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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 ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09572666346238923 5.4315e-08  
a 2.532441401894867 1.9593e-08 AU
q 2.290019236077456 1.3622e-07 AU
i 3.304723659857691 5.5585e-06 deg
node 109.9223051310012 0.00011716 deg
peri 19.95280780504815 0.00012224 deg
M 193.3303855504408 3.7746e-05 deg
tp 2457681.993102161077
(2016-Oct-20.49310216)
0.00015701 JED
period 1471.99906586594
4.03
1.7083e-05
4.677e-08
d
yr
n .244565372592965 2.8383e-09 deg/d
Q 2.774863567712278 2.1469e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      8101 days (22.18 yr)  
   first obs. used      1993-04-18  
   last obs. used      2015-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54002  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:12:28  

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
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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