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46077 (2001 EJ5)
Classification: Main-belt Asteroid          SPK-ID: 2046077
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07791643325968449 4.0501e-08  
a 3.055032582863387 2.1248e-08 au
q 2.816995340514551 1.2273e-07 au
i 9.145071893477692 5.8738e-06 deg
node 136.7583979345706 3.5763e-05 deg
peri 154.7499120061277 5.68e-05 deg
M 103.8709858857108 4.4006e-05 deg
tp 2458437.752013788470
(2018-Nov-15.25201379)
0.00023785 TDB
period 1950.393300965293
5.34
2.0348e-05
5.571e-08
d
yr
n .1845781565296743 1.9256e-09 deg/d
Q 3.293069825212223 2.2904e-08 au
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      9058 days (24.80 yr)  
   first obs. used      1995-01-09  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61473  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:25:19  

Additional Information
 Earth MOID = 1.80414 au 
 Jupiter MOID = 1.91422 au 
 T_jup = 3.212 
[ 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 14.3   n/a MPO449291  
diameter diameter 5.413 km 1.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.138   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46077 (2001 EJ5)          Discovered 2001-Mar-02 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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