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15545 (2000 EK46)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015545
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752411567548645 3.0423e-08  
a 3.968723650694707 3.1546e-08 au
q 3.273239927306578 1.2448e-07 au
i 2.175854263525125 4.8567e-06 deg
node 348.235769985744 7.9981e-05 deg
peri 120.980370887789 8.1274e-05 deg
M 280.9381364316234 1.5221e-05 deg
tp 2459834.719019505787
(2022-Sep-12.21901951)
0.00012733 TDB
period 2887.850560524946
7.91
3.4432e-05
9.427e-08
d
yr
n .124660190150061 1.4863e-09 deg/d
Q 4.664207374082836 3.7075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1472  
   data-arc span      13430 days (36.77 yr)  
   first obs. used      1984-03-11  
   last obs. used      2020-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52757  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:24:38  

Additional Information
 Earth MOID = 2.29058 au 
 Jupiter MOID = .481175 au 
 T_jup = 3.030 
[ 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 13.1   n/a MPO452390  
diameter diameter 15.559 km 0.742 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 25.130 h n/a LCDB (Rev. 2020-October); 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 0.046   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

15545 (2000 EK46)          Discovered 2000-Mar-09 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 EK46 = 1999 CE17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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