+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   635 Vundtia (A907 LA) Classification: Main-belt Asteroid          SPK-ID: 2000635 [ 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 88 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07757892981274793 3.3575e-08   a 3.140694343337212 1.4235e-08 au q 2.89704263731216 1.0935e-07 au i 11.00699151154558 4.1585e-06 deg node 182.8740911324795 1.9822e-05 deg peri 227.980652451943 3.405e-05 deg M 324.1995194274224 2.8871e-05 deg tp 2459202.673063097867 (2020-Dec-19.17306310) 0.00016336 TDB period 2032.997924921205 5.57 1.3822e-05 3.784e-08 d yr n .1770783902860859 1.2039e-09 deg/d Q 3.384346049362264 1.534e-08 au   Orbit Determination Parameters    # obs. used (total)      3282      data-arc span      41776 days (114.38 yr)      first obs. used      1906-03-20      last obs. used      2020-08-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42469      source      ORB      producer      Otto Matic      solution date      2020-Aug-24 22:19:24   Additional Information  Earth MOID = 1.91898 au   Jupiter MOID = 1.97846 au   T_jup = 3.177  [ 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 9.0   n/a MPO502159 IRAS observations used: 11 diameter diameter 94.415 km 0.501 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 11.790 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Warner, B.D. (2011) Minor Planet Bull. 38, 89-92.] [Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] [Shevchenko, V.G.; Belksaya, I.N.; Muinon, K.; Penttila, A.; et al. (2016) Plan. Space Sci. 123, 101-116.] geometric albedo albedo 0.034   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   B-V BV 0.675   0.035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=5.60, mean=13.29, max.=17.19) deg. U-B UB 0.336   0.027 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=5.60, mean=13.29, max.=17.19) deg. Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices 635 Vundtia (A907 LA)          Discovered 1907-Jun-09 by Lohnert, K. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A907 LA = 1945 GF = 1953 VV = A905 AC = A906 FC = A908 QA  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-26 08:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin