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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1165180170525883 4.8486e-08  
a 2.445653181769463 1.6518e-08 AU
q 2.160690522631331 1.2166e-07 AU
i 6.046887951770557 6.4152e-06 deg
node 145.1498908912169 6.4146e-05 deg
peri 125.7038663383856 7.3232e-05 deg
M 116.071316473657 3.4938e-05 deg
tp 2456550.084693331642
(2013-Sep-14.58469333)
0.00013432 JED
period 1396.98174645421
3.82
1.4153e-05
3.875e-08
d
yr
n .2576984279957447 2.6108e-09 deg/d
Q 2.730615840907594 1.8443e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      825  
   data-arc span      8060 days (22.07 yr)  
   first obs. used      1992-12-26  
   last obs. used      2015-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50035  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:02:16  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Mar-04 11:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin