+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   3684 Berry (1983 AK) Classification: Main-belt Asteroid          SPK-ID: 2003684 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 32 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1540528053086267 4.4589e-08   a 2.287454456668371 7.4308e-09 au q 1.935065680602887 1.0003e-07 au i 6.813284131763941 3.2401e-06 deg node 94.96001704309306 3.9771e-05 deg peri 67.73817968809944 4.138e-05 deg M 250.5217836696441 1.3525e-05 deg tp 2459384.784018193606 (2021-Jun-19.28401819) 4.8528e-05 TDB period 1263.650899574794 3.46 6.1575e-06 1.686e-08 d yr n .2848888091807131 1.3882e-09 deg/d Q 2.639843232733853 8.5756e-09 au   Orbit Determination Parameters    # obs. used (total)      1849      data-arc span      17813 days (48.77 yr)      first obs. used      1971-10-22      last obs. used      2020-07-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46098      source      ORB      producer      Otto Matic      solution date      2020-Aug-24 23:06:36   Additional Information  Earth MOID = .955671 au   Jupiter MOID = 2.36045 au   T_jup = 3.576  [ 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 13.9   n/a MPO448950   diameter diameter 12.37 km 1.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2 rotation period rot_per 11.9 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.0504   0.011 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2 SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 3684 Berry (1983 AK)          Discovered 1983-Jan-09 by Skiff, B. A. at Flagstaff (AM) Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory. Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1983 AK = 1952 DL1 = 1971 UE4 = 1973 FO1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-20 03:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin