Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1165180174512695 4.8399e-08  
a 2.445653181590473 1.6466e-08 AU
q 2.160690521498161 1.2138e-07 AU
i 6.046887992009957 6.378e-06 deg
node 145.1498894424807 6.4135e-05 deg
peri 125.7038679362288 7.3185e-05 deg
M 116.0713164028323 3.4905e-05 deg
tp 2456550.084693655925
(2013-Sep-14.58469366)
0.00013417 JED
period 1396.981746300849
3.82
1.4108e-05
3.863e-08
d
yr
n .2576984280240349 2.6025e-09 deg/d
Q 2.730615841682784 1.8384e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      8064 days (22.08 yr)  
   first obs. used      1992-12-26  
   last obs. used      2015-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49031  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:08:34  

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
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Aug-30 15:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin