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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492738364365656 4.8595e-08  
a 3.179105048529786 1.6834e-08 au
q 2.704547841500891 1.5691e-07 au
i 4.375481125004741 3.7658e-06 deg
node 301.3076413613811 6.5031e-05 deg
peri 74.80743250787894 6.6342e-05 deg
M 42.21342784295096 1.1876e-05 deg
tp 2458757.725055419795
(2019-Oct-01.22505542)
6.8601e-05 TDB
period 2070.407084068825
5.67
1.6445e-05
4.502e-08
d
yr
n .1738788486429042 1.3811e-09 deg/d
Q 3.653662255558682 1.9347e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1929  
   data-arc span      10588 days (28.99 yr)  
   first obs. used      1991-11-05  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49309  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:37:07  

Additional Information
 Earth MOID = 1.71006 au 
 Jupiter MOID = 1.85935 au 
 T_jup = 3.178 
[ 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 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

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