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15516 (1999 VN86)
Classification: Main-belt Asteroid          SPK-ID: 2015516
[ 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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1707803538838553 3.092e-08  
a 2.675314043198788 1.0876e-08 au
q 2.218422964150851 8.3828e-08 au
i 12.51321503997441 5.7259e-06 deg
node 179.1753659144277 1.6706e-05 deg
peri 93.79742141696687 2.4445e-05 deg
M 23.70638140828282 1.6525e-05 deg
tp 2458895.249698791441
(2020-Feb-15.74969879)		 7.3335e-05 TDB
period 1598.308395639109
4.38		 9.7468e-06
2.669e-08		 d
yr
n .2252381336306803 1.3736e-09 deg/d
Q 3.132205122246725 1.2734e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1605  
   data-arc span      24168 days (66.17 yr)  
   first obs. used      1954-06-02  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5073  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:59:59  

Additional Information
 Earth MOID = 1.24555 au 
 Jupiter MOID = 2.10723 au 
 T_jup = 3.324 
[ 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 13.7   n/a MPO296262  
diameter diameter 4.992 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.257   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15516 (1999 VN86)          Discovered 1999-Nov-05 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VN86 = 1984 EM1 = 1990 UC9 = 1998 QV78 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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