Registry > Asia-Pacific > 128.1°E | Compare

slot_128-1e.htm

128.1°EKorea Meteorological Administration/National Meteorological Satellite Center, China Aerospace Science and Technology Corporation (CASC), Ministry of Defense (Russia), Sky Perfect JSAT

China Aerospace Science and Technology Corporation (CASC) is the registry operator, with 5 satellites on station and an FCC license (1 row).

Occupancy ±0.4°: Korea Meteorological Administration/National Meteorological Satellite Center 2/5 · China Aerospace Science and Technology Corporation (CASC) 1/5 · Ministry of Defense (Russia) 1/5 · Sky Perfect JSAT 1/5. Window majority is not the registry operator.

5on 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

5 satellites

±0.4° TLE-primary. Majority Korea Meteorological Administration/National Meteorological Satellite Center (2/5).

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

Registry operator: China Aerospace Science and Technology Corporation (CASC)
Window majority: Korea Meteorological Administration/National Meteorological Satellite Center
Operator mix: Korea Meteorological Administration/National Meteorological Satellite Center 2/5 · China Aerospace Science and Technology Corporation (CASC) 1/5 · Ministry of Defense (Russia) 1/5 · Sky Perfect JSAT 1/5
Country: —
Purpose: Communications
Status: On station
Position source: 5 TLE / 0 UCS fallback
Remaining life: End of licensed life · ~1.1y remaining (n=4)
Coverage proxy: East & Southeast Asia · GDP 1.45 · pop 1.45

Source operator strings (UCS)

Korea Meteorological Administration/National Meteorological Satellite Center: Korea Meteorological Administration/National Meteorological Satellite Center
China Aerospace Science and Technology Corporation (CASC): China Aerospace Science and Technology Corporation (CASC)
Ministry of Defense (Russia): Ministry of Defense. UCS defense label has no country. Display adds the owner country so these are not one operator.
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 (5)

Satellite	Operator	Purpose	UCS lon	TLE lon	Δ	TLE epoch	Launched
JCSat 10 (Japan Communications Satellite 10, JCSat 3A) TLE occupancy	Sky Perfect JSAT	Communications	127.5°E	128.0°E	0.5°	2026-11-01 (4d)	2006
Blagovest-12L (Cosmos 2526) TLE occupancy	Ministry of Defense (Russia)	Communications	128.0°E	128.1°E	0.1°	2026-11-01 (4d)	2018
Shijian 21 TLE occupancy	China Aerospace Science and Technology Corporation (CASC)	Technology Development	—	128.1°E	—	2026-11-01 (4d)	2021
GEO-Kompsat-2B TLE occupancy	Korea Meteorological Administration/National Meteorological Satellite Center	Meteorology	128.0°E	128.3°E	0.3°	2026-11-01 (4d)	2020
GEO-Kompsat-2A TLE occupancy	Korea Meteorological Administration/National Meteorological Satellite Center	Meteorology	128.2°E	128.3°E	0.1°	2026-11-01 (4d)	2018

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 128.1°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
Japan
FCC lists administration as Japan.
FCC Approved Space Station List · Sep 27, 2026
recorded
Operator license
V
SES
1 FCC authorization · E960207 · SES (SES Americom, Inc.).
FCC Approved Space Station List · Sep 27, 2026
recorded

FCC / license signals (1)

Satellite	Licensee	Service	Call sign
JCSAT-3A	SES	FSS	E960207

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 85 · Critical · 5 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 $60M–$179M is shown for inspection only.

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	5 co-located satellites (TLE-primary ±0.4°)	×1.60
Remaining life	End of licensed life · ~1.1y remaining (n=4)	×0.90
Operator	Regional / other operator	×1.05
Spectrum	No band data (UCS-derived)	×1.00
Scarcity	Congestion score 85	×1.43
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
128.5°E	Laos National Authority for Science and Technology	0.4°	3	80	n/c
127.5°E	SES	0.6°	2	65	$91M
127.2°E	Japan Aerospace Exploration Agency (JAXA)	0.9°	5	73	$106M
127.1°E	Japan Aerospace Exploration Agency (JAXA)	1.0°	4	75	n/c
127°E	Japan Aerospace Exploration Agency (JAXA)	1.1°	4	78	n/c
129.4°E	ISRO	1.3°	3	73	$84M

Model path

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

$120M

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, 128.1°E (128-1e). https://www.clarkebelt.finance/orbital/128-1e. Data vintage: UCS file vintage 2023-04-07, FCC as-of 2026-09-27, TLE epoch 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