+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   30314 Yelenam (2000 JH14) Classification: Main-belt Asteroid          SPK-ID: 2030314 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1200739435273886 3.3806e-08   a 2.250374236465647 6.9318e-09 au q 1.980162927480781 7.7469e-08 au i 6.13924857880221 4.2622e-06 deg node 67.13448208501237 4.0486e-05 deg peri 13.09369783622706 4.5222e-05 deg M 120.9963843505569 2.0648e-05 deg tp 2458586.070712094421 (2019-Apr-12.57071209) 7.0181e-05 TDB period 1233.049602653864 3.38 5.6973e-06 1.56e-08 d yr n .291959057628485 1.349e-09 deg/d Q 2.520585545450513 7.7642e-09 au   Orbit Determination Parameters    # obs. used (total)      1273      data-arc span      14067 days (38.51 yr)      first obs. used      1981-10-24      last obs. used      2020-04-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50165      source      ORB      producer      Otto Matic      solution date      2020-May-20 06:47:27   Additional Information  Earth MOID = .996246 au   Jupiter MOID = 2.68744 au   T_jup = 3.610  [ 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 15.1   n/a MPO468096   diameter diameter 3.001 km 0.287 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.283   0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   30314 Yelenam           Discovered 2000 May 6 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Yelena Mandelshtam (b. 1997) is a finalist in the 2015 Intel Science Talent Search, a science competition for high school seniors, for her mathematics project. She attends the University High School, Irvine, California. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2015-06-02 Last Updated: 2015-06-04 Alternate Designations  2000 JH14 = 1981 UF27 = 1998 XY28  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-15 02:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin