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2266 Tchaikovsky (1974 VK)
Classification: Outer Main-belt Asteroid          SPK-ID: 2002266
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813814950813052 3.8272e-08  
a 3.399079337029811 2.0073e-08 au
q 2.782549244979372 1.2895e-07 au
i 13.24756272161757 4.6765e-06 deg
node 229.4324215854996 1.9387e-05 deg
peri 205.5254590762449 2.3195e-05 deg
M 95.66568512966292 1.3573e-05 deg
tp 2458392.233267671316
(2018-Sep-30.73326767)
8.4199e-05 TDB
period 2288.97146705772
6.27
2.0276e-05
5.551e-08
d
yr
n .1572758792239336 1.3931e-09 deg/d
Q 4.01560942908025 2.3714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2178  
   data-arc span      30042 days (82.25 yr)  
   first obs. used      1937-11-03  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44802  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:16:47  

Additional Information
 Earth MOID = 1.8035 au 
 Jupiter MOID = 1.36333 au 
 T_jup = 3.078 
[ show covariance matrix ]

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 10.7   n/a MPO502175 IRAS observations used: 6
diameter diameter 46.94 km 6.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6
rotation period rot_per 37.7 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:
[Warner, B.D. (2011) Minor Planet Bull. 38, 96-101.]
geometric albedo albedo 0.0384   0.013 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6
B-V BV 0.752   0.049 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.38, mean=3.98, max.=4.58) deg.
U-B UB 0.245   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.38, mean=3.98, max.=4.58) deg.
Tholen spectral type spec_T D   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

2266 Tchaikovsky (1974 VK)          Discovered 1974-Nov-12 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1974 VK = 1937 VM = 1937 VQ = 1943 UH = 1951 AY1 = 1955 QY = 1962 WM2 = 1973 QH 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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