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JPL Small-Body Database Browser
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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1066550000329074 4.5644e-08  
a 2.621161187847367 1.0036e-08 au
q 2.34160124127125 1.2106e-07 au
i 15.92502038503808 5.6681e-06 deg
node 39.74666289239102 1.3154e-05 deg
peri 17.32074149402625 2.6145e-05 deg
M 19.00995223746743 2.123e-05 deg
tp 2458918.650214662767
(2020-Mar-10.15021466)		 9.1374e-05 TDB
period 1550.026131224475
4.24		 8.9021e-06
2.437e-08		 d
yr
n .2322541489772243 1.3339e-09 deg/d
Q 2.900721134423483 1.1106e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1906  
   data-arc span      13984 days (38.29 yr)  
   first obs. used      1981-10-23  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:39:21  

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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