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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09571276538341796 5.5441e-08  
a 2.532436532637622 2.035e-08 AU
q 2.290050028940881 1.3955e-07 AU
i 3.304735416450206 5.5949e-06 deg
node 109.9224348960809 0.00012824 deg
peri 19.89851728967415 0.00013369 deg
M 144.4828858479498 3.9684e-05 deg
tp 2456209.727612195787
(2012-Oct-09.22761220)
0.00016098 JED
period 1471.994820433845
4.03
1.7743e-05
4.858e-08
d
yr
n .2445660779525679 2.9479e-09 deg/d
Q 2.774823036334364 2.2297e-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 = 1.30521 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-Jul-23 03:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin