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22472 (1997 CT28)
Classification: Main-belt Asteroid          SPK-ID: 2022472
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1165168893902867 5.5599e-08  
a 2.446027853521009 2.0483e-08 AU
q 2.161024296666742 1.4413e-07 AU
i 6.04673028856512 7.2423e-06 deg
node 145.148390685994 6.4921e-05 deg
peri 125.7801040557074 7.6462e-05 deg
M 64.46024413079722 3.6911e-05 deg
tp 2456550.304226311704
(2013-Sep-14.80422631)
0.00014325 JED
period 1397.302783170093
3.83
1.7551e-05
4.805e-08
d
yr
n .2576392206013215 3.2361e-09 deg/d
Q 2.731031410375278 2.2869e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      7542 days (20.65 yr)  
   first obs. used      1992-12-26  
   last obs. used      2013-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50937  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 23:16:34  

Additional Information
 Earth MOID = 1.15105 AU 
 T_jup = 3.482 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO267790  

22472 (1997 CT28)          Discovered 1997-Feb-06 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 CT28 = 1999 WH26 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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