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JPL Small-Body Database Browser
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46075 (2001 EK3)
Classification: Main-belt Asteroid          SPK-ID: 2046075
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09211462299317191 3.553e-08  
a 2.3697362869926 1.1501e-08 au
q 2.151448922323037 8.6564e-08 au
i 7.769844074273571 4.5407e-06 deg
node 288.4421143942082 3.3611e-05 deg
peri 323.868249837444 4.458e-05 deg
M 5.430379304541723 3.1255e-05 deg
tp 2458980.400922729507
(2020-May-10.90092273)
0.00011564 TDB
period 1332.442433869368
3.65
9.7001e-06
2.656e-08
d
yr
n .2701805277655202 1.9669e-09 deg/d
Q 2.588023651662162 1.256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      775  
   data-arc span      15149 days (41.48 yr)  
   first obs. used      1977-10-11  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:21:23  

Additional Information
 Earth MOID = 1.14173 au 
 Jupiter MOID = 2.47829 au 
 T_jup = 3.527 
[ 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 15.6   n/a MPO432018  
diameter diameter 2.256 km 0.341 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.585 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.200   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

46075 (2001 EK3)          Discovered 2001-Mar-02 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 EK3 = 1031 T-3 = 1999 TL189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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