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13487 (1981 VN)
Classification: Main-belt Asteroid          SPK-ID: 2013487
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106654999432635 4.5649e-08  
a 2.621161187858966 1.0066e-08 au
q 2.341601242855023 1.2107e-07 au
i 15.92502004514823 5.6757e-06 deg
node 39.7466647141494 1.3241e-05 deg
peri 17.32074001264985 2.6197e-05 deg
M 19.0099519546901 2.1279e-05 deg
tp 2458918.650215879758
(2020-Mar-10.15021588)
9.158e-05 TDB
period 1550.026131234765
4.24
8.9291e-06
2.445e-08
d
yr
n .2322541489756826 1.3379e-09 deg/d
Q 2.900721132862909 1.114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1858  
   data-arc span      13955 days (38.21 yr)  
   first obs. used      1981-10-23  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42521  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:08:33  

Additional Information
 Earth MOID = 1.35592 au 
 Jupiter MOID = 2.51096 au 
 T_jup = 3.342 
[ 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 MPO502271  
diameter diameter 8.892 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.223   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

13487 (1981 VN)          Discovered 1981-Nov-02 by Skiff, B. A. at Anderson Mesa
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 VN = 1992 HF5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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