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46641 (1995 EY)
Classification: Main-belt Asteroid          SPK-ID: 2046641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2728995047895627 3.6743e-08  
a 2.637659181395611 1.1207e-08 au
q 1.917843296989106 1.0045e-07 au
i 4.457245737221919 4.1633e-06 deg
node 324.694483693231 4.5926e-05 deg
peri 143.4230186544372 4.675e-05 deg
M 41.34275987066317 7.8667e-06 deg
tp 2459020.810206796265
(2020-Jun-20.31020680)
3.3647e-05 TDB
period 1564.683290513643
4.28
9.9721e-06
2.73e-08
d
yr
n .2300785099339955 1.4663e-09 deg/d
Q 3.357475065802117 1.4265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1191  
   data-arc span      23891 days (65.41 yr)  
   first obs. used      1955-10-24  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49169  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:39:41  

Additional Information
 Earth MOID = .936578 au 
 Jupiter MOID = 1.79142 au 
 T_jup = 3.338 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.94   n/a MPCxxxxx  

46641 (1995 EY)          Discovered 1995-Mar-05 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 EY = 1991 GH14 = 1998 XS46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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