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190990 (2001 XL223)
Classification: Main-belt Asteroid          SPK-ID: 2190990
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1974111835826906 3.5459e-08  
a 2.397386973885751 9.6367e-09 au
q 1.92411597386524 8.2714e-08 au
i 6.738751752004465 5.2158e-06 deg
node 174.9702069547334 3.4603e-05 deg
peri 264.4187328433434 3.7816e-05 deg
M 34.1045375600707 1.5199e-05 deg
tp 2459072.055561923515
(2020-Aug-10.55556192)		 5.6906e-05 TDB
period 1355.831247560202
3.71		 8.175e-06
2.238e-08		 d
yr
n .2655197692543335 1.6009e-09 deg/d
Q 2.870657973906262 1.1539e-08 au
   Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      2001-10-17  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54143  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:56  

Additional Information
 Earth MOID = .952945 au 
 Jupiter MOID = 2.41663 au 
 T_jup = 3.492 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO449948  
diameter diameter 2.266 km 0.623 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

190990 (2001 XL223)          Discovered 2001-Dec-15 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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