+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1297 Quadea (1934 AD) Classification: Main-belt Asteroid          SPK-ID: 2001297 [ 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 .06979962548231258 3.2427e-08   a 3.025319296779464 1.3394e-08 au q 2.814153142899844 9.6743e-08 au i 9.007187933861887 3.9333e-06 deg node 295.898831324547 2.4175e-05 deg peri 123.4702297783551 3.8738e-05 deg M 218.5592883421276 3.1268e-05 deg tp 2459755.639495047669 (2022-Jun-25.13949505) 0.00016887 TDB period 1922.008274921106 5.26 1.2764e-05 3.495e-08 d yr n .1873040843254315 1.2439e-09 deg/d Q 3.236485450659083 1.4329e-08 au   Orbit Determination Parameters    # obs. used (total)      2586      data-arc span      33977 days (93.02 yr)      first obs. used      1927-11-02      last obs. used      2020-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .389      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:59:39   Additional Information  Earth MOID = 1.83974 au   Jupiter MOID = 2.00347 au   T_jup = 3.222  [ 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 10.9   n/a MPO337255   diameter diameter 22.420 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 6.267 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Oliver, R.L.; Shipley, H.; Ditteon, R. (2008) Minor Planet Bull. 35, 149-150.] [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Warner, B.D. (2017) Minor Planet Bull. 44, 116-120.] [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.] geometric albedo albedo 0.200   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   1297 Quadea (1934 AD)          Discovered 1934-Jan-07 by Reinmuth, K. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1934 AD = 1927 VB = 1929 CA1 = 1929 EJ  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-17 11:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin