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14891 (1991 VY4)
Classification: Main-belt Asteroid          SPK-ID: 2014891
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1507699610480984 3.2792e-08  
a 2.459725572287692 7.7772e-09 au
q 2.088872843564865 8.1164e-08 au
i 3.732409232041825 2.9233e-06 deg
node 98.40390556457507 7.6679e-05 deg
peri 334.0412901732842 7.8977e-05 deg
M 126.4135578886178 1.7882e-05 deg
tp 2458505.711536413979
(2019-Jan-22.21153641)
6.9909e-05 TDB
period 1409.056511548481
3.86
6.6828e-06
1.83e-08
d
yr
n .2554901077774223 1.2117e-09 deg/d
Q 2.830578301010518 8.9498e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1978  
   data-arc span      10318 days (28.25 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50083  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:06:28  

Additional Information
 Earth MOID = 1.10443 au 
 Jupiter MOID = 2.42769 au 
 T_jup = 3.472 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO319270  
diameter diameter 8.026 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14891 (1991 VY4)          Discovered 1991-Nov-05 by Otomo, S. at Kiyosato
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 VY4 = 1997 GC42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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