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155218 (2005 VL7)
Classification: Main-belt Asteroid          SPK-ID: 2155218
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 .1940171071402816 1.8653e-07  
a 2.548116662919558 2.2375e-08 au
q 2.053738439323957 4.8786e-07 au
i 18.47773876118566 6.0956e-06 deg
node 303.9278207015259 2.7714e-05 deg
peri 92.18240149946578 4.1656e-05 deg
M 221.8269553621439 3.1591e-05 deg
tp 2459570.727575248619
(2021-Dec-22.22757525)
0.00013587 TDB
period 1485.687223781854
4.07
1.9569e-05
5.358e-08
d
yr
n .2423121059650839 3.1916e-09 deg/d
Q 3.042494886515159 2.6716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      813  
   data-arc span      6460 days (17.69 yr)  
   first obs. used      2001-08-23  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47715  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:37:21  

Additional Information
 Earth MOID = 1.15566 au 
 Jupiter MOID = 2.56078 au 
 T_jup = 3.344 
[ 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 14.7   n/a MPO436786  
diameter diameter 4.654 km 0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.128   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

155218 (2005 VL7)          Discovered 2005-Nov-13 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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