NROL-108 – Falcon 9 (1059.5) – Канаверал SLC-40 – 17.12.2020

Автор lev_g, 06.10.2020 13:46:53

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tnt22

Официально от NRO

Цитата NRO @NatReconOfc 3 ч. назад

Gorillas are peaceful animals but can be fierce when necessary. Like the gorilla, our #NROL108 mission is constantly vigilant and ready to defend its own, demonstrating NRO's commitment to protecting U.S. warfighters, interests, and allies. Launch scheduled NET Dec. 17 w/ @SpaceX

Пуск не ранее 17 декабря 2020 г.

tnt22

К #13 - обновлено

Уведомление мореплавателям, пусковое окно расширено на 1 час

NOTMAR
ЦитатаNAVAREA IV 1201/20

WESTERN NORTH ATLANTIC.
FLORIDA.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
    171355Z TO 171752Z DEC, ALTERNATE
    181355Z TO 181752Z DEC
    IN AREAS BOUND BY:
        A. 28-39-43N 080-38-12W, 29-02-00N 080-15-00W,
            28-57-00N 080-08-00W, 28-40-00N 080-11-00W,
            28-27-00N 080-24-00W, 28-26-52N 080-32-07W.
        B. 30-12-00N 079-06-00W, 30-28-00N 078-56-00W,
            30-54-00N 078-52-00W, 31-14-00N 078-13-00W,
            31-06-00N 077-36-00W, 30-47-00N 077-22-00W,
            30-27-00N 077-26-00W, 30-08-00N 078-20-00W,
            30-03-00N 078-58-00W.
2. CANCEL THIS MSG 181852Z DEC 20.//

Authority: EASTERN RANGE 080356Z DEC 20.

Date: 120329Z DEC 20
Cancel: 18185200 Dec 20

Пусковой день  - 17 декабря 2020 г. с 13:55 до 17:52 UTC / с 16:55 до 20:52 ДМВ
Резервный день - 18 декабря 2020 г. в то же пусковое окно

tnt22

Прогноз погоды L-3 на 17 декабря 2020 г. (UTC)

Falcon 9 NROL-108 L-3 Day Forecast


Цитата: 45 SWПусковой день   (17.12) - 60 % GO. Пусковое окно с 14:00 до 17:00 UTC
Резервный день (18.12) - 80 % GO

tnt22

К #21 - зона затопления 2-й ст РН

NOTMAR
ЦитатаNAVAREA XII 564/20 / HYDROPAC 3673/20

EASTERN PACIFIC.
1. HAZARDOUS OPERATIONS, SPACE DEBRIS
    171508Z TO 171841Z DEC, ALTERNATE
    181508Z TO 181841Z DEC
    IN AREA BOUND BY
        12-27S 135-24W, 11-03S 135-01W,
        04-31N 125-02W, 12-23N 118-23W,
        11-34N 117-22W, 01-11N 123-20W,
        11-32S 132-38W, 13-10S 134-27W.
2. CANCEL THIS MSG 181941Z DEC 20.//

Authority: EASTERN RANGE 080339Z DEC 20.

Date: 120414Z DEC 20
Cancel: 18194100 Dec 20

tnt22

Цитата Stephen Clark @StephenClark1 31 мин. назад

Launch Hazard Area for the final Florida launch of the year -- a Falcon 9 rocket from pad 39A is set to launch Thursday with the NROL-108 mission.

The booster will land back at LZ-1 at Cape Canaveral Space Force Station.


tnt22


Rediska

15.12.2020 20:05:31 #26 Последнее редактирование: 15.12.2020 20:22:17 от Space_Rediska
Цитата: undefinedhttps://sattrackcam.blogspot.com/2020/12/nrol-108-another-mystery-launch-perhaps.html

NROL-108: another mystery launch perhaps similar to NROL-76 (USA 276)?

On 17 December 2020, SpaceX will launch a classified payload for the National Reconnaissance Office (NRO). The launch, from Cape Canaveral platform 39A in Florida, is designated NROL-108. The Navigational Warnings window opens at 13:55 UT and closes at 17:52 UT, pointing to launch somewhere between ~14:00-17:45 UT. The first stage will attempt to do a RTLS (return-to-launch-site).
NROL-108 is very odd as it was a surprise addition to the launch schedule in early October 2020, seemingly coming out of nowhere. It was originally slated for launch on October 25, but was postponed to December. The character of the mission is a mystery: this looks to be something new again.

