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[1]CelesTrak (opens in new tab)orbital elements
[2]GCAT / J. McDowell (opens in new tab)launch catalog
[3]Wikidata (opens in new tab)metadata enrichment
[4]SatNOGS DB (opens in new tab)radio transmitters (CC BY-SA 4.0)

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OrbitalWiki / open database / ODbL-1.0Orbital data is approximate and not for operations

BLACKJACK ACES-2, NORAD 56955 orbital data · OrbitalWiki

Catalog Operators Showcases Method Developers Pricing

Index/Operators/Defense Advanced Research Projects Agency/56955

SSOOperationalPayload

BLACKJACK ACES-2

NORAD 56955COSPAR 2023-084ZEpoch Oct 21, 2026

BLACKJACK ACES-2 is a payload in SSO orbit, operated by Defense Advanced Research Projects Agency, launched 2023.

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Operator

Defense Advanced Research Projects AgencyProbable

via GCAT — Jonathan McDowell's General Catalog

Country

United StatesProbable

via GCAT — Jonathan McDowell's General Catalog

Launch date

2023-06-12Probable

via GCAT — Jonathan McDowell's General Catalog

Object class

PAYLOADProbable

via GCAT — Jonathan McDowell's General Catalog

Operational status

OPERATIONALProbable

via CelesTrak SATCAT

Launch mass (kg)

200Probable

via GCAT — Jonathan McDowell's General Catalog

Orbital regime

LLEO/SProbable

via GCAT — Jonathan McDowell's General Catalog

Launch site

Not availableUnknown

source unknown

Launch vehicle

Not availableUnknown

source unknown

Not available in the current data

· Alternate names
· Constellation membership

Data quality

Quality95 / 100

OrbitalWiki

Open satellite records with source claims attached. Use the UI for lookup or the API for products, research, and internal tools.

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How many satellites are in orbit right now?
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How many satellites still work?
How many Starlink satellites are there?
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What is the oldest satellite still in orbit?
What orbits are satellites in?
Which countries operate the most satellites?
Which operators run the most satellites?

Radio

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Sources

[1]CelesTrak (opens in new tab)orbital elements
[2]GCAT / J. McDowell (opens in new tab)launch catalog
[3]Wikidata (opens in new tab)metadata enrichment

Related satellites

BLACKJACK ACES-1Same launch
RUNNER-1 (TYVAK-1005)Same launch
ION SCV-011Same launch
BLACKJACK ACES-3Same operator
EXCITESame operator

Where this record sits

All Defense Advanced Research Projects Agency satellites
United States satellites and space activity
Everything in SSO

It went up on launch 2023-084, alongside everything else on that flight

See it moving on the 3D globe alongside every other active object, propagated in your browser.

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//Orbital data is approximate and not for operational use. Last ingested from CelesTrak on Oct 22, 2026.

[4]

SatNOGS DB (opens in new tab)radio transmitters (CC BY-SA 4.0)

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OrbitalWiki / open database / ODbL-1.0Orbital data is approximate and not for operations