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: 6 hours ago
TLE from 6 hours ago
0 BLACKJACK ACES-1
1 56956U 23084AA 26136.26778347 .00005482 00000-0 27175-3 0 9994
2 56956 97.6151 271.0932 0001561 95.5935 264.5476 15.18164352112054Epoch: 2026-05-16T06:25Z
TLE epoch observation values (Epoch: 2026-05-16T06:25:36.491Z)
Latitude
-0.0001°
Longitude
-59.29603°
Altitude
514.573 km
Speed
7.606 km/s
True Right ascension
18h 04m 22s
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
20:42:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
509.441 km
Perigee altitude
507.291 km
Semi-major axis
6,886.503 km
Eccentricity
0.00016
Inclination
97.6151°
RAAN
271.0932°
Arg. of periapsis
95.5935°
True anomaly
264.52979°
Mean anomaly
264.5476°
Eccentric anomaly
264.5387°
Mean motion
3.79791 °/min
Orbital period
94.79 mins
BSTAR
0.00027175
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-05-16 21:14:10.866Z | 40.567° NE | 2026-05-16 21:17:10.866Z | 104.947° ESE | 24.948° | 2026-05-16 21:19:10.866Z | 147.775° SSE |
| 5 mins | 2026-05-17 09:27:10.866Z | 200.507° SSW | 2026-05-17 09:29:10.866Z | 249.342° W | 31.914° | 2026-05-17 09:32:10.866Z | 326.577° NNW |
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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