BLACKJACK ACES-4, 56952
Orbit data source: Space-Track
BLACKJACK ACES-4, 56952 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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56952 intel report (Beta)
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Edit Public Description
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, 2.6 m
Radar Cross Section
0.875 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 19 hours ago
TLE from 19 hours ago
0 BLACKJACK ACES-4
1 56952U 23084W 25286.37502451 .00138936 00000-0 13001-2 0 9991
2 56952 97.5848 69.4139 0004869 68.5223 291.6555 15.66794068130633Epoch: 2025-10-13T09:00Z
TLE epoch observation values (Epoch: 2025-10-13T09:00:02.117Z)
Latitude
-0.0001°
Longitude
-87.77362°
Altitude
370.021 km
Speed
7.688 km/s
True Right ascension
04h 37m 39s
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
22:04:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
368.279 km
Perigee altitude
361.712 km
Semi-major axis
6,743.133 km
Eccentricity
0.00049
Inclination
97.5848°
RAAN
69.4139°
Arg. of periapsis
68.5223°
True anomaly
291.60363°
Mean anomaly
291.6555°
Eccentric anomaly
291.62957°
Mean motion
3.91968 °/min
Orbital period
91.84 mins
BSTAR
0.0013001
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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-4 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 | 2025-10-14 09:39:00.603Z | 163.942° S | 2025-10-14 09:42:00.603Z | 8.05° NNE | 42.462° | 2025-10-14 09:44:00.603Z | 350.366° N |
| 4 mins | 2025-10-14 22:21:00.603Z | 30.091° NE | 2025-10-14 22:23:00.603Z | 126.345° SE | 36.883° | 2025-10-14 22:25:00.603Z | 176.087° S |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
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