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JPL Small-Body Database Browser
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2072 Kosmodemyanskaya (1973 QE2)
Classification: Main-belt Asteroid          SPK-ID: 2002072
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .164494259052585 2.4133e-08  
a 2.449694267281841 7.0368e-09 au
q 2.04673362387995 6.0464e-08 au
i 4.736102206503516 3.2583e-06 deg
node 26.14509276384926 4.0259e-05 deg
peri 38.8942963572925 4.1904e-05 deg
M 9.732168251190346 1.2212e-05 deg
tp 2458962.640631693049
(2020-Apr-23.14063169)
4.7462e-05 TDB
period 1400.445639524914
3.83
6.0342e-06
1.652e-08
d
yr
n .2570610310316123 1.1076e-09 deg/d
Q 2.852654910683733 8.1943e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2385  
   data-arc span      23307 days (63.81 yr)  
   first obs. used      1956-03-16  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47342  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:23:49  

Additional Information
 Earth MOID = 1.06252 au 
 Jupiter MOID = 2.46436 au 
 T_jup = 3.473 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456757.5 (2014-Apr-10.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638118744244442 2.4012e-08  
q 2.048439549286514 6.0095e-08 au
tp 2456158.284201989124
(2012-Aug-18.78420199)
4.5939e-05 TDB
node 26.21263765644886 4.0171e-05 deg
peri 38.21455958497231 4.1864e-05 deg
i 4.742741993879507 3.262e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2385  
   data-arc span      23307 days (63.81 yr)  
   first obs. used      1956-03-16  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47342  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:23:49  

Additional Information
 Jupiter MOID = 2.46436 au 
 T_jup = 3.473 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.765959838728289E-16 -1.436248968020772E-15 -1.368614871348973E-14 -1.420999084506739E-15 8.786712982527619E-16 -1.569804236247223E-16
q -1.436248968020772E-15 3.61141794003153E-15 4.569815353325508E-14 3.270656437613419E-15 4.949096470715485E-15 4.608201919445277E-16
tp -1.368614871348973E-14 4.569815353325508E-14 2.11037551729158E-9 5.220080128066325E-12 5.522231298116234E-10 -4.847036363346296E-13
node -1.420999084506739E-15 3.270656437613419E-15 5.220080128066325E-12 1.613740903745122E-9 -1.606651611564824E-9 -3.87367127199692E-11
peri 8.786712982527619E-16 4.949096470715485E-15 5.522231298116234E-10 -1.606651611564824E-9 1.752561055543408E-9 3.849610888905174E-11
i -1.569804236247223E-16 4.608201919445277E-16 -4.847036363346296E-13 -3.87367127199692E-11 3.849610888905174E-11 1.064088672014499E-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 12.7   n/a MPO502173  
diameter diameter 4.843 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.4 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:
[Binzel, R.P.; Mulholland, J.D. (1983) Icarus 56, 519-533.]
geometric albedo albedo 0.522   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2072 Kosmodemyanskaya           Discovered 1973 Aug. 31 by T. M. Smirnova at the Crimean Astrophysical Observatory.
Named in memory of Lubov' Timofeevna Kosmodemyanskaya (1900-1978), social worker, mother of Soviet heroes Zoya and Aleksandr Kosmodemyanskij.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5282Last Updated: 2007-10-23

[ show close-approach data ]
Alternate Designations
 1973 QE2 = 1944 BD = 1958 XY = 1962 XL1 = 1975 EL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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