The following Navigational Warnings have appeared for the launch hazard areas and the Falcon 9 upper stage deorbit area:

 NAVAREA IV 1201/20
 WESTERN NORTH ATLANTIC.
 FLORIDA.
 1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
    171355Z TO 171752Z DEC, ALTERNATE
    181355Z TO 181752Z DEC
 IN AREAS BOUND BY:
 A. 28-39-43N 080-38-12W, 29-02-00N 080-15-00W,
    28-57-00N 080-08-00W, 28-40-00N 080-11-00W,
    28-27-00N 080-24-00W, 28-26-52N 080-32-07W.
 B. 30-12-00N 079-06-00W, 30-28-00N 078-56-00W,
    30-54-00N 078-52-00W, 31-14-00N 078-13-00W,
    31-06-00N 077-36-00W, 30-47-00N 077-22-00W,
    30-27-00N 077-26-00W, 30-08-00N 078-20-00W,
    30-03-00N 078-58-00W.
 2. CANCEL THIS MSG 181852Z DEC 20.//


 HYDROPAC 3673/20
 EASTERN PACIFIC.
 DNC 06, DNC 13.
 1. HAZARDOUS OPERATIONS, SPACE DEBRIS
    171508Z TO 171841Z DEC, ALTERNATE
    181508Z TO 181841Z DEC
 IN AREA BOUND BY
    12-27S 135-24W, 11-03S 135-01W,
    04-31N 125-02W, 12-23N 118-23W,
    11-34N 117-22W, 01-11N 123-20W,
    11-32S 132-38W, 13-10S 134-27W.
 2. CANCEL THIS MSG 181941Z DEC 20.//

These hazard areas plotted on a map:

The time window for the upper stage deorbit and the fact that the first stage will attempt an RTLS point to a launch into Low Earth Orbit. The launch direction and the location of the Falcon 9 upper stage deorbit area point to a launch into an orbit with an orbital inclination near 52 degrees.

The location of the launch hazard areas is somewhat similar to the launch hazard area for the May 2017 mystery launch of USA 276 (NROL-76). In the map below, the two hazard areas for NROL-108 are in red, while the launch hazard area for NROL-76 (USA 276) from May 2017 is in blue:



USA 276/NROL-76 was a mystery NRO launch, like NROL-108 launched by SpaceX, in May 2017, that raised eyebrows because the payload made a series of very close flyby's of the International Space Station a month after launch (see my July 2017 article in The Space Review).

USA 276 went, as subsequent orbital observations of the payload by our amateur network showed, into a ~400 km altitude, 50-degree inclined orbit, so a 50-degree inclined orbit is perhaps also an option for NROL-108.

Such a 50-degrees inclined orbit does not match well with the position of the deorbit zone for the Falcon 9 upper stage. The latter will be deorbitted over the eastern Pacific near the end of the first revolution, the Navigational Warnings show. So for now, the 52-degree inclination (give or take a degree) looks a bit more likely. Still, I do not want to rule out a 50-degree inclined orbit altogether, as the Falcon 9 upper stage might end up in a somewhat different orbit than the payload

In May 2017, USA 276 was launched into an orbital plane very close to that of the ISS, which resulted in the close encounters a month later.

The launch window for NROL-108 (~14:00-17:50 UT) rules out that NROL-108 will do something similar: the ISS orbital plane does not pass over or near the launch site during this time window.

It is possible however that NROL-108 aims for an orbital plane near that of USA 276. The orbital plane of USA 276, which due to orbital precession over the past 3 years no longer is close to that of the ISS, passes over Cape Canaveral Launch Pad 39A near 17:02 UT, inside the NROL-108 launch window. This opens up the possibility that NROL-108 is perhaps a close approach target for USA 276, or USA 276 is a close approach target for NROL-108 (but that is pure and wild speculation: Caveat Emptor).

It will be interesting to see in which orbit NROL-108 will end up. As I have remarked with some launches earlier  this year, the latest NRO launches all seem to be  'new' kinds of payloads that are likely experimental/Mission demonstrators, and which go into 'new' kinds of orbits: lately we have frequently seen orbital inclinations near 50-degrees and odd orbital altitudes (either very low or very high). NROL-108 will certainly go into a Low Earth Orbit, and it will be interesting to see what the exact launch time will be, whether it will go into a 400 km orbit similar to the orbital altitude of USA 276, and what the eventual orbital inclination will be.

tnt22

К#21, #23

Цитата Raul @Raul74Cz 4 ч. назад

Launch Hazard Areas for #SpaceX #NROL-108 mission, planned for Dec 17 UTC, alternatively Dec 18. LZ1 landing for B1059.5. Estimated fairing recovery position ~328km downrange. S2 debris reentry in Eastern Pacific in window corresponds to the first orbit. http://bit.do/LHA12



tnt22

Прогноз погоды L-2 на 17 декабря 2020 г. (UTC)

Falcon 9 NROL-108 L-2 Day Forecast


Цитата: 45 SWПусковой день   (17.12) - 70 % GO
Резервный день (18.12) - = 80 % GO

tnt22

Цитата Gavin - SpaceXFleet.com @SpaceXFleet 11 ч. назад

GO Searcher is outbound for the NROL-108 mission for another fairing recovery operation.

