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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1814848435998971 4.3272e-08  
a 3.400739769856841 2.1374e-08 au
q 2.783557044600422 1.4768e-07 au
i 13.24684227399221 5.0859e-06 deg
node 229.4411212972384 1.9837e-05 deg
peri 205.660959005535 2.3587e-05 deg
M 32.63453594443175 1.3464e-05 deg
tp 2458392.849267218461
(2018-Oct-01.34926722)
8.492e-05 TDB
period 2290.648898107252
6.27
2.1596e-05
5.913e-08
d
yr
n .1571607068623505 1.4817e-09 deg/d
Q 4.017922495113259 2.5253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1997  
   data-arc span      29775 days (81.52 yr)  
   first obs. used      1937-11-03  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45021  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:32:59  

Additional Information
 Earth MOID = 1.80437 au 
 Jupiter MOID = 1.36034 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 10.80   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 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-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:
[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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