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JPL Small-Body Database Browser
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212622 (2006 TU21)
Classification: Main-belt Asteroid          SPK-ID: 2212622
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07626533613368694 8.5164e-08  
a 3.044567352600456 3.4963e-08 au
q 2.812372400072733 2.7302e-07 au
i 4.918756855197594 6.5014e-06 deg
node 51.54969071767809 9.1042e-05 deg
peri 309.3953478198954 9.7208e-05 deg
M 162.0826549607945 3.5795e-05 deg
tp 2457726.883461436796
(2016-Dec-04.38346144)
0.00018746 TDB
period 1940.380073110395
5.31
3.3424e-05
9.151e-08
d
yr
n .1855306622598563 3.1958e-09 deg/d
Q 3.276762305128179 3.7629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      8562 days (23.44 yr)  
   first obs. used      1995-09-18  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52077  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:23:28  

Additional Information
 Earth MOID = 1.81201 au 
 Jupiter MOID = 2.11726 au 
 T_jup = 3.229 
[ 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 15.8   n/a MPO433390  
diameter diameter 4.395 km 0.721 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212622 (2006 TU21)          Discovered 2006-Oct-11 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2006 TU21 = 2001 YA27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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