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447837 (2007 UA22)
Classification: Main-belt Asteroid          SPK-ID: 2447837
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .160598897994579 9.9427e-08  
a 2.595192631783652 3.2682e-08 au
q 2.178407555035546 2.4996e-07 au
i 8.738958665915165 1.0086e-05 deg
node 211.6917831365448 5.7214e-05 deg
peri 263.4825086227106 7.7456e-05 deg
M 307.4422560364341 4.9216e-05 deg
tp 2459223.439508966837
(2021-Jan-08.93950897)
0.00021011 TDB
period 1527.048483734349
4.18
2.8846e-05
7.898e-08
d
yr
n .2357488998120291 4.4533e-09 deg/d
Q 3.011977708531758 3.7931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      5244 days (14.36 yr)  
   first obs. used      2005-05-19  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66873  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:23:26  

Additional Information
 Earth MOID = 1.2152 au 
 Jupiter MOID = 2.17393 au 
 T_jup = 3.383 
[ 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 17.5   n/a MPO495224  

447837 (2007 UA22)          Discovered 2007-Oct-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

Alternate Designations
 2007 UA22 = 2011 UM65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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