6635e-05 TDB period 1196.518746445434 3.28 5.6559e-06 1.549e-08 d yr n .3008728455525435 1.4222e-09 deg/d Q 2.524939386883596 7.9569e-09 au   Orbit Determination Parameters    # obs. used (total)      1263      data-arc span      11634 days (31.85 yr)      first obs. used      1988-08-16      last obs. used      2020-06-23      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49975      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:31:09   Additional Information  Earth MOID = .896192 au   Jupiter MOID = 2.8832 au   T_jup = 3.642  [ 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 15.21   n/a E2020-QM5   diameter diameter 2.457 km 0.394 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.293   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14501 Tetsuokojima           Discovered 1995 Nov. 29 by T. Kobayashi at Oizumi. Tetsuo Kojima (b. 1945) is a Japanese amateur astronomer and an active member of Ota Astronomical Club. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20060219/MPCPages.arc Last Updated: 2010-06-03 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jun-17 00:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin