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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03470515528152462 0.00017856  
a 42.56354025503455 0.011298 au
q 41.08636598115215 0.018152 au
i 1.487209260253649 0.00027309 deg
node 72.3745423493218 0.0018173 deg
peri 124.11893895 0.24324 deg
M 259.9263273939303 0.23117 deg
tp 2486795.518229075013
(2096-Jul-06.01822907)
54.551 TDB
period 101427.34145895
277.69
40.383
0.1106
d
yr
n .00354933881556681 1.4132e-06 deg/d
Q 44.04071452891695 0.01169 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 = 40.0857 au 
 Jupiter MOID = 35.627 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-January); 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.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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