Registry > Pacific > 175.4°E | Compare

slot_175-4e.htm

175.4°EChina Academy of Space Technology (CAST), US DoD

China Academy of Space Technology (CAST) is the registry operator, with 3 satellites on station and an FCC license (1 row).

Occupancy ±0.4°: China Academy of Space Technology (CAST) 1/3 · US DoD 1/3.

3on station

1FCC rows

1UCS vs TLE

2026-11-01latest TLE

On stationUnrecorded in ClarkeBrought into use (in-orbit + FCC record)

TLE epoch 2026-11-01. FCC 2026-09-27. UCS 2023-04-07. Position disagreement.

Who is on station

On station

3 satellites

±0.4° TLE-primary. Majority China Academy of Space Technology (CAST) (1/3).

Data as of 2026-11-01 · Space-Track TLE (primary) + UCS Satellite Database (fallback)

Registry operator: China Academy of Space Technology (CAST)
Window majority: China Academy of Space Technology (CAST)
Operator mix: China Academy of Space Technology (CAST) 1/3 · US DoD 1/3
Country: —
Purpose: Technology Development
Status: On station
Position source: 3 TLE / 0 UCS fallback
Remaining life: Late life · ~2.1y remaining (n=1)
Coverage proxy: Pacific · GDP 0.55 · pop 0.45

Source operator strings (UCS)

China Academy of Space Technology (CAST): China Academy of Space Technology (CAST)
US DoD: Military Satellite Communications - US Air Force. UCS US military strings, including MUOS (DoD/US Navy). Not a single program office. Unknown US agency stays unknown. Federal Government (Reserved) is an FCC reservation placeholder, not an operator.

Co-located satellites (3)

Satellite	Operator	Purpose	UCS lon	TLE lon	Δ	TLE epoch	Launched
Wideband Global Satcom 7 (WGS-7, USA 263) TLE occupancy	US DoD	Communications	175.0°E	175.0°E	0.1°	2026-11-01 (1d)	2015
TJS-3 (Tongxin Jishu Shiyan 3)Dispute TLE occupancy	China Academy of Space Technology (CAST)	Technology Development	59.0°E	175.4°E	116.4°	2026-10-29 (4d)	2018
TJS-23 TLE occupancy	Unknown	—	—	175.5°E	—	2026-10-31 (2d)	2025

Positions are from Space-Track TLE inside a 0.4° window. A TLE longitude is where the satellite is, not an FCC or ITU assignment.

FCC filings near 175.4°E

Rights

License / FCC

brought into use

1 FCC rows

FCC SSAL + UCS occupancy · Sep 27, 2026

Recorded rights (FCC)

Recorded public layers only. FCC SSAL when present; otherwise inferred administration/operator. ITU filings are not in this product. ITU Space Explorer is the current ITU source.

National administration
V
Gibraltar
FCC lists administration as Gibraltar.
FCC Approved Space Station List · Sep 27, 2026
recorded
Operator license
V
SES
1 FCC authorization · S3037 · SES (SES Americom, Inc.).
FCC Approved Space Station List · Sep 27, 2026
recorded

FCC / license signals (1)

Satellite	Licensee	Service	Call sign
NSS-11	SES	FSS	S3037

FCC Approved Space Station List · Sep 27, 2026 · class V

Freshness

TLE epoch

2026-11-01

TLE epoch is within 45 days. FCC 2026-09-27 · UCS 2023-04-07.

FCC Approved Space Station List · Sep 27, 2026

Congestion 43 · Moderate · 3 co-located

Clarke congestion v0 ← TLE-primary occupancy longitudes · Nov 1, 2026

Labeled model

Labeled modelImplied value, comps, and model pathNot occupancy or rights

Modeled dollars from valuation v0. Not a live market price, not a trade, and not an FCC or ITU record.

