Author Topic: LIVE: PSLV C38 - Cartosat-2E & 30 nanosats - June 23, 2017 (03:59 UTC)  (Read 76507 times)

Offline sanjaykumar

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Re: Cartosat-2E & 36 nanosats - PSLV-C38 - June 23, 2017
« Reply #40 on: 06/19/2017 10:56 am »
Images gallery published by ISRO
« Last Edit: 06/19/2017 11:01 am by sanjaykumar »

Offline sanjaykumar

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Re: Cartosat-2E & 36 nanosats - PSLV-C38 - June 23, 2017
« Reply #41 on: 06/19/2017 11:02 am »

Offline sanjaykumar

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Offline vineethgk

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Re: Cartosat-2E & 36 nanosats - PSLV-C38 - June 23, 2017
« Reply #43 on: 06/19/2017 04:39 pm »
Link to the gallery:
http://www.isro.gov.in/pslv-c38-cartosat-2-series-satellite/pslv-c38-cartosat-2-series-satellite-gallery

Mission brochure is out too:
http://www.isro.gov.in/pslv-c38-cartosat-2-series-satellite/pslv-c38-cartosat-2-series-satellite-brochure

With a total payload mass of 955 kg and target orbit of 505 km SSO, I'm not sure why they went for an XL configuration with those strapons. It appears well within the ability of CA variant, unless a customized payload adapter has added extra mass.
« Last Edit: 06/19/2017 04:41 pm by vineethgk »

Offline vineethgk

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Re: Cartosat-2E & 36 nanosats - PSLV-C38 - June 23, 2017
« Reply #44 on: 06/19/2017 04:44 pm »
Quote
India's Polar Satellite Launch Vehicle, in its 40th flight (PSLV-C38), will launch the 712 kg Cartosat-2 series satellite for earth observation and 30 co-passenger satellites together weighing about 243 kg at lift-off into a 505 km polar Sun Synchronous Orbit (SSO). PSLV-C38 will be launched from the First Launch Pad (FLP) of Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota. This will be the seventeenth flight of PSLV in 'XL' configuration (with the use of solid strap-on motors).

The co-passenger satellites comprise 29 Nano satellites from 14 countries namely, Austria, Belgium, Chile, Czech Republic, Finland, France, Germany, Italy, Japan, Latvia, Lithuania, Slovakia, United Kingdom, and United States of America as well as one Nano satellite from India. The total weight of all these satellites carried on-board PSLV-C38 is about 955 kg.
Source

Offline input~2

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Re: Cartosat-2E & 36 nanosats - PSLV-C38 - June 23, 2017
« Reply #45 on: 06/19/2017 08:07 pm »
Quote from:  ISRO
PSLV-C38 / Cartosat-2 Series Satellite Mission is scheduled to be launched on June 23, 2017 at 09:29 hrs, IST from SDSC SHAR
T0 = 03:59 UTC

Offline vineethgk

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PSLV-C38 to lower its altitude after separation of Cartosat-2E to inject other satellites
PSLV-C38 upper stage to maneuver to a lower altitude after separation of satellites presumably as a test for a future mission

http://www.deccanchronicle.com/science/science/200617/isro-to-lower-rockets-altitude.html

Quote
Director, Vikram Sarabhai Space Centre, Dr Sivan said the plan was to lower the altitude of the rocket in space from 500 km to 350 km to launch the satellites in different orbits. The fourth stage will be kept active till it makes 10 orbits around the earth. Earlier, the fourth stage of the rocket that had launched 20 satellites in one go on June 22, 2016, was cut off for 16 minutes and 30 seconds after the lift-off. The 20 satellites were injected into the same orbit.

Before that, scientists had re-started the fourth-stage engine of the PSLV for four seconds after the rocket injected six Singapore satellites into the same orbit on December 16, 2015. These experiments came in handy for Isro to place eight satellites in different orbits from the fourth stage of the PSLV-C35 on September 26, 2016.
« Last Edit: 06/20/2017 02:44 am by vineethgk »

Offline vineethgk

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Higher res photos of Cartosat-2E and rocket integration
Source

Offline vineethgk

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PSLV-C38 to lower its altitude after separation of Cartosat-2E to inject other satellites

http://www.deccanchronicle.com/science/science/200617/isro-to-lower-rockets-altitude.html

Quote
Director, Vikram Sarabhai Space Centre, Dr Sivan said the plan was to lower the altitude of the rocket in space from 500 km to 350 km to launch the satellites in different orbits. The fourth stage will be kept active till it makes 10 orbits around the earth. Earlier, the fourth stage of the rocket that had launched 20 satellites in one go on June 22, 2016, was cut off for 16 minutes and 30 seconds after the lift-off. The 20 satellites were injected into the same orbit.
I guess I sort of misunderstood the report. The brochure indeed says the last customer satellite separates at ~510 km altitude. This maneuver post-separation of satellites is apparently meant as a test for a future mission involving a satellite that requires such a low orbit.

