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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07777328063140289 3.7825e-08  
a 3.055850879156168 1.9868e-08 au
q 2.818187331163836 1.1155e-07 au
i 9.14514554940981 4.4371e-06 deg
node 136.7555171497463 2.9479e-05 deg
peri 154.925712630946 4.5895e-05 deg
M 140.6033865987463 3.6908e-05 deg
tp 2458438.438636114214
(2018-Nov-15.93863611)
0.0001975 TDB
period 1951.176978274355
5.34
1.9029e-05
5.21e-08
d
yr
n .1845040219357182 1.7994e-09 deg/d
Q 3.2935144271485 2.1413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      9529 days (26.09 yr)  
   first obs. used      1995-01-09  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58724  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:46:14  

Additional Information
 Earth MOID = 1.80333 au 
 Jupiter MOID = 1.9133 au 
 T_jup = 3.211 
[ 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 14.34   n/a MPCxxxxx  
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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