+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1038 Tuckia (A924 WO) Classification: Outer Main-belt Asteroid          SPK-ID: 2001038 [ 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 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2211990134611842 3.7279e-08   a 3.983671793179463 2.5859e-08 au q 3.102487522575019 1.4623e-07 au i 9.182332250188578 4.2857e-06 deg node 57.75554907315779 2.4649e-05 deg peri 304.9494019247501 2.6089e-05 deg M 104.9225420115364 9.3111e-06 deg tp 2458154.071932967395 (2018-Feb-04.57193297) 7.2033e-05 TDB period 2904.181487503743 7.95 2.8277e-05 7.742e-08 d yr n .1239591952324694 1.207e-09 deg/d Q 4.864856063783907 3.1579e-08 au   Orbit Determination Parameters    # obs. used (total)      2491      data-arc span      35054 days (95.97 yr)      first obs. used      1924-11-24      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .41994      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:57:52   Additional Information  Earth MOID = 2.11312 au   Jupiter MOID = .762447 au   T_jup = 2.991  [ 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 10.6   n/a MPO502163   diameter diameter 58.3 km n/a DASTCOM value unverified rotation period rot_per 18.020 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: [Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 294-297.] geometric albedo albedo 0.0244   0.006 EAR-A-5-DDR-ALBEDOS-V1.0:IMPS IMPS quality code 2: from the PDS IMPS singleton file B-V BV 0.768   0.055 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.84 deg. U-B UB 0.232   0.083 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.84 deg. Tholen spectral type spec_T DTU:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo 1038 Tuckia (A924 WO)          Discovered 1924-Nov-24 by Wolf, M. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A924 WO = 1932 VA  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-15 22:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin