+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19255 (1994 VK8) Classification: TransNeptunian Object          SPK-ID: 2019255 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 7 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03221706239179922 0.00017822   a 42.58846210427789 0.011341 au q 41.21638696349359 0.018208 au i 1.485500050713453 0.00027273 deg node 72.34811966131375 0.0018207 deg peri 123.786859505144 0.26364 deg M 262.1368224688162 0.25068 deg tp 2486796.947290196284 (2096-Jul-07.44729020) 60.262 TDB period 101516.4362643446 277.94 40.548 0.111 d yr n .003546223776636276 1.4164e-06 deg/d Q 43.96053724506218 0.011706 au   Orbit Determination Parameters    # obs. used (total)      66      data-arc span      7347 days (20.11 yr)      first obs. used      1995-12-24      last obs. used      2016-02-04      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      4      norm. resid. RMS      .64148      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:49:55   Additional Information  Earth MOID = 40.2148 au   Jupiter MOID = 35.7526 au   T_jup = 5.839  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 7.0   n/a PDS3 (MPO 6493)   rotation period rot_per 4.7 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Romanishin, W.; Tegler, S.C. (1999) Nature 398, 129-132.] 19255 (1994 VK8)          Discovered 1994-Nov-08 by Fitzsimmons, A., O'Ceallaigh, D., Williams, I. P. at La Palma Reference: 20001211/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2021-Apr-23 09:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin