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: 23 hours ago
TLE from 23 hours ago
0 BLACKJACK ACES-1
1 56956U 23084AA 26259.41505287 .00006297 00000-0 30597-3 0 9995
2 56956 97.6329 35.2470 0001380 105.6444 254.4942 15.18802823130749Epoch: 2026-09-16T09:57Z
TLE epoch observation values (Epoch: 2026-09-16T09:57:40.567Z)
Latitude
-0.00007°
Longitude
-109.539°
Altitude
512.794 km
Speed
7.607 km/s
True Right ascension
02h 20m 59s
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
02:11:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
507.385 km
Perigee altitude
505.485 km
Semi-major axis
6,884.572 km
Eccentricity
0.00014
Inclination
97.6329°
RAAN
35.247°
Arg. of periapsis
105.6444°
True anomaly
254.47896°
Mean anomaly
254.4942°
Eccentric anomaly
254.48658°
Mean motion
3.79951 °/min
Orbital period
94.75 mins
BSTAR
0.00030597
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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 | 2026-09-17 09:48:23.771Z | 207.232° SW | 2026-09-17 09:51:23.771Z | 275.214° WNW | 28.371° | 2026-09-17 09:53:23.771Z | 316.31° NNW |
| 4 mins | 2026-09-17 21:20:23.771Z | 59.428° ENE | 2026-09-17 21:22:23.771Z | 106.509° ESE | 23.298° | 2026-09-17 21:24:23.771Z | 144.301° SSE |
| 4 mins | 2026-09-17 22:54:23.771Z | 320.452° NNW | 2026-09-17 22:55:23.771Z | 299.628° NW | 20.503° | 2026-09-17 22:58:23.771Z | 243.478° WSW |
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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