a public registry of the geostationary beltLast updatedData as of 2026-11-01. FCC workbook 2026-09-27.

Registry > Pacific > 155.6°E | Compare

slot_155-6e.htm

155.6°EOptus, Optus Communications (Parent: Singapore Telecom)/Australian Ministry of Defense

Optus Communications (Parent: Singapore Telecom)/Australian Ministry of Defense is the registry operator, with 2 satellites on station and no FCC row.

Occupancy ±0.4°: Optus 1/2 · Optus Communications (Parent: Singapore Telecom)/Australian Ministry of Defense 1/2. Window majority is not the registry operator.

2on station
0FCC rows
1UCS vs TLE
2026-11-01latest TLE
On stationUnrecorded in ClarkeOperating (no FCC market-access row)

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

Who is on station
On station
2 satellites

±0.4° TLE-primary. Majority Optus (1/2).

Data as of 2026-11-01 · Space-Track TLE (primary) + UCS Satellite Database (fallback)
Registry operator
Optus Communications (Parent: Singapore Telecom)/Australian Ministry of Defense
Window majority
Optus
Operator mix
Optus 1/2 · Optus Communications (Parent: Singapore Telecom)/Australian Ministry of Defense 1/2
Country
Australia
Purpose
Communications
Status
On station
Position source
2 TLE / 0 UCS fallback
Remaining life
Life-extended / past UCS design life · ~-3.4y (n=2)
Coverage proxy
Pacific · GDP 0.55 · pop 0.45
Source operator strings (UCS)
  • Optus: Optus Communications (Parent: Singapore Telecom)
  • Optus Communications (Parent: Singapore Telecom)/Australian Ministry of Defense: Optus Communications (Parent: Singapore Telecom)/Australian Ministry of Defense

Co-located satellites (2)

SatelliteLaunched
Optus and Defence C1
TLE occupancy
2003
Optus 10Dispute
TLE occupancy
2014

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 155.6°E

Rights

License / FCC
foreign operating

No FCC row

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.

  1. National administration
    M
    Australia

    Inferred from operator country (Australia); not an ITU notifying administration record.

    UCS operator country · Sep 27, 2026
    inferred
  2. Operator license
    M
    Optus Communications (Parent: Singapore Telecom)/Australian Ministry of Defense

    UCS operator Optus Communications (Parent: Singapore Telecom)/Australian Ministry of Defense. No FCC market-access row at this longitude (expected for many non-US administrations and US government birds).

    UCS Satellite Database · Sep 27, 2026
    inferred
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 38 · Moderate · 2 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)
$33M

medium · $22M–$45M CI · labeled model

Clarke valuation v0 (model) · Nov 1, 2026

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

Arc desirabilityPacific (thin demand)×0.80
Coverage (GDP/pop)Pacific · GDP 0.55 · pop 0.45×0.82
Occupancy2 co-located satellites (TLE-primary ±0.4°)×1.24
Remaining lifeLife-extended / past UCS design life · ~-3.4y (n=2)×0.88
OperatorTier-1 operator×1.30
SpectrumNo band data (UCS-derived)×1.00
ScarcityCongestion score 38×1.19
License / BIUOperating (no FCC market-access row)×1.00
Driver breakdown is Pro

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

PricingSign 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.

SlotΔSatsCong.Fair value
155.1°E0.5°135n/c
156.3°E0.7°338$36M
156.4°E0.8°233$25M
157°E1.4°130$25M
154°E1.6°130$35M
153.1°E2.5°128$25M

Model path

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

$33M
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.

  1. 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
  2. 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, 155.6°E (155-6e). https://www.clarkebelt.finance/orbital/155-6e. Data vintage: UCS file vintage 2023-04-07, FCC as-of 2026-09-27, TLE epoch 2026-10-31 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