+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   7968 Elst-Pizarro (1996 N2) Classification: Main-belt Asteroid          SPK-ID: 2007968 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 66 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1570764197357273 3.8782e-08   a 3.164220907147701 1.9785e-08 au q 2.667196415800005 1.213e-07 au i 1.389099965850875 5.6291e-06 deg node 160.117316959181 0.00019063 deg peri 131.7729399714523 0.00019162 deg M 143.1178226400569 2.1595e-05 deg tp 2458383.184302582037 (2018-Sep-21.68430258) 0.00011892 TDB period 2055.884065609828 5.63 1.9283e-05 5.279e-08 d yr n .1751071502629769 1.6424e-09 deg/d Q 3.661245398495397 2.2893e-08 au   Orbit Determination Parameters    # obs. used (total)      844      data-arc span      14706 days (40.26 yr)      first obs. used      1979-07-24      last obs. used      2019-10-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51696      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 03:24:17   Additional Information  Earth MOID = 1.64931 au   Jupiter MOID = 1.52714 au   T_jup = 3.184  [ 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 15.6   n/a MPO452282   diameter diameter 3.200 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[ambos] (http://adsabs.harvard.edu/abs/2012ApJ...747...49B)   rotation period rot_per 3.471 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Hsieh, H.H.; Jewitt, D.C.; Fernandez, Y.R. (2004) Astron. J. 127, 2997-3017.] geometric albedo albedo 0.060   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[ambos] (http://adsabs.harvard.edu/abs/2012ApJ...747...49B)   7968 Elst-Pizarro (1996 N2)          Discovered 1996-Jul-14 by Elst, E. W., Pizarro, G. at La Silla Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1996 N2 = 133P = 1979 OW7  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-05 11:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin