Europe / Africa / MEA · West

18°W

SES is the registry operator, with 2 satellites on station and an FCC license (1 row).

Occupancy ±0.4°: Ministry of Defense/Paradigm Secure Communications (wholly owned by EADS Astrium) 1/2 · SES 1/2. Window majority is not the registry operator.

On stationUnrecorded in ClarkeBrought into use (in-orbit + FCC record)FCC ×1

TLE epoch 2026-10-21. FCC 2026-09-27. UCS 2023-04-07.

Occupancy

On station

2 satellites

±0.4° TLE-primary. Majority Ministry of Defense/Paradigm Secure Communications (wholly owned by EADS Astrium) (1/2).

Data as of 2026-10-21 · Space-Track TLE (primary) + UCS Satellite Database (fallback)

Registry operator: SES
Window majority: Ministry of Defense/Paradigm Secure Communications (wholly owned by EADS Astrium)
Operator mix: Ministry of Defense/Paradigm Secure Communications (wholly owned by EADS Astrium) 1/2 · SES 1/2
Country: —
Purpose: Communications
Status: On station
Position source: 2 TLE / 0 UCS fallback
Remaining life: Mid-life · ~5.2y remaining (n=1)
Coverage proxy: Atlantic / West Africa · GDP 0.95 · pop 1.05

Source operator strings (UCS)

Ministry of Defense/Paradigm Secure Communications (wholly owned by EADS Astrium): Ministry of Defense/Paradigm Secure Communications (wholly owned by EADS Astrium)
SES: Intelsat S.A.. UCS SES S.A. and FCC SES / New Skies legal entities. New Skies is the SES brand. Former name Intelsat. PanAmSat strings in UCS are that fleet. SES completed the acquisition on 17 July 2025. The FCC licensee string stays on the source row.

Co-located satellites (2)

Satellite	Operator	Purpose	UCS lon	TLE lon	Δ	TLE epoch	Launched
Intelsat 37E (IS-37E) TLE occupancy	SES	Communications	18.0°W	18.0°W	0.0°	2026-10-21 (1d)	2017
Skynet 5C TLE occupancy	Ministry of Defense/Paradigm Secure Communications (wholly owned by EADS Astrium)	Communications	17.8°W	17.9°W	0.1°	2026-10-21 (1d)	2008

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
U.S.A.
FCC lists administration as U.S.A..
FCC Approved Space Station List · Sep 27, 2026
recorded
Operator license
V
SES
1 FCC authorization · S2972 · SES (Intelsat License LLC).
FCC Approved Space Station List · Sep 27, 2026
recorded

FCC / license signals (1)

Satellite	Licensee	Service	Call sign
INTELSAT 37e	SES	FSS	S2972

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

Freshness

TLE epoch

2026-10-21

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

FCC Approved Space Station List · Sep 27, 2026

Congestion 35 · Moderate · 2 co-located

Clarke congestion v0 ← TLE-primary occupancy longitudes · Oct 21, 2026

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)

$74M

medium · $48M–$100M CI · labeled model

Clarke valuation v0 (model) · Oct 21, 2026

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

Arc desirability	Atlantic / West Africa	×1.15
Coverage (GDP/pop)	Atlantic / West Africa · GDP 0.95 · pop 1.05	×1.00
Occupancy	2 co-located satellites (TLE-primary ±0.4°)	×1.24
Remaining life	Mid-life · ~5.2y remaining (n=1)	×1.03
Operator	Tier-1 operator	×1.30
Spectrum	No band data (UCS-derived)	×1.00
Scarcity	Congestion score 35	×1.18
License / BIU	Brought into use (in-orbit + FCC record) · US market access	×1.10

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
16.6°W	Russian Federal Space Agency	1.4°	2	45	n/c
16°W	US DoD	2.0°	1	40	n/c
20.1°W	Yahsat	2.1°	1	20	$57M
15.1°W	Telesat	2.9°	1	35	$82M
21.2°W	US DoD	3.2°	1	25	n/c
14.7°W	Telesat	3.3°	2	40	$87M

Model path

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

$73M

2026-09-15 · 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

Cite this

Clarke slot record, 18°W (18w). https://www.clarkebelt.finance/orbital/18w. Data vintage: UCS file vintage 2023-04-07, FCC as-of 2026-09-27, TLE epoch 2026-10-21. Accessed the day you open this page.