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 ]  
13656 (1997 EX45)
Classification: Main-belt Asteroid          SPK-ID: 2013656
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09572667411531229 5.5465e-08  
a 2.532441401776738 2.0401e-08 AU
q 2.290019208992732 1.3963e-07 AU
i 3.304723491131134 5.5948e-06 deg
node 109.9223664387883 0.00012825 deg
peri 19.95275428020443 0.00013369 deg
M 193.330378158887 3.979e-05 deg
tp 2457681.993132336616
(2016-Oct-20.49313234)
0.00016465 JED
period 1471.999065762946
4.03
1.7788e-05
4.87e-08
d
yr
n .244565372610077 2.9553e-09 deg/d
Q 2.774863594560745 2.2354e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      807  
   data-arc span      7746 days (21.21 yr)  
   first obs. used      1993-04-18  
   last obs. used      2014-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54234  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:31:00  

Additional Information
 Earth MOID = 1.30543 AU 
 T_jup = 3.441 
[ 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 14.4 mag n/a MPO266030  

13656 (1997 EX45)          Discovered 1997-Mar-15 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 EX45 = 1993 HG8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Sep-02 21:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin