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15147 Siegfried (2000 EJ134)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015147
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .00654108150323764 1.6099e-08  
a 3.24402204780989 1.9231e-08 au
q 3.222802635196866 5.1046e-08 au
i 8.940416684073512 2.5401e-07 deg
node 57.92376589288929 1.6789e-06 deg
peri 306.3475604569342 0.00017893 deg
M 21.21078486005323 0.00017715 deg
tp 2459074.758579903067
(2020-Aug-13.25857990)
0.0010501 TDB
period 2134.145979677916
5.84
1.8978e-05
5.196e-08
d
yr
n .1686857428817175 1.5e-09 deg/d
Q 3.265241460422915 1.9357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2057  
   data-arc span      12436 days (34.05 yr)  
   first obs. used      1986-12-30  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48118  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:49:52  

Additional Information
 Earth MOID = 2.23105 au 
 Jupiter MOID = 1.7512 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 12.90   n/a E2021B10  
diameter diameter 18.102 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15147 Siegfried           Discovered 2000 Mar. 11 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Ray M. Siegfried (b. 1943) is active in numerous civic, business, cultural and community associations. In 1990 he was presented with the "Brotherhood Award" from the National Conference of Christians and Jews. He is currently chairman of the board of the aerospace NORDAM Group. The name was suggested by T. W. Rettig.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040713/MPCPages.arcLast Updated: 2004-07-14

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Alternate Designations
 2000 EJ134 = 1986 YM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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