+ 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 ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .009989865172650662 2.9627e-08   a 2.605562468789258 8.8836e-09 au q 2.579533251027135 7.8295e-08 au i 1.388783799509839 3.0312e-06 deg node 306.5520666667413 0.00013517 deg peri 206.6695259088138 0.00021738 deg M 321.5915097210889 0.00017158 deg tp 2459560.398658031183 (2021-Dec-11.89865803) 0.00073223 TDB period 1536.21026139689 4.21 7.8565e-06 2.151e-08 d yr n .234342921048222 1.1985e-09 deg/d Q 2.631591686551381 8.9723e-09 au   Orbit Determination Parameters    # obs. used (total)      1647      data-arc span      15490 days (42.41 yr)      first obs. used      1978-11-05      last obs. used      2021-04-03      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48355      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 16:32:08   Additional Information  Earth MOID = 1.58658 au   Jupiter MOID = 2.3321 au   T_jup = 3.412  [ 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 14.69   n/a MPCxxxxx   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 Alternate Designations  1978 VD3 = 1994 RP16  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Aug-03 18:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin