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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162876612955081 4.7802e-08  
a 2.446084447036216 1.6176e-08 au
q 2.161635007359058 1.201e-07 au
i 6.046827924033913 6.1905e-06 deg
node 145.1499151131348 6.2413e-05 deg
peri 125.5829719196134 7.1101e-05 deg
M 219.2911422647596 3.4473e-05 deg
tp 2457946.665839138832
(2017-Jul-12.16583914)
0.00013594 JED
period 1397.351277344187
3.83
1.3861e-05
3.795e-08
d
yr
n .2576302793984759 2.5556e-09 deg/d
Q 2.730533886713373 1.8057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      8387 days (22.96 yr)  
   first obs. used      1992-12-26  
   last obs. used      2015-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50873  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:50:27  

Additional Information
 Earth MOID = 1.15061 au 
 Jupiter MOID = 2.36391 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
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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