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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0759572548481262 3.1896e-08  
a 2.857677292721638 1.0956e-08 au
q 2.640615970324677 9.0175e-08 au
i 1.558159581101719 3.8088e-06 deg
node 355.6867590143753 0.00011625 deg
peri 47.08083028486487 0.00011879 deg
M 164.244155934995 2.4453e-05 deg
tp 2458395.481932548012
(2018-Oct-03.98193255)
0.0001192 TDB
period 1764.485942485625
4.83
1.0148e-05
2.778e-08
d
yr
n .2040254282178464 1.1734e-09 deg/d
Q 3.074738615118599 1.1789e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3179  
   data-arc span      24372 days (66.73 yr)  
   first obs. used      1954-06-30  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44081  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:28:49  

Additional Information
 Earth MOID = 1.64833 au 
 Jupiter MOID = 2.22774 au 
 T_jup = 3.298 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.25   n/a E2021B10  
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 16.63 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:
[Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
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

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 ]
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