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15227 (1986 VA)
Classification: Main-belt Asteroid          SPK-ID: 2015227
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .10038020119239 4.0145e-08  
a 3.024731086442031 1.5063e-08 au
q 2.721107971432104 1.2511e-07 au
i 8.848526014179177 3.4094e-06 deg
node 271.9698901280486 2.7209e-05 deg
peri 61.23800139349503 3.1771e-05 deg
M 261.5308834231666 1.8669e-05 deg
tp 2459922.064620886616
(2022-Dec-08.56462089)
0.00010109 TDB
period 1921.447760441219
5.26
1.4353e-05
3.93e-08
d
yr
n .187358723672682 1.3996e-09 deg/d
Q 3.328354201451959 1.6575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2155  
   data-arc span      12653 days (34.64 yr)  
   first obs. used      1986-11-04  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48757  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 03:46:04  

Additional Information
 Earth MOID = 1.72317 au 
 Jupiter MOID = 1.99433 au 
 T_jup = 3.219 
[ 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 13.13   n/a MPO614063  
diameter diameter 8.469 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.205   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15227 (1986 VA)          Discovered 1986-Nov-04 by McNaught, R. H. at Siding Spring
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1986 VA = 1997 WJ53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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