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46072 (2001 EJ)
Classification: Main-belt Asteroid          SPK-ID: 2046072
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1456210058157073 3.2179e-08  
a 3.190566449402084 2.0597e-08 au
q 2.725952953918303 1.0035e-07 au
i 8.385031414895472 5.5133e-06 deg
node 176.0212298180413 2.1997e-05 deg
peri 77.67108446240314 2.8638e-05 deg
M 73.53413808014461 1.8637e-05 deg
tp 2458575.306493496488
(2019-Apr-01.80649350)
0.00010635 TDB
period 2081.613606110868
5.70
2.0157e-05
5.519e-08
d
yr
n .1729427588977943 1.6747e-09 deg/d
Q 3.655179944885866 2.3597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1239  
   data-arc span      8456 days (23.15 yr)  
   first obs. used      1997-09-06  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51521  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:49:00  

Additional Information
 Earth MOID = 1.72785 au 
 Jupiter MOID = 1.46 au 
 T_jup = 3.164 
[ 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 13.7   n/a MPO493176  
diameter diameter 10.564 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46072 (2001 EJ)          Discovered 2001-Mar-02 by Yeung, W. K. Y. at Desert Beaver
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 EJ = 1997 RF13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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