BLACKJACK ACES-4, 56952 (Decayed)
Orbit data source: Space-Track
BLACKJACK ACES-4, 56952 was a payload satellite owned by DARPA (US) in LEO 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
Decayed 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: 4 days ago
TLE from 4 days ago
0 BLACKJACK ACES-4
1 56952U 23084W 26030.83958131 .13023617 26890-5 16733-3 0 9999
2 56952 97.5252 190.3044 0012431 258.1516 101.8394 16.48891214147955Epoch: 2026-01-30T20:08Z
TLE epoch observation values (Epoch: 2026-01-30T20:08:59.825Z)
Latitude
0.00002°
Longitude
117.98296°
Altitude
147.189 km
Speed
7.817 km/s
True Right ascension
12h 41m 13s
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
02:39:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
147.16 km
Perigee altitude
130.957 km
Semi-major axis
6,517.196 km
Eccentricity
0.00124
Inclination
97.5252°
RAAN
190.3044°
Arg. of periapsis
258.1516°
True anomaly
101.97877°
Mean anomaly
101.8394°
Eccentric anomaly
101.90909°
Mean motion
4.12527 °/min
Orbital period
87.27 mins
BSTAR
0.00016733
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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
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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. |
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| This satellite is decayed. |
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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