+ 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 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1193377347651083 3.24e-08   a 2.251735627095277 6.6605e-09 au q 1.983018598067835 7.4182e-08 au i 6.136354672409134 4.1165e-06 deg node 67.11555534353114 3.8778e-05 deg peri 13.03902462732662 4.3604e-05 deg M 236.6458106563994 2.0732e-05 deg tp 2459819.388552071894 (2022-Aug-27.88855207) 7.1773e-05 TDB period 1234.168693872414 3.38 5.4759e-06 1.499e-08 d yr n .2916943216817783 1.2942e-09 deg/d Q 2.520452656122718 7.4553e-09 au   Orbit Determination Parameters    # obs. used (total)      1367      data-arc span      14485 days (39.66 yr)      first obs. used      1981-10-24      last obs. used      2021-06-21      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49387      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 06:42:57   Additional Information  Earth MOID = .99897 au   Jupiter MOID = 2.68723 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 15.02   n/a E2021B10   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-Jul-24 14:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin