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3195 Fedchenko (1978 PT2)
Classification: Main-belt Asteroid          SPK-ID: 2003195
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06129562670237133 4.8505e-08  
a 2.912129912846317 1.3967e-08 au
q 2.73362908479968 1.3943e-07 au
i .8644876808646222 3.8613e-06 deg
node 274.601348745459 0.00034902 deg
peri 59.84603513063853 0.00035067 deg
M 187.4450686424775 3.565e-05 deg
tp 2460070.540400061742
(2023-May-06.04040006)		 0.00018118 TDB
period 1815.158463209997
4.97		 1.3059e-05
3.575e-08		 d
yr
n .1983297917490697 1.4269e-09 deg/d
Q 3.090630740892954 1.4823e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2396  
   data-arc span      24605 days (67.36 yr)  
   first obs. used      1953-09-07  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45101  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:08:40  

Additional Information
 Earth MOID = 1.72158 au 
 Jupiter MOID = 2.14062 au 
 T_jup = 3.280 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.63   n/a E2021B10  
diameter diameter 8.560 km 0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.264   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3195 Fedchenko (1978 PT2)          Discovered 1978-Aug-08 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1978 PT2 = 1964 WA1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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