+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   565 Marbachia (A905 JE) Classification: Main-belt Asteroid          SPK-ID: 2000565 [ 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 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1296345892480006 3.479e-08   a 2.444674694670344 6.3234e-09 au q 2.127760294781773 8.4602e-08 au i 10.99056233915297 3.5252e-06 deg node 225.7846777907436 1.9486e-05 deg peri 292.0690504129348 2.3393e-05 deg M 113.7664229691736 1.3512e-05 deg tp 2458559.293761095671 (2019-Mar-16.79376110) 5.2164e-05 TDB period 1396.143447778055 3.82 5.4169e-06 1.483e-08 d yr n .2578531601268734 1.0004e-09 deg/d Q 2.761589094558915 7.1431e-09 au   Orbit Determination Parameters    # obs. used (total)      3060      data-arc span      42176 days (115.47 yr)      first obs. used      1905-05-10      last obs. used      2020-10-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .40853      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 04:28:14   Additional Information  Earth MOID = 1.16255 au   Jupiter MOID = 2.30348 au   T_jup = 3.463  [ 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 10.9   n/a MPO473769 IRAS observations used: 13 diameter diameter 27.332 km 0.399 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 4.587 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Koff, R.A.; Brincat, S.F. (2000) Minor Planet Bull. 27, 49-51.] [Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Licchelli, D. (2006) Minor Planet Bull. 33, 11-13.] [Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] [Aznar Macias, A. (2017) Minor Planet Bull. 44, 60-63.] geometric albedo albedo 0.105   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   B-V BV 0.811   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=8.79, mean=13.09, max.=15.60) deg. U-B UB 0.422   0.046 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=8.79, mean=13.09, max.=15.60) deg. Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices 565 Marbachia (A905 JE)          Discovered 1905-May-09 by Wolf, M. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A905 JE = 1947 LE = 1949 WK = A912 DA  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Dec-04 18:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin