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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09575718411937015 4.6562e-08  
a 2.531820624059253 1.6686e-08 au
q 2.289380610403992 1.2152e-07 au
i 3.304640110532494 4.7538e-06 deg
node 109.9183776302425 0.00011537 deg
peri 20.12398011405543 0.00012038 deg
M 290.9915869954926 3.6896e-05 deg
tp 2457682.563808790064
(2016-Oct-21.06380879)
0.00015154 JED
period 1471.45785192583
4.03
1.4546e-05
3.982e-08
d
yr
n .244655325688626 2.4186e-09 deg/d
Q 2.774260637714513 1.8284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      8264 days (22.63 yr)  
   first obs. used      1993-04-18  
   last obs. used      2015-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53044  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:24:56  

Additional Information
 Earth MOID = 1.30458 au 
 Jupiter MOID = 2.26204 au 
 T_jup = 3.442 
[ 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 14.6 mag n/a MPO358763  

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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