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212989 (2009 DZ22)
Classification: Main-belt Asteroid          SPK-ID: 2212989
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04775264670376291 3.2292e-08  
a 2.370611614060405 1.3018e-08 au
q 2.257408635182342 7.4496e-08 au
i 2.062398024131391 4.1392e-06 deg
node 33.95205775148899 0.00013799 deg
peri 47.40052259613359 0.00015215 deg
M 106.0582816687921 6.3365e-05 deg
tp 2458607.736497486761
(2019-May-04.23649749)
0.00023424 TDB
period 1333.180763255491
3.65
1.0982e-05
3.007e-08
d
yr
n .2700308989764574 2.2244e-09 deg/d
Q 2.483814592938469 1.364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      8094 days (22.16 yr)  
   first obs. used      1998-03-01  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58552  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:52:24  

Additional Information
 Earth MOID = 1.27366 au 
 Jupiter MOID = 2.60233 au 
 T_jup = 3.542 
[ 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 16.8   n/a MPO418140  

212989 (2009 DZ22)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2009 DZ22 = 2006 KC131 = 2007 RD12 = 2007 TT19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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