+ View the NASA Portal + Near-Earth Object (NEO) Project Search JPL JPL Small-Body Database Browser Search: [ help ]   69230 Hermes (1937 UB) Classification: Apollo [NEO, PHA]          SPK-ID: 2069230 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2455200.5 (2010-Jan-04.0) TDB Reference: JPL 78 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6239811554097445 2.1243e-08   a 1.655536766889152 2.8324e-09 AU q .6225130222623461 3.6226e-08 AU i 6.068260069935845 9.2559e-06 deg node 34.27858833328312 9.5788e-06 deg peri 92.7034558450322 9.3369e-06 deg M 299.791684825428 2.876e-06 deg tp 2455330.624971020244 (2010-May-14.12497103) 6.5492e-06 JED period 778.0485042881926 2.13 1.9967e-06 5.467e-09 d yr n .46269608901742 1.1874e-09 deg/d Q 2.688560511515958 4.5997e-09 AU   Orbit Determination Parameters    # obs. used (total)      776      # delay obs. used      3      # Doppler obs. used      3      data-arc span      25783 days (70.59 yr)      first obs. used      1937-10-25      last obs. used      2008-05-28      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      quality code      0      fit RMS      .42319      data source      ORB      producer      Otto Matic      solution date      2008-May-29 00:50:11   Additional Information  Earth MOID = .00410781 AU   T_jup = 4.020  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 17.478 mag .46386 78 autocmod 2.4a rotation period rot_per 13.894 h n/a IAU Lightcurve Data (A.W. Harris, E-mail Mar. 2006) Suspected binary object, based on a second periodicity in the lightcurve data. Secondary presumed in synchronous orbit. Published Reference List: [Margot, J.-L., Nolan, M. C., Negron, V., Hine, A. A., Campbell, D. B., Howell, E. S., Benner, L. A. M., Ostro, S. J., Giorgini, J. D., Marsden, B. G.: 2003, IAUC 8227. (1937 UB)] [Pravec, P., plus fifteen co-authors: 2003, IAUC 8233. (1937 UB)] [Behrend, R.: 2006, Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Rivkin, A. S., Binzel, R. P., Sunshine, J., Bus, S. J., Burbine, T. H., Saxena, A.: 2004, Icarus 172, 408-414.] [Pravec, P., plus 56 co-authors: 2006, Icarus 181, 63-93.] 69230 Hermes           Discovered 1937 Oct. 28 by K. Reinmuth at Heidelberg. Hermes was the messenger of the gods, son of Zeus and Maia. His attributes are the most complex and varied of those of any of the major gods. He was a deity of wealth, god of trade and travelers, of commerce, manual skill, oratory and eloquence, of thieves and of the wind. Named by the Astronomisches Rechen-Institut. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20031110/MPCPages.arc Last Updated: 2003-11-12 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2010-Feb-10 08:14 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin