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213751 (2002 XS66)
Classification: Main-belt Asteroid          SPK-ID: 2213751
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3129936827078449 6.6329e-08  
a 2.563982796156269 1.6621e-08 au
q 1.761472378387761 1.7677e-07 au
i 3.882767582768694 4.2232e-06 deg
node 253.5891157787291 8.7092e-05 deg
peri 67.6833889687291 8.7782e-05 deg
M 215.7805220060289 9.3195e-06 deg
tp 2459801.248237910679
(2022-Aug-09.74823791)
3.7477e-05 TDB
period 1499.584998198962
4.11
1.4582e-05
3.992e-08
d
yr
n .2400664186640762 2.3343e-09 deg/d
Q 3.366493213924778 2.1823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      6713 days (18.38 yr)  
   first obs. used      2002-11-28  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50101  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:39:40  

Additional Information
 Earth MOID = .751412 au 
 Jupiter MOID = 1.99452 au 
 T_jup = 3.360 
[ 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 16.04   n/a MPCxxxxx  
diameter diameter 1.853 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.246   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

213751 (2002 XS66)          Discovered 2002-Dec-11 by Yeung, W. K. Y. at Desert Eagle
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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