ESTCube-1

Estonian Cubesat ESTCube-1

ESTCube-1 is the first Estonian satellite and it is being built in Estonia by students from Tartu University, Estonian Aviation Academy, Tallinn University of Technology and University of Life Sciences. The project started in 2008 and is currently being assembled and tested. The satellite will be launched in April 2013. The satellite's payload has been developed in conjunction with Finnish Meteorological Institute and German Space Center (DLR). The main mission of the satellite is to test the electric solar wind sail, a novel space propulsion technology that could revolutionalize transportation within the solar system. As Estonia's first satellite, the project will also be used to build Estonian infrastructure for future space projects and to educate space engineers. The satellite is a cubesat measuring 10 x 10 x 10 cm and weighing 1.33 kg. EstCube-1 will fly as a secondary payload on the VESPA secondary payload platform.



NASA-Catalog: 39161

Downlink

437.505 MHz FM 9k6 FSK AX.25

Beacon

437.250 MHz CW 18 wpm

Call

ES5E/S

Status

ACTIVE

Orbital Parameter

NORAD                   39161
COSPAR designator       2013-021-C  
Inclination             98.129
RA of A. Node           205.990
Eccentricity            0.0008586
Argument of Perigee     231.415
Revs per day            14.68885660
Period                  1h 38m 02s (98.3 min)
Semi-major axis         7 043 km
Perigee x Apogee        659 x 671 km
BStar (drag term)       0.000000000 1/ER
Mean anomaly            242.573


Telemetry

hex value <-> CW
0=t  1=w  2=u  3=s  4=h  5=5  6=6  7=m  8=z  9=n  10=a  11=b  12=c  13=d  14=e  15=f
normal beacon mode
ES5E/S E AAAAAAA BBCCDD EEFF GGG HIIJJ KKLLMM NNOO K

AAAAAAA      EPS timestamp 28 lowest bit UNIX timestamp      [DD.MM.YYYY HH:MM:SS]
BB     Main bus voltage           N (uint 8)                 [V]
CC     Average power balance      N (signed int 8)           [W]
DD     Battery A voltage          N (uint 8)                 [V]
EE     Battery B voltage          N (uint 8)                 [V]
FF     Battery A temperature      N (uint 8)                 [V]
GGG    Spin rate Z                (N*720)/2047 (signed int 12)      [deg/s]
H      Received signal strength   N (signed int 4)           [dBm]
II     Satellite mission phase    bit 6-7N (int 2)   [0="Detumbling", 1="Nadir pointing", 
                                                      2="Tether deployment", 
                                                      3="E-sail force measurement"]
Time since last reset:     CDHS   bit 4-5      N (uint 2)          [Hours]
                           COM    bit 2-3      N (uint 2)          [Hours]
                           EPS    bit 0-1      N (uint 2)          [Hours]
JJ     Tether current             N*5/255 (uint 8)           [mA]
KK     Time since last error:ADCS bit 6-7      N (uint 2)          [Hours]
                           CDHS   bit 4-5      N (uint 2)          [Hours]
                           COM    bit 2-3      N (uint 2)          [Hours]
                           EPS    bit 0-1      N (uint 2)          [Hours]
LL     CDHS System status  bit 2-7      Last error (uint 6)[Error code number]
                                  bit 0-1 Parameter (uint 2) [Raw value]
MM     EPS System status          N      Last error (uint 8)       [Error code number]
NN     ADCS System status         bit 2-7 Last error (uint 6)       [Error code number]
                                  bit 0-1 Parameter (uint 2) [Raw value]
OO     COM System status          bit 2-7 Last error (uint 6)       [Error code number]
                                  bit 0-1 Parameter (uint 2) [Raw value]
safe mode beacon
ES5E/S T AAAAAAA BBCCDD EEEE FFGGHH IIJJKK LLMMNN OPQQ RRSS KN

