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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1165180146212207 4.8775e-08  
a 2.44565318314399 1.673e-08 AU
q 2.160690529791984 1.2262e-07 AU
i 6.046886070886497 6.5935e-06 deg
node 145.1498855570062 6.4258e-05 deg
peri 125.7038685552371 7.3547e-05 deg
M 116.0713186653006 3.5165e-05 deg
tp 2456550.084684447239
(2013-Sep-14.58468445)
0.00013529 JED
period 1396.981747631926
3.82
1.4334e-05
3.924e-08
d
yr
n .2576984277784938 2.6442e-09 deg/d
Q 2.730615836495996 1.8679e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      809  
   data-arc span      7998 days (21.90 yr)  
   first obs. used      1992-12-26  
   last obs. used      2014-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49968  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:53:53  

Additional Information
 Earth MOID = 1.15257 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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