+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0331393958837967 0.0001801   a 42.55860024446864 0.011314 au q 41.14823394270694 0.01826 au i 1.486061945999885 0.00027291 deg node 72.35766405627199 0.0018192 deg peri 124.79150674 0.25184 deg M 260.5045953892229 0.23934 deg tp 2487027.715440874079 (2097-Feb-23.21544087) 56.917 TDB period 101409.684177733 277.64 40.439 0.1107 d yr n .003549956820386657 1.4156e-06 deg/d Q 43.96896654623033 0.011689 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.      DE431      SB-pert. ephem.      SB431-N16      condition code      4      norm. resid. RMS      .64147      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 00:06:01   Additional Information  Earth MOID = 40.147 au   Jupiter MOID = 35.6858 au   T_jup = 5.837  [ 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 9. h n/a LCDB (Rev. 2019-August); 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 ] 2020-Oct-22 12:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin