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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1063940267306882 5.3958e-08  
a 2.620454466437057 1.2521e-08 au
q 2.341653763888401 1.3975e-07 au
i 15.92672344091497 5.9559e-06 deg
node 39.74649276766976 1.4799e-05 deg
peri 17.37368101556847 2.7215e-05 deg
M 286.0310962235889 2.1676e-05 deg
tp 2458918.853797804773
(2020-Mar-10.35379781)		 9.3609e-05 TDB
period 1549.399292926481
4.24		 1.1105e-05
3.04e-08		 d
yr
n .2323481117124028 1.6652e-09 deg/d
Q 2.899255168985713 1.3853e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1526  
   data-arc span      13477 days (36.90 yr)  
   first obs. used      1981-10-23  
   last obs. used      2018-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45174  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 17:18:26  

Additional Information
 Earth MOID = 1.35554 au 
 Jupiter MOID = 2.51106 au 
 T_jup = 3.343 
[ 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 12.7   n/a MPO416856  
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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