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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159151519314684 4.4223e-08  
a 2.44703414876909 1.5936e-08 au
q 2.163385813633029 1.1278e-07 au
i 6.045986302015223 5.6503e-06 deg
node 145.1488114272791 4.8275e-05 deg
peri 125.4387138475933 5.5931e-05 deg
M 270.9277164453158 3.0921e-05 deg
tp 2457946.438228940414
(2017-Jul-11.93822894)
0.000122 JED
period 1398.165146873007
3.83
1.3658e-05
3.739e-08
d
yr
n .2574803132556545 2.5152e-09 deg/d
Q 2.73068248390515 1.7783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1006  
   data-arc span      8514 days (23.31 yr)  
   first obs. used      1992-12-26  
   last obs. used      2016-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51775  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:39:04  

Additional Information
 Earth MOID = 1.15369 au 
 Jupiter MOID = 2.36425 au 
 T_jup = 3.481 
[ 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 15.1 mag n/a MPO365519  

22472 (1997 CT28)          Discovered 1997-Feb-06 by Beijing Schmidt CCD Asteroid Program at Xinglong
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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