Asia-Pacific · East

144.1°E

The registry operator is unknown, with 3 satellites on station and an FCC license (1 row).

Occupancy ±0.4°: Chinese Ministry of National Defense 1/3 · Sky Perfect JSAT 1/3. 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. Position disagreement.

Occupancy

On station

3 satellites

±0.4° TLE-primary. Majority Chinese Ministry of National Defense (1/3).

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

Registry operator: Unknown
Window majority: Chinese Ministry of National Defense
Operator mix: Chinese Ministry of National Defense 1/3 · Sky Perfect JSAT 1/3
Country: —
Purpose: Communications
Status: On station
Position source: 3 TLE / 0 UCS fallback
Remaining life: Late life · ~2.2y remaining (n=2)
Coverage proxy: East & Southeast Asia · GDP 1.45 · pop 1.45

Source operator strings (UCS)

Chinese Ministry of National Defense: Chinese Ministry of National Defense
Sky Perfect JSAT: Sky Perfect JSAT Corporation. UCS Sky Perfect JSAT Corporation. JCSat is the satellite family name, not a second operator.

Co-located satellites (3)

Satellite	Operator	Purpose	UCS lon	TLE lon	Δ	TLE epoch	Launched
JCSat 16Dispute TLE occupancy	Sky Perfect JSAT	Communications	162.0°E	143.9°E	18.1°	2026-10-20 (2d)	2016
DSN-3 TLE occupancy	Unknown	—	—	144.1°E	—	2026-10-21 (1d)	2024
Beidou DW 45 TLE occupancy	Chinese Ministry of National Defense	Navigation/Global Positioning	144.5°E	144.4°E	0.0°	2026-10-21 (1d)	2019

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
United Kingdom
FCC lists administration as United Kingdom.
FCC Approved Space Station List · Sep 27, 2026
recorded
Operator license
V
Inmarsat
1 FCC authorization · KA25 · Inmarsat (Inmarsat Inc.).
FCC Approved Space Station List · Sep 27, 2026
recorded

FCC / license signals (1)

Satellite	Licensee	Service	Call sign
INMARSAT 4F1	Inmarsat	MSS	KA25

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 60 · High · 3 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)

$94M

low · $47M–$141M CI · labeled model

Clarke valuation v0 (model) · Oct 21, 2026

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

Arc desirability	East & Southeast Asia	×1.45
Coverage (GDP/pop)	East & Southeast Asia · GDP 1.45 · pop 1.45	×1.16
Occupancy	3 co-located satellites (TLE-primary ±0.4°)	×1.36
Remaining life	Late life · ~2.2y remaining (n=2)	×0.96
Operator	Operator unknown	×1.00
Spectrum	No band data (UCS-derived)	×1.00
Scarcity	Congestion score 60	×1.30
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
143.4°E	Inmarsat	0.7°	1	43	$86M
144.8°E	NBN Co (operated by Optus)	0.7°	3	58	$110M
145°E	RSCC	0.9°	2	58	$108M
145.4°E	China Academy of Space Technology (CAST)	1.3°	1	55	n/c
142.5°E	Airbus	1.6°	1	40	$71M
146°E	PT Pasifik Satelit Nntara	1.9°	2	53	$86M

Model path

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

$94M

2026-10-21 · 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, 144.1°E (144-1e). https://www.clarkebelt.finance/orbital/144-1e. Data vintage: UCS file vintage 2023-04-07, FCC as-of 2026-09-27, TLE epoch 2026-10-20 to 2026-10-21. Accessed the day you open this page.