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249083 (2007 VT20)
Classification: Main-belt Asteroid          SPK-ID: 2249083
[ 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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1249671230940526 1.0491e-07  
a 2.676648380980673 4.4067e-08 au
q 2.342155333275165 2.9641e-07 au
i 8.982499938832216 1.0163e-05 deg
node 33.70578655029973 4.2645e-05 deg
peri 172.7009379869863 5.1475e-05 deg
M 124.8158028249556 3.7282e-05 deg
tp 2458445.934962458358
(2018-Nov-23.43496246)		 0.00015647 TDB
period 1599.504301510405
4.38		 3.95e-05
1.081e-07		 d
yr
n .2250697292030122 5.5582e-09 deg/d
Q 3.011141428686182 4.9574e-08 au
   Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      6163 days (16.87 yr)  
   first obs. used      2001-03-27  
   last obs. used      2018-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58831  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:54:05  

Additional Information
 Earth MOID = 1.33782 au 
 Jupiter MOID = 1.94811 au 
 T_jup = 3.350 
[ 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 16.5   n/a MPO437157  
diameter diameter 2.506 km 0.273 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.077   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

249083 (2007 VT20)          Discovered 2007-Nov-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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