Offline Steven Pietrobon

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The list of other satellites are

Aalto 1
CE-SAT 1
CICERO 6
D-Sat
Lemur-2 34
Lemur-2 35
Lemur-2 36
Lemur-2 37
Lemur-2 38
Lemur-2 39
Lemur-2 40
Lemur-2 41
Max Valier Sat
NIUSAT (Keralshree)
ROBUSTA 1B
skCUBE
Suchai 1
Tyvak 53b
Venta 1
3 Diamonds
  Blue Diamond
  Green Diamond
  Red Diamond
QB50-IOD
  COMPASS 2 (DE04, DragSail-CubeSat)
  InflateSail (GB06)
QB50-S
  LituanicaSAT 2 (LT01)
  NUDTSat (CN06, BE06)
  PEGASUS (AT03)
  UCLSat (GB03)
  URSA MAJOR (IT02)
  VZLUsat 1 (CZ02)
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline input~2

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INDIAN OCEAN.
BAY OF BENGAL.
INDIA.
DNC 03.
1. HAZARDOUS OPERATIONS 0330Z TO 0730Z DAILY
23 THRU 25 JUN:
A. IN AREA WITHIN TEN MILES OF 13-43.9N 080-14.2E.
B. IN AREA BOUND BY
13-10N 080-25E, 13-25N 080-40E,
12-45N 081-15E, 12-30N 081-00E.
C. IN AREA BOUND BY
11-45N 081-20E, 12-10N 081-50E,
10-45N 082-55E, 10-20N 082-25E.
D. IN AREA BOUND BY
10-15N 082-30E, 10-40N 083-00E,
09-50N 083-35E, 09-25N 083-05E.
E. IN AREA BETWEEN
08-25N 07-15N AND 083-20E 083-55E.
F. IN AREA BOUND BY
03-00S 081-10E, 03-20S 082-30E,
07-05S 081-35E, 06-45S 080-15E.
G. IN AREA BOUND BY
29-45S 073-35E, 30-25S 076-10E,
39-55S 073-40E, 39-15S 071-05E.
2. CANCEL THIS MSG 250830Z JUN 17.//

Authority: NAVAREA VIII 458/17 161132Z JUN 17.

Date: 180353Z JUN 17
Cancel: 25083000 Jun 17
« Last Edit: 06/21/2017 07:35 am by input~2 »

Offline vineethgk

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Quote
Mission Readiness Review (MRR) committee and Launch Authorisation Board (LAB) have cleared the 28 hr countdown of PSLV-C38/Cartosat-2 Satelite Series mission for Thursday, June 22,2017 starting at 05:29 hr IST and the launch of PSLV-C38 / Cartosat2 Satellite Series mission for Friday, June 23, 2017 at 09:29 hr IST
Source
« Last Edit: 06/21/2017 04:38 pm by vineethgk »

Offline vineethgk

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Quote
The 28 hr countdown operation of PSLV-C38/Cartosat2 Series Satellite Mission has started on Thursday, June 22, 2017 at 05:29 hr IST
Source

Offline vineethgk

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Propellant filling operation of fourth stage (PS4) of PSLV-C38 is under progress
Source

Offline vineethgk

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Offline vineethgk

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Offline maint1234

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So no docking experiment on this mission ?

Offline Skyrocket

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So no docking experiment on this mission ?

No.

Offline vineethgk

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Quote
Propellant filling operation of fourth stage (PS4) of PSLV-C38 is completed
Source



Offline Jarnis

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The list of other satellites are

Aalto 1

Horray for the first Finnish satellite. Getting the ride to orbit after the second Finnish satellite already got deployed *and* stopped working (Aalto 2 got to ISS on the Cygnus, was deployed and few weeks later ended up no longer responding to commands)

Was originally booked on Falcon 9 along with Formosat, but moved to this rocket after SpaceX delays due to certain unfortunate event that kinda wrecked the schedule last autumn.

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