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: 16 hours ago
TLE from 16 hours ago
0 BLACKJACK ACES-1
1 56956U 23084AA 26192.41216843 .00003971 00000-0 19452-3 0 9991
2 56956 97.6221 327.6500 0001759 122.6063 237.5341 15.18753516120577Epoch: 2026-07-11T09:53Z
TLE epoch observation values (Epoch: 2026-07-11T09:53:31.352Z)
Latitude
0°
Longitude
-110.05639°
Altitude
513.34 km
Speed
7.607 km/s
True Right ascension
21h 50m 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
14:31:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
507.795 km
Perigee altitude
505.373 km
Semi-major axis
6,884.721 km
Eccentricity
0.00018
Inclination
97.6221°
RAAN
327.65°
Arg. of periapsis
122.6063°
True anomaly
237.5171°
Mean anomaly
237.5341°
Eccentric anomaly
237.5256°
Mean motion
3.79939 °/min
Orbital period
94.75 mins
BSTAR
0.00019452
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-07-12 08:10:47.749Z | 110.411° ESE | 2026-07-12 08:12:47.749Z | 76.723° E | 17.081° | 2026-07-12 08:14:47.749Z | 37.035° NE |
| 5 mins | 2026-07-12 09:44:47.749Z | 215.167° SW | 2026-07-12 09:46:47.749Z | 259.917° W | 24.494° | 2026-07-12 09:49:47.749Z | 320.362° NNW |
| 4 mins | 2026-07-12 21:16:47.749Z | 68.544° E | 2026-07-12 21:17:47.749Z | 94.011° ESE | 22.875° | 2026-07-12 21:20:47.749Z | 151.589° SSE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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