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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07578132215214732 3.4186e-08  
a 2.85828656780421 1.1926e-08 au
q 2.641681832606284 9.7861e-08 au
i 1.558052684310044 3.9624e-06 deg
node 355.6856600695036 0.00013285 deg
peri 47.19133154406578 0.00013533 deg
M 123.33352865788 2.5329e-05 deg
tp 2458395.805893564493
(2018-Oct-04.30589356)
0.00012403 TDB
period 1765.050272101122
4.83
1.1047e-05
3.025e-08
d
yr
n .2039601963129666 1.2765e-09 deg/d
Q 3.074891303002137 1.283e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2688  
   data-arc span      23929 days (65.51 yr)  
   first obs. used      1954-06-30  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:42:39  

Additional Information
 Earth MOID = 1.65044 au 
 Jupiter MOID = 2.22696 au 
 T_jup = 3.298 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456646.5 (2013-Dec-20.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07266572889557821 3.4046e-08  
q 2.650909602612665 9.7043e-08 au
tp 2456632.886836271176
(2013-Dec-06.38683627)
0.00013029 TDB
node 355.7614722084178 0.00013293 deg
peri 47.90352189728803 0.00013564 deg
i 1.558823925958711 3.9572e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2688  
   data-arc span      23929 days (65.51 yr)  
   first obs. used      1954-06-30  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4684  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:42:39  

Additional Information
 Jupiter MOID = 2.22696 au 
 T_jup = 3.298 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.159106963875036E-15 -3.282580097838469E-15 -4.920651386121538E-13 6.245238737727368E-15 -1.251870988706801E-13 -7.697679078074478E-17
q -3.282580097838469E-15 9.417267848813789E-15 1.28621476684767E-12 -1.714572642700123E-14 3.301019329475472E-13 3.166302758967393E-16
tp -4.920651386121538E-13 1.28621476684767E-12 1.697555076249937E-8 -8.4149680446163E-12 3.528447932995659E-9 -2.630536423485026E-13
node 6.245238737727368E-15 -1.714572642700123E-14 -8.4149680446163E-12 1.766978444290022E-8 -1.766477648072121E-8 -6.899871702456809E-12
peri -1.251870988706801E-13 3.301019329475472E-13 3.528447932995659E-9 -1.766477648072121E-8 1.839742269549427E-8 6.846375309912717E-12
i -7.697679078074478E-17 3.166302758967393E-16 -2.630536423485026E-13 -6.899871702456809E-12 6.846375309912717E-12 1.56591218837663E-11

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 16.63 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:
[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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2135-Dec-03 04:22 00:04 Europ 0.0418157278529019 0.0418121279652796 0.0418193326848716 2.9656677820421 2.96566769633643 2501188.681901919 4.18189691770053 746.010274179836 26.555733650946 76.234038094837 228526.593869855 T 33 CATAB v2.0f-lin.ifort 2020-Jan-28 18:43:19 2020-Jan-28 18:43

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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