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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1644942588837286 2.4121e-08  
a 2.4496942672231 7.0226e-09 au
q 2.046733624244518 6.0445e-08 au
i 4.736102239253835 3.2565e-06 deg
node 26.14509171315738 4.0122e-05 deg
peri 38.89429725368942 4.1768e-05 deg
M 9.73216844718066 1.2165e-05 deg
tp 2458962.640630931984
(2020-Apr-23.14063093)
4.728e-05 TDB
period 1400.445639474542
3.83
6.0221e-06
1.649e-08
d
yr
n .2570610310408584 1.1054e-09 deg/d
Q 2.852654910201683 8.1778e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2421  
   data-arc span      23334 days (63.89 yr)  
   first obs. used      1956-03-16  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:11:56  

Additional Information
 Earth MOID = 1.06252 au 
 Jupiter MOID = 2.46436 au 
 T_jup = 3.473 
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Orbital Elements at Epoch 2456773.5 (2014-Apr-26.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1637991697791014 2.4001e-08  
q 2.048492853278981 6.0078e-08 au
tp 2456158.276032963481
(2012-Aug-18.77603296)
4.5818e-05 TDB
node 26.21243407715812 4.0035e-05 deg
peri 38.21550072509147 4.1728e-05 deg
i 4.742697704400899 3.2602e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2421  
   data-arc span      23334 days (63.89 yr)  
   first obs. used      1956-03-16  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47135  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:11:56  

Additional Information
 Jupiter MOID = 2.46436 au 
 T_jup = 3.473 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.760303149330465E-16 -1.435168123818825E-15 -1.618623785956019E-14 -1.347845288770393E-15 1.947860656440784E-16 -1.58723252794337E-16
q -1.435168123818825E-15 3.609370529136453E-15 5.052455715285294E-14 3.062714863265796E-15 6.337360641208954E-15 4.658253850813162E-16
tp -1.618623785956019E-14 5.052455715285294E-14 2.099281577848285E-9 4.829780449325554E-12 5.499002516568352E-10 -4.697608745220848E-13
node -1.347845288770393E-15 3.062714863265796E-15 4.829780449325554E-12 1.602824823731909E-9 -1.595873624000252E-9 -3.837834949848215E-11
peri 1.947860656440784E-16 6.337360641208954E-15 5.499002516568352E-10 -1.595873624000252E-9 1.741257115933537E-9 3.814274526674951E-11
i -1.58723252794337E-16 4.658253850813162E-16 -4.697608745220848E-13 -3.837834949848215E-11 3.814274526674951E-11 1.062893506129609E-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

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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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