Standard magnitudes for Meteor 2 & 3 satellites

Rainer Kracht (R.Kracht@t-online.de)
Thu, 4 Jan 96 18:59 +0100

 Standard magnitudes for Meteor 2 & 3 satellites
 -----------------------------------------------

 From Russell's observations (1980 Jan 01 to 1995 Nov 30) I have derived
 standard magnitudes (1000 km, 90 deg) for 15 Meteor 2 and 1 Meteor 3
 satellites. There are only few observations (marked steady and in pairs)
 for these satellites. So the derived standard magnitudes are rather 
 uncertain.


 METEOR 2-01     1975-064A     8   4.59 +/- 0.63   0.0118 +/- 0.0117
 METEOR 2-02     1977-002A     4   3.78 +/- 1.45  -0.0098 +/- 0.0324
 METEOR 2-03     1977-117A     2   3.30            0.0026           
 COSMOS 1066     1978-121A     4   6.96 +/- 0.42   0.0015 +/- 0.0255
 METEOR 2-04     1979-021A     0                                    
 METEOR 2-05     1979-095A     2   5.08            0.0471           
 METEOR 2-06     1980-073A     8   7.12 +/- 1.31   0.0645 +/- 0.0366
 METEOR 2-07     1981-043A     4   6.32 +/- 2.52   0.0359 +/- 0.0569
 METEOR 2-08     1982-025A     7   6.23 +/- 0.58   0.0470 +/- 0.0145
 METEOR 2-09     1982-116A    10   5.43 +/- 0.55   0.0024 +/- 0.0150
 METEOR 2-10     1983-109A    15   4.26 +/- 0.51   0.0017 +/- 0.0112
 METEOR 2-11     1984-072A     0                                    
 METEOR 2-12     1985-013A     2   6.19            0.0595           
 METEOR 2-13     1985-119A     4   4.52 +/- 0.27   0.0326 +/- 0.0067
 METEOR 2-14     1986-039A     2   5.23           -0.0302           
 METEOR 2-15     1987-001A     0                                    
 METEOR 2-16     1987-068A     0                                    
 METEOR 2-17     1988-005A     2   5.80            0.0009           
 METEOR 2-18     1989-018A     0                                    
 METEOR 2-19     1990-057A     0                                    
 METEOR 2-20     1990-086A     2   4.98           -0.0284           
 METEOR 2-21     1993-055A     0                                    
 -------------------------------------------------------------------
 ALL                          72   5.29 +/- 0.22   0.0178 +/- 0.0054

The RAE-Tables have for Meteor 2-01 to 2-12:
Shape and weight (kg): Cylinder + 2 vanes, 2750?
Size (m)             : 5 long?, 1.5 dia?

World Wide Launches has for Meteor 2-21:
"Satellite is a cylinder , approximately 1.4 metres diameter, 4.2 metres
 long with two vanes of solar panels, each 2 metres x 10 metres."
 Mass (kg) 2000?


 METEOR 3-01     1985-100A     4   5.73 +/- 0.14   0.0235 +/- 0.0062

The RAE-Tables have for Meteor 3 satellites:
Shape and weight (kg): Cylinder + 2 vanes, 2215
Size (m)             : 4.20 long, 1.40 dia

It seems that sizes and shapes of all Meteor satellites (from early
Meteor-Cosmos to Meteor 3) are similar. So a standard magnitude of 5.8
(derived from 837 observations of Meteor 1 satellites) could be used 
for all Meteor's. The best observed satellite is Meteor 1-28 (77-57A)
with 346 observations and a standard magnitude of 6.2.

 column 1 : name
 column 2 : international designation
 column 3 : number of observations
 column 4 : standard magnitude
 column 5 : phase coefficient


 Rainer Kracht   1996 Jan 04
 0412188960-0001@t-online.de
 R.Kracht@t-online.de