+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11259 Yingtungchen (1978 VD3) Classification: Main-belt Asteroid          SPK-ID: 2011259 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .00999847605666645 4.6117e-08   a 2.604569198717579 1.2477e-08 au q 2.57852747594627 1.1441e-07 au i 1.388882454264779 3.8129e-06 deg node 306.5478346090561 0.00014992 deg peri 208.8957943062613 0.0002411 deg M 226.546420841897 0.00019161 deg tp 2459569.654275279363 (2021-Dec-21.15427528) 0.00081859 TDB period 1535.331913862198 4.20 1.1032e-05 3.02e-08 d yr n .2344769862136218 1.6849e-09 deg/d Q 2.630610921488887 1.2602e-08 au   Orbit Determination Parameters    # obs. used (total)      1343      data-arc span      14916 days (40.84 yr)      first obs. used      1978-11-05      last obs. used      2019-09-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50906      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 01:09:13   Additional Information  Earth MOID = 1.58417 au   Jupiter MOID = 2.33446 au   T_jup = 3.412  [ 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 14.7   n/a MPO435805   11259 Yingtungchen           Discovered 1978 Nov. 7 by E. F. Helin and S. J. Bus at Palomar. Ying-Tung "Charles" Chen (b. 1981) is a post-doctoral fellow at the Academia Sinica Institute of Astronomy and Astrophysics (Taiwan) where he uses data from large surveys to study outer solar system objects. 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 2017-03-12 Last Updated: 2017-04-19 [ show close-approach data ] Alternate Designations  1978 VD3 = 1994 RP16  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-23 22:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin