+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   453 Tea (A900 DD) Classification: Main-belt Asteroid          SPK-ID: 2000453 [ 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 77 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1090832372825392 3.2038e-08   a 2.183506253848783 4.9804e-09 au q 1.945322323052288 6.991e-08 au i 5.549791221591471 3.8905e-06 deg node 11.70410532984543 4.144e-05 deg peri 220.7296420269802 4.6633e-05 deg M 26.15201535176598 2.1599e-05 deg tp 2458914.888373360561 (2020-Mar-06.38837336) 7.0737e-05 TDB period 1178.50135737691 3.23 4.0321e-06 1.104e-08 d yr n .305472707134833 1.0451e-09 deg/d Q 2.421690184645279 5.5237e-09 au   Orbit Determination Parameters    # obs. used (total)      3083      data-arc span      44091 days (120.71 yr)      first obs. used      1900-02-22      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4134      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:53:46   Additional Information  Earth MOID = .938906 au   Jupiter MOID = 2.57061 au   T_jup = 3.665  [ 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 10.5   n/a MPO365247   diameter diameter 23.985 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 6.812 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Licchelli, D. (2006) Minor Planet Bull. 33, 105-106.] [Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.] [Fauvaud, S.; Fauvaud, M. (2013) Minor Planet Bull. 40, 224-229.] [Stephens, R.D. (2015) Minor Planet Bull. 42, 104-106.] geometric albedo albedo 0.137   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a medium resolution spectrum published by Chapman and Gaffey (1979) 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) 453 Tea (A900 DD)          Discovered 1900-Feb-22 by Charlois, A. at Nice Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2028-Jul-09 05:22 00:01 Amphi 0.0465622726846861 0.04656132601693 0.0465632193531723 2.12671579618481 2.12671573813118 2461961.723463453 1.42487561529869 49.1797457498734 36.15173560059 -25.0784732933271 151799.289174871 T 77 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:54 2020-Dec-18 01:53 2140-Jul-16 11:16 < 00:01 Juno 0.0436146593077809 0.0436086069789696 0.0436207120712926 8.87447337213015 8.87447334069823 2502875.969316383 0.162412166373748 372.14492600261 24.5631781309194 -35.9117757233093 156411.086994832 T 77 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:54 2020-Dec-18 01:53 Alternate Designations  A900 DD = 1969 QC = A901 QA  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 01:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin