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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09572666954343508 5.4785e-08  
a 2.532441404278163 1.9791e-08 AU
q 2.290019222832715 1.3711e-07 AU
i 3.304723512836594 5.5948e-06 deg
node 109.9223059188329 0.00011723 deg
peri 19.95280661797405 0.0001223 deg
M 193.3303847977248 3.7757e-05 deg
tp 2457681.993106200883
(2016-Oct-20.49310620)
0.00015708 JED
period 1471.999067943901
4.03
1.7255e-05
4.724e-08
d
yr
n .2445653722477221 2.8669e-09 deg/d
Q 2.774863585723611 2.1685e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      7789 days (21.33 yr)  
   first obs. used      1993-04-18  
   last obs. used      2014-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54086  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:02:10  

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 ]
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