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243044 (2006 XY21)
Classification: Main-belt Asteroid          SPK-ID: 2243044
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04593363313624482 6.2e-08  
a 2.969070433665387 3.814e-08 au
q 2.832690241609729 1.7988e-07 au
i 8.159542801012595 6.8244e-06 deg
node 81.70348664765235 3.8016e-05 deg
peri 330.46053197 8.3422e-05 deg
M 255.4744353813921 8.0183e-05 deg
tp 2459543.061781763310
(2021-Nov-24.56178176)
0.00042274 TDB
period 1868.655215090028
5.12
3.6006e-05
9.858e-08
d
yr
n .1926519119701041 3.7121e-09 deg/d
Q 3.105450625721044 3.9892e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      6407 days (17.54 yr)  
   first obs. used      2002-01-08  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55749  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:16:09  

Additional Information
 Earth MOID = 1.84765 au 
 Jupiter MOID = 2.11748 au 
 T_jup = 3.246 
[ 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 15.7   n/a MPO450091  
diameter diameter 5.866 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.036   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243044 (2006 XY21)          Discovered 2006-Dec-12 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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