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JPL Small-Body Database Browser
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2726 Kotelnikov (1979 SE9)
Classification: Main-belt Asteroid          SPK-ID: 2002726
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07564268827349069 3.5038e-08  
a 2.859185012868991 1.2166e-08 au
q 2.642908572224306 1.0086e-07 au
i 1.557721996337669 4.0235e-06 deg
node 355.6969294758148 0.00013635 deg
peri 47.43693998306366 0.00013879 deg
M 41.52893946298241 2.5412e-05 deg
tp 2458396.791029148431
(2018-Oct-05.29102915)
0.00012463 TDB
period 1765.882549732182
4.83
1.1271e-05
3.086e-08
d
yr
n .2038640678875266 1.3012e-09 deg/d
Q 3.075461453513677 1.3086e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2623  
   data-arc span      23888 days (65.40 yr)  
   first obs. used      1954-06-30  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47407  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:39:12  

Additional Information
 Earth MOID = 1.65116 au 
 Jupiter MOID = 2.22631 au 
 T_jup = 3.298 
[ 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 12.2   n/a MPO365278  
diameter diameter 10.937 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.9075 h n/a LCDB (Rev. 2019-January); 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 0.213   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2726 Kotelnikov (1979 SE9)          Discovered 1979-Sep-22 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1979 SE9 = 1952 BR1 = 1955 UK1 = 1969 RC1 = 1972 GJ1 = 1974 SH1 = 1974 TN = A906 QE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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