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JPL Small-Body Database Browser
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15887 Daveclark (1997 ER26)
Classification: Main-belt Asteroid          SPK-ID: 2015887
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2070162570510756 4.3131e-08  
a 3.057882831488725 1.6975e-08 au
q 2.424851373213184 1.371e-07 au
i 1.887442438968108 4.5517e-06 deg
node 167.292293988834 0.00011847 deg
peri 192.3884937922112 0.0001188 deg
M 233.6842262297175 9.4719e-06 deg
tp 2459285.806378048280
(2021-Mar-12.30637805)
5.4042e-05 TDB
period 1953.123420247161
5.35
1.6263e-05
4.453e-08
d
yr
n .1843201490843027 1.5348e-09 deg/d
Q 3.690914289764266 2.0489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1375  
   data-arc span      14803 days (40.53 yr)  
   first obs. used      1978-10-30  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52645  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:22:17  

Additional Information
 Earth MOID = 1.42067 au 
 Jupiter MOID = 1.75977 au 
 T_jup = 3.201 
[ 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 13.9   n/a MPO299077  
diameter diameter 7.659 km 0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15887 Daveclark           Discovered 1997 Mar. 4 by Spacewatch at Kitt Peak.
David Leslie Clark (b. 1956) is an amateur astronomer active in the Royal Astronomical Society of Canada, London Centre, particularly in educational activities. He created ClearSky, a planetarium software package. The name was suggested by R. Jedicke and P. Jedicke.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050523/MPCPages.arcLast Updated: 2005-07-21

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Alternate Designations
 1997 ER26 = 1978 UD2 = 1994 TE14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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