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JPL Small-Body Database Browser
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46074 (2001 EK1)
Classification: Main-belt Asteroid          SPK-ID: 2046074
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2200920437054195 4.2028e-08  
a 2.726496356396727 1.3449e-08 au
q 2.126416201161991 1.184e-07 au
i 9.673498138752995 4.5429e-06 deg
node 96.63845170597483 2.4319e-05 deg
peri 122.88716993715 2.6052e-05 deg
M 57.913959863725 8.9228e-06 deg
tp 2458735.962911501650
(2019-Sep-09.46291150)
4.0101e-05 TDB
period 1644.393719294892
4.50
1.2167e-05
3.331e-08
d
yr
n .2189256719822344 1.6198e-09 deg/d
Q 3.326576511631462 1.6409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1114  
   data-arc span      8971 days (24.56 yr)  
   first obs. used      1994-12-09  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4799  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:20:58  

Additional Information
 Earth MOID = 1.13578 au 
 Jupiter MOID = 1.72543 au 
 T_jup = 3.301 
[ 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 14.2   n/a MPO474332  
diameter diameter 7.139 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46074 (2001 EK1)          Discovered 2001-Mar-01 by LINEAR at Socorro
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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