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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2729122708113715 3.817e-08  
a 2.637809517463081 1.1436e-08 au
q 1.917918932084383 1.0447e-07 au
i 4.45712218515886 4.2374e-06 deg
node 324.6948486907494 4.6016e-05 deg
peri 143.4465964142636 4.6863e-05 deg
M 355.3144670227991 7.7583e-06 deg
tp 2459020.866672095228
(2020-Jun-20.36667210)
3.3784e-05 TDB
period 1564.817063492803
4.28
1.0176e-05
2.786e-08
d
yr
n .2300588409973302 1.4961e-09 deg/d
Q 3.357700102841779 1.4557e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1160  
   data-arc span      23763 days (65.06 yr)  
   first obs. used      1955-10-24  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:22:56  

Additional Information
 Earth MOID = .93678 au 
 Jupiter MOID = 1.7912 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 15.0   n/a MPO502466  

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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