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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749897031039604 3.6458e-08  
a 3.968862643901498 3.5579e-08 au
q 3.274352548184776 1.4099e-07 au
i 2.17574054808836 4.9859e-06 deg
node 348.2355344895925 9.8124e-05 deg
peri 120.9717258113285 9.9159e-05 deg
M 255.9869170069847 1.5403e-05 deg
tp 2459834.916721627216
(2022-Sep-12.41672163)
0.00013137 TDB
period 2888.002269925693
7.91
3.8835e-05
1.063e-07
d
yr
n .1246536416362521 1.6762e-09 deg/d
Q 4.663372739618221 4.1805e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1276  
   data-arc span      13288 days (36.38 yr)  
   first obs. used      1984-03-11  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55122  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:00:37  

Additional Information
 Earth MOID = 2.29183 au 
 Jupiter MOID = .482144 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. 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 0.046   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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