It has been less than four hours since the ship returned from the SXM-7 mission with a fairing half!

Photo from @NASASpaceflight Fleetcam


tnt22

Прогноз погоды L-1 на 17 декабря 2020 г. (UTC)

Falcon 9 NROL-108 L-1 Day Forecast


Цитата: 45 SWПусковой день   (17.12) - = 70 % GO
Резервный день (18.12) - = 80 % GO

tnt22

Цитата Emre Kelly @EmreKelly 2 ч. назад

Falcon 9 / NROL-108 going vertical at 39A:


tnt22

Цитата Gavin - SpaceXFleet.com @SpaceXFleet 1 ч. назад

Ms. Tree is outbound from Port Canaveral for tomorrow morning's NROL-108 mission.

It's about a 12-hour voyage to the fairing recovery site, ~328 km downrange.

Booster will RTLS to LZ-1.

Photo via @NASASpaceflight Fleetcam: youtu.be/gnt2wZBg89g


Pirat5

COUNTDOWN
All Times Are Approximate

HR/MIN/SEC   EVENT
00:38:00   SpaceX Launch Director verifies go for propellant load
00:35:00   RP-1 (rocket grade kerosene) loading underway
00:35:00   1st stage LOX (liquid oxygen) loading underway
00:16:00   2nd stage LOX loading underway
00:07:00   Falcon 9 begins engine chill prior to launch
00:01:00   Command flight computer to begin final prelaunch checks
00:01:00   Propellant tank pressurization to flight pressure begins
00:00:45   SpaceX Launch Director verifies go for launch
00:00:03   Engine controller commands engine ignition sequence to start
00:00:00   Falcon 9 liftoff

Pirat5

LAUNCH AND LANDING
All Times Are Approximate

HR/MIN/SEC   EVENT
00:01:12   Max Q (moment of peak mechanical stress on the rocket)
00:02:18   1st stage main engine cutoff (MECO)
00:02:22   1st and 2nd stages separate
00:02:30   2nd stage engine starts
00:02:35   Boostback burn
00:02:41   Fairing deployment
00:06:23   1st stage entry burn begins
00:08:15   1st stage landing

tnt22

Цитата SpaceX @SpaceX 4 ч

Targeting Thursday, December 17 for Falcon 9 launch of NROL-108 for @NatReconOfc. The three-hour launch window opens at 9:00 a.m. EST, and weather is 70% favorable → http://spacex.com/launches


tnt22

17.12.2020 09:32:18 #36 Последнее редактирование: 17.12.2020 09:44:10 от tnt22
https://www.spacex.com/launches/

ЦитатаNROL-108 MISSION

SpaceX is targeting Thursday, December 17 for launch of the NROL-108 mission, which will launch from Launch Complex 39A (LC-39A) at Kennedy Space Center, Florida. The three-hour launch window opens at 9:00 a.m. EST, or 14:00 UTC, and a backup launch opportunity is available on Friday, December 18 with a three-hour launch window opening at 9:00 a.m. EST, or 14:00 UTC.

Falcon 9's first stage booster previously supported launch of SpaceX's 19th and 20th cargo resupply missions to the International Space Station, a Starlink mission, and the SAOCOM 1B mission. Following stage separation, SpaceX will land Falcon 9's first stage on Landing Zone 1 at Cape Canaveral Space Force Station in Florida.
1-я ст РН - B1059.5

tnt22


tnt22

О трансляции пуска

ЦитатаNROL-108 Mission


... a live webcast of this mission ... will begin about 15 minutes prior to liftoff
Начало трансляции - 17 декабря 2020 г. в 13:45 UTC / 16:45 ДМВ

tnt22

Цитата Falcon 9 Block 5 @Falcon9Block5 2 ч. назад

#SpaceX #NROL108 Countdown NET Update: T-10:00:00
Countdown Initiation, Launch Vehicle Power-Up. Weather is 70% GO and the teams are tracking no issues on #Falcon9.