+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .009962816364949187 2.9666e-08   a 2.605107732265847 8.8683e-09 au q 2.579153522318373 7.8371e-08 au i 1.388888797093556 3.0329e-06 deg node 306.5491655181413 0.00013528 deg peri 207.7147873173687 0.00021782 deg M 274.6187613563263 0.00017205 deg tp 2459564.747776122528 (2021-Dec-16.24777612) 0.00073414 TDB period 1535.808117651688 4.20 7.8423e-06 2.147e-08 d yr n .2344042825808568 1.1969e-09 deg/d Q 2.631061942213321 8.9566e-09 au   Orbit Determination Parameters    # obs. used (total)      1642      data-arc span      15437 days (42.26 yr)      first obs. used      1978-11-05      last obs. used      2021-02-09      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48146      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 22:38:40   Additional Information  Earth MOID = 1.58446 au   Jupiter MOID = 2.33324 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 14.68   n/a E2021B10   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 ] 2021-Apr-19 19:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin