BLACKJACK ACES-1, 56956
Orbit data source: Space-Track
BLACKJACK ACES-1, 56956 is a payload satellite owned by DARPA (US) in SSO that was launched on Mon, 12 Jun 2023 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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56956 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
BLCAN/LMSS
Mission
Operational Defense Communications
Bus & Motor
X-SAT, Unknown motor
Mass
~200 kg wet, ~200 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 3.6 m
Radar Cross Section
0.875 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 3 hours ago
TLE from 3 hours ago
0 BLACKJACK ACES-1
1 56956U 23084AA 26251.64062520 .00006100 00000-0 29719-3 0 9997
2 56956 97.6308 27.3984 0001337 105.2913 254.8469 15.18721596129560Epoch: 2026-09-08T15:22Z
TLE epoch observation values (Epoch: 2026-09-08T15:22:30.017Z)
Latitude
0.00003°
Longitude
169.06919°
Altitude
513.026 km
Speed
7.607 km/s
True Right ascension
01h 49m 35s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
10:56:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
507.601 km
Perigee altitude
505.76 km
Semi-major axis
6,884.817 km
Eccentricity
0.00013
Inclination
97.6308°
RAAN
27.3984°
Arg. of periapsis
105.2913°
True anomaly
254.83211°
Mean anomaly
254.8469°
Eccentric anomaly
254.83951°
Mean motion
3.79931 °/min
Orbital period
94.75 mins
BSTAR
0.00029719
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Other satellites on launch #84 in the year 2023 (2023-06-12 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.BLACKJACK ACES-1 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-09-08 22:15:06.905Z | 3.671° NNE | 2026-09-08 22:19:06.905Z | 249.367° W | 52.689° | 2026-09-08 22:22:06.905Z | 206.258° SW |
| 5 mins | 2026-09-09 08:55:06.905Z | 139.914° SSE | 2026-09-09 08:57:06.905Z | 61.625° ENE | 52.245° | 2026-09-09 09:00:06.905Z | 359.367° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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