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14889 (1991 VX2)
Classification: Main-belt Asteroid          SPK-ID: 2014889
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492738247825469 5.1658e-08  
a 3.179105051700743 1.7501e-08 au
q 2.704547881247856 1.6791e-07 au
i 4.375481879218752 3.8459e-06 deg
node 301.3076593507931 6.9229e-05 deg
peri 74.80741410609421 7.0452e-05 deg
M 42.21342771895522 1.1904e-05 deg
tp 2458757.725055769682
(2019-Oct-01.22505577)
6.878e-05 TDB
period 2070.407087166476
5.67
1.7097e-05
4.681e-08
d
yr
n .1738788483827545 1.4358e-09 deg/d
Q 3.653662222153629 2.0114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1800  
   data-arc span      10319 days (28.25 yr)  
   first obs. used      1991-11-05  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:06:28  

Additional Information
 Earth MOID = 1.71006 au 
 Jupiter MOID = 1.85935 au 
 T_jup = 3.178 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456844.5 (2014-Jul-06.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464016376751615 5.1352e-08  
q 2.713581968452774 1.6589e-07 au
tp 2456665.736105691114
(2014-Jan-08.23610569)
7.6512e-05 TDB
node 302.1292553163927 6.8462e-05 deg
peri 71.07943808839842 6.9888e-05 deg
i 4.40180722710806 3.8735e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1800  
   data-arc span      10319 days (28.25 yr)  
   first obs. used      1991-11-05  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49996  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:06:28  

Additional Information
 Jupiter MOID = 1.85935 au 
 T_jup = 3.178 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.63703850258323E-15 -8.488097260923886E-15 -3.36967715257147E-13 -3.556708079303546E-15 -1.095398419788851E-13 -2.559308142892557E-15
q -8.488097260923886E-15 2.752084035827534E-14 7.386424620451855E-13 1.095384120389415E-14 2.970954884551307E-13 9.316514420078815E-15
tp -3.36967715257147E-13 7.386424620451855E-13 5.854075344619322E-9 -4.12054200565963E-11 1.134141473422144E-9 -3.09679148289329E-13
node -3.556708079303546E-15 1.095384120389415E-14 -4.12054200565963E-11 4.68701899736134E-9 -4.678472187545498E-9 7.199944800334871E-11
peri -1.095398419788851E-13 2.970954884551307E-13 1.134141473422144E-9 -4.678472187545498E-9 4.884273789287284E-9 -7.181653274445956E-11
i -2.559308142892557E-15 9.316514420078815E-15 -3.09679148289329E-13 7.199944800334871E-11 -7.181653274445956E-11 1.500436261447159E-11

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 12.8   n/a MPO416869  
diameter diameter 14.173 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 16.096 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.080   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14889 (1991 VX2)          Discovered 1991-Nov-05 by Sugie, A. at Dynic
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 VX2 = 1993 BS14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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