AAAAAAA      EPS timestamp        28 lowest bit UNIX timestamp      [DD.MM.YYYY HH:MM:SS]
BB     Error code 1               N (uint 8)                 [Error code number]
CC     Error code 2               N (uint 8)                 [Error code number]
DD     Error code 3               N (uint 8)                 [Error code number]
EEEE   Time in safe mode          N (uint 16)                [Minutes]
FF     Main bus voltage           N (uint 8)                [V]
GG     Status 1                   bit 7  CDHS A state        [0=OK, 1=FAULT]
                                  bit 6  CDHS B state        [0=OK, 1=FAULT]
                                  bit 5  CDHS BSW state             [0=OK, 1=FAULT]
                                  bit 4  COM 3V3 state       [0=OK, 1=FAULT] 
                                                             also defines the condition of uplink
                                  bit 3  PL 3V3 state        [0=OK, 1=FAULT]
                                  bit 2  PL 5V state         [0=OK, 1=FAULT]
                                  bit 1  CAM state           [0=OK, 1=FAULT]
                                  bit 0  ADCS state          [0=OK, 1=FAULT]
HH     Status 2                   bit 7  Battery A charging  [0=OK, 1=FAULT]
                                  bit 6  Battery A discharging      [0=OK, 1=FAULT]
                                  bit 5  Battery B charging  [0=OK, 1=FAULT]
                                  bit 4  Battery B discharging      [0=OK, 1=FAULT]
                                  bit 3  TBD                 [0=?, 1=?]
                                  bit 2  TBD                 [0=?, 1=?]
                                  bit 1  TBD                 [0=?, 1=?]
                                  bit 0  TBD                 [0=?, 1=?]
II     Status 3                   bit 7  SPB A regulator     [0=OK, 1=FAULT]
                                  bit 6  SPB B regulator     [0=OK, 1=FAULT]
                                  bit 5  3V3 A regulator     [0=OK, 1=FAULT]
                                  bit 4  3V3 B regulator     [0=OK, 1=FAULT]
                                  bit 3  5V A regulator             [0=OK, 1=FAULT]
                                  bit 2  5V B regulator             [0=OK, 1=FAULT]
                                  bit 1  12V A regulator     [0=OK, 1=FAULT]
                                  bit 0  12V B regulator     [0=OK, 1=FAULT]
JJ     Battery A voltage          N (uint 8)                 [V]
KK     Battery B voltage          N (uint 8)                 [V]
LL     Battery A temperature      N (uint 8)                 [V]
MM     Battery B temperature      N (uint 8)                 [V]
NN     Power balance              N (signed int 8)           [W]
O      Firmware version           N (uint 4)                 [Version number]
P      Crash counter              N (uint 4)                 [Number of crashes]
QQ     Forwarded RF power         N (signed int 8)           [dBm]
RR     Reflected RF power         N (signed int 8)           [dBm]
SS     Received signal strength   N (signed int 8)           [dBm]

received CW beacons

09:12 UTC es5e/s t wmtc5et zfhb6e attt dntttt ttfsfs 5a5ntt tttz tztt kn
09:15 UTC es5e/s t wmtc6nz zfhb6e tttt datttt ttfsfs 5b5att ttt8 tztt kn
09:18 UTC es5e/s t wmtcm5t zf5bbe tttt dntttt ttfsfs 5c5btt tttz tztt kn

10:47 UTC es5e/s t wmtdccu zfhb6e tttt datttt ttfhfh 5n5ztt tttz tztt kn
10:50 UTC es5e/s t wmtdcew zfhb6e tttt dbtttt ttfhf5 5a5ntt tttz tztt kn
10:53 UTC es5e/s t wmtddnn zfhb6e tttt datttt ttfhfh 5b5att tttz tztt kn
10:56 UTC es5e/s t wmtde5w zfhb6e tttt dbtttt ttfhf5 5c5btt tttz tztt kn
10:59 UTC es5e/s t wmtdfen zfhb6e tttt datttt ttfhfh 5..dtt tttz tztt kn

first pass over Europe - 7 May 2013

Links und weitere Informationen

http://www.estcube.eu/en/mission/what-is-estcube-1

ESTCube-1
ESTCube-1

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