Implied fair value

Fair value (v0)

n/c

Not commercially valued

Clarke valuation v0 (model) · Nov 1, 2026

UCS classifies this satellite's users as "Government". Raw model range $18M–$54M is shown for inspection only.

No trade tape. Seeded model-path sparklines are Experimental, not default Terminal.

Arc desirability	Pacific (thin demand)	×0.80
Coverage (GDP/pop)	Pacific · GDP 0.55 · pop 0.45	×0.82
Occupancy	3 co-located satellites (TLE-primary ±0.4°)	×1.36
Remaining life	Late life · ~2.1y remaining (n=1)	×0.96
Operator	Regional / other operator	×1.05
Spectrum	No band data (UCS-derived)	×1.00
Scarcity	Congestion score 43	×1.22
License / BIU	Brought into use (in-orbit + FCC record) · US market access	×1.10
Ownership	UCS classifies this satellite's users as "Government" — not a leasable commercial position; figures below are the model's raw output, not a market estimate	×1.00

Driver breakdown is Pro

Driver breakdown, compare, and export sit on a paid seat. Registry access is free.

Pricing Sign in

Valuation v0 is a model-based implied fair-value range from public registry data, not a live market price, appraisal, or offer to transact. Methodology · Valuation v0 · Data trust

Nearest comps

Positions outside this slot's ±0.4° occupancy window. Not transaction comps.

Slot	Operator	Δ	Sats	Cong.	Fair value
176°E	SES	0.6°	1	28	$32M
174°E	Eutelsat	1.4°	1	33	$32M
177.3°E	China Aerospace Science and Technology Corp. (CASC)	1.9°	1	33	n/c
178°E	Inmarsat	2.6°	1	33	$29M
172.5°E	US DoD	2.9°	2	33	n/c
178.5°E	Shanghai Academy of Spaceflight Technology	3.1°	1	28	n/c

Model path

Seeded v0 path. Not observed trades, not a price index.

$36M

2026-11-01 · synthesized · model backfill, not trades

This chart shows 7 days of the model path. Pricing

ExperimentalUnrecorded layers (ITU filings are not in this product; sub-lease stub)Not default Terminal

This block is quarantined from the default Slot Terminal. It is a labeled stub or simulation, not recorded public occupancy or FCC data, and it is not a market. ITU filings are not in this product.

Quarantined stubs. ITU filings are not in this product. ITU Space Explorer is the current ITU source. These rows reserve the rights-chain shape; they are not live filings or named lessees.

ITU filing
S
Not recorded in Clarke
ITU filings are not in this product. ITU Space Explorer is the current ITU source. SNS Online shut down in January 2025. Quarantined stub. A filled ITU network panel would look like a deed; this row is not one.
Clarke stub (ITU filings are not in this product) · Sep 27, 2026 · ITU filing: not recorded in Clarke
stub
Sub-lease / capacity lease
S
No public sub-lease registry
Quarantined stub. There is no public feed of transponder or payload sub-leases. This layer is reserved for operator-disclosed or future marketplace filings and is not a named lessee.
Clarke stub · Sep 27, 2026 · Unknown. Not mocked as a named lessee
stub

sources.txt

Occupancy: TLE-primary Nov 1, 2026. UCS catalog Apr 7, 2023.
FCC SSAL Sep 27, 2026. Valuation v0 Nov 1, 2026 · snapshots seeded 2026-09-15 (model path, not trades).
ITU filings: not collected (Unrecorded in Clarke). Source: ITU Space Explorer.

Cite this

Clarke slot record, 175.4°E (175-4e). https://www.clarkebelt.finance/orbital/175-4e. Data vintage: UCS file vintage 2023-04-07, FCC as-of 2026-09-27, TLE epoch 2026-10-29 to 2026-11-01. Accessed the day you open this page.

Default Terminal is occupancy, recorded FCC, and freshness. Implied value is behind Labeled model. The simulated capacity book is not on this page. Not financial advice. Report a correction