+ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1200739431768016 3.2944e-08   a 2.250374236497713 6.728e-09 au q 1.980162928297948 7.5219e-08 au i 6.139248607814165 4.2409e-06 deg node 67.13448402390721 3.9702e-05 deg peri 13.09369590055736 4.4523e-05 deg M 120.9963843132403 2.0647e-05 deg tp 2458586.070712213378 (2019-Apr-12.57071221) 7.0178e-05 TDB period 1233.049602680219 3.38 5.5297e-06 1.514e-08 d yr n .2919590576222447 1.3093e-09 deg/d Q 2.520585544697477 7.5358e-09 au   Orbit Determination Parameters    # obs. used (total)      1338      data-arc span      14123 days (38.67 yr)      first obs. used      1981-10-24      last obs. used      2020-06-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49595      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:06:54   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 ] 2021-Jan-28 09:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin