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249492 (2009 VW26)
Classification: Main-belt Asteroid          SPK-ID: 2249492
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04945930190148427 4.7448e-08  
a 3.159989979448918 3.4366e-08 au
q 3.003699081049689 1.5411e-07 au
i 7.991066896179674 5.1697e-06 deg
node 249.6065130969222 4.2579e-05 deg
peri 237.4496321818547 7.5211e-05 deg
M 242.5126210041806 6.4102e-05 deg
tp 2459670.100392538852
(2022-Mar-31.60039254)
0.00036985 TDB
period 2051.762013710123
5.62
3.3471e-05
9.164e-08
d
yr
n .1754589458204393 2.8623e-09 deg/d
Q 3.316280877848147 3.6066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      7559 days (20.70 yr)  
   first obs. used      2000-02-12  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4983  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:17:27  

Additional Information
 Earth MOID = 2.02892 au 
 Jupiter MOID = 1.81725 au 
 T_jup = 3.188 
[ 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 15.5   n/a MPO494360  
diameter diameter 4.243 km 0.873 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249492 (2009 VW26)          Discovered 2009-Nov-08 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 VW26 = 2004 XR95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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