+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1996 Adams (1961 UA) Classification: Main-belt Asteroid          SPK-ID: 2001996 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 38 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1387259858410512 4.039e-08   a 2.558475319010515 8.0362e-09 au q 2.203548308130783 1.0451e-07 au i 15.13253654336786 3.9725e-06 deg node 1.064963097998341 1.1798e-05 deg peri 355.2093118871755 1.6494e-05 deg M 188.7723431640086 1.1575e-05 deg tp 2459911.454303518900 (2022-Nov-27.95430352) 4.9362e-05 TDB period 1494.755893973116 4.09 7.0425e-06 1.928e-08 d yr n .2408420006581187 1.1347e-09 deg/d Q 2.913402329890246 9.151e-09 au   Orbit Determination Parameters    # obs. used (total)      3676      data-arc span      21652 days (59.28 yr)      first obs. used      1961-10-06      last obs. used      2021-01-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .34136      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:59:41   Additional Information  Earth MOID = 1.19837 au   Jupiter MOID = 2.53381 au   T_jup = 3.374  [ 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 11.69   n/a E2021B10   diameter diameter 12.417 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 3.311 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Ambrosioni, C.; Colazo, C.; Mazzone, F. (2011) Minor Planet Bull. 38, 102.] [Aymami, J.M. (2011) Minor Planet Bull. 38, 55-56.] [Aznar, A. (2011) http://www.apt.com.es/web/index.php?option=com_content=article=56%3 Aanalisis-de-asteroides=38%3Aanalisis-de-asteroides=55] [Durkee, R.I. (2011) Minor Planet Bull. 38, 39-40.] [Mazzone, F. (2011) www.aoacm.com.ar/index.php?option=com_content=category=blog=73=91] [Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.] [Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.] geometric albedo albedo 0.183   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   1996 Adams (1961 UA)          Discovered 1961-Oct-16 by Goethe Link Observatory at Brooklyn Discovered by the Indiana Asteroid Program, Goethe Link Observatory, University of Indiana. This program was conceived and directed by F. K. Edmondson; the plates were blinked and measured astrometrically by B. Potter and, following her retirement, by D. Owings; and the photometry was performed under the direction of T. Gehrels. During the years 1947-1967, in which the plates were exposed, a large number of people participated in various aspects of the program. Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1961 UA = 1932 RM = 1961 TB2 = 1969 TW2 = 1971 BY1 = 1973 SJ3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-08 16:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin