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13634 (1995 WY41)
Classification: Main-belt Asteroid          SPK-ID: 2013634
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2087290019567409 6.8522e-08  
a 2.325151027651493 1.4493e-08 AU
q 1.839824574251106 1.5739e-07 AU
i 3.71162381350371 7.0373e-06 deg
node 278.0808174589464 0.00010015 deg
peri 124.0441219467276 0.00010303 deg
M 91.12074003969848 2.2558e-05 deg
tp 2456472.714366316656
(2013-Jun-29.21436632)
7.9901e-05 JED
period 1295.016129967705
3.55
1.2108e-05
3.315e-08
d
yr
n .2779888154821497 2.5992e-09 deg/d
Q 2.810477481051879 1.7519e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      634  
   data-arc span      15938 days (43.64 yr)  
   first obs. used      1970-09-27  
   last obs. used      2014-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56291  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:52:22  

Additional Information
 Earth MOID = .850393 AU 
 T_jup = 3.543 
[ 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 15.0 mag n/a MPO236468  

13634 (1995 WY41)          Discovered 1995-Nov-16 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 WY41 = 1970 SQ = 1991 PX9 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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