+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1124 Stroobantia (1928 TB) Classification: Main-belt Asteroid          SPK-ID: 2001124 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03022788389732669 4.0714e-08   a 2.927839793403772 1.2618e-08 au q 2.839337392058789 1.1782e-07 au i 7.790885773345662 5.3396e-06 deg node 22.2342517917148 3.1705e-05 deg peri 266.3391077867082 0.00010481 deg M 184.2247862587389 0.00010174 deg tp 2459893.958787298764 (2022-Nov-10.45878730) 0.00051798 TDB period 1829.866433278884 5.01 1.1829e-05 3.239e-08 d yr n .1967356706767534 1.2718e-09 deg/d Q 3.016342194748754 1.3e-08 au   Orbit Determination Parameters    # obs. used (total)      2469      data-arc span      34551 days (94.60 yr)      first obs. used      1926-04-01      last obs. used      2020-11-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .41899      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:58:30   Additional Information  Earth MOID = 1.83739 au   Jupiter MOID = 2.02727 au   T_jup = 3.263  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 10.8   n/a MPO502163 IRAS observations used: 9 diameter diameter 24.450 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 16.39 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong. Published Reference List: [Gil-Hutton, R. (1998) Rev. Mexicana Astron. Astrof. 34, 9-11.] [Behrend, R. (2016) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.108   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   B-V BV 0.702   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.74 deg. U-B UB 0.223   0.026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=7.74 deg. Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices 1124 Stroobantia (1928 TB)          Discovered 1928-Oct-06 by Delporte, E. at Uccle Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1928 TB = 1926 FC = 1930 BK = 1951 DJ  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-21 05:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin