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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456523.5 (2013-Aug-19.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07256603072303429 3.4948e-08  
q 2.650941810545321 1.0016e-07 au
tp 2456632.659740213777
(2013-Dec-06.15974021)
0.00013092 TDB
node 355.7622939542927 0.0001364 deg
peri 47.848409965932 0.00013906 deg
i 1.558852908773634 4.0188e-06 deg
  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
 Jupiter MOID = 2.22631 au 
 T_jup = 3.298 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.2213629838196E-15 -3.478227330171151E-15 -3.996608855935238E-13 5.667647675440852E-15 -1.015777288308704E-13 -1.154230574029971E-16
q -3.478227330171151E-15 1.003231892009697E-14 1.005734065869679E-12 -1.55701485927966E-14 2.579101078891406E-13 4.478027623958127E-16
tp -3.996608855935238E-13 1.005734065869679E-12 1.714100345697564E-8 -2.648485122702329E-12 3.563314174629958E-9 -1.809904097244004E-13
node 5.667647675440852E-15 -1.55701485927966E-14 -2.648485122702329E-12 1.860377477198392E-8 -1.85972212984872E-8 1.477581505446726E-11
peri -1.015777288308704E-13 2.579101078891406E-13 3.563314174629958E-9 -1.85972212984872E-8 1.933829743007472E-8 -1.480610217387022E-11
i -1.154230574029971E-16 4.478027623958127E-16 -1.809904097244004E-13 1.477581505446726E-11 -1.480610217387022E-11 1.615076959507726E-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 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

[ 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 31 CATAB v2.0f-lin.ifort 2019-Dec-03 20:39:28 2019-Dec-03 20:39

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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