BLACKJACK ACES-2, 56955
Orbit data source: Space-Track
BLACKJACK ACES-2, 56955 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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56955 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, 3.6 m
Radar Cross Section
0.875 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 20 hours ago
TLE from 20 hours ago
0 BLACKJACK ACES-2
1 56955U 23084Z 25286.30506141 .00002251 00000-0 10398-3 0 9994
2 56955 97.5913 54.6660 0010329 119.2423 240.9846 15.21224462129677Epoch: 2025-10-13T07:19Z
TLE epoch observation values (Epoch: 2025-10-13T07:19:17.305Z)
Latitude
-0.00008°
Longitude
-77.26585°
Altitude
508.686 km
Speed
7.608 km/s
True Right ascension
03h 38m 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
22:00:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
506.222 km
Perigee altitude
492.015 km
Semi-major axis
6,877.255 km
Eccentricity
0.00103
Inclination
97.5913°
RAAN
54.666°
Arg. of periapsis
119.2423°
True anomaly
240.88116°
Mean anomaly
240.9846°
Eccentric anomaly
240.93287°
Mean motion
3.80558 °/min
Orbital period
94.6 mins
BSTAR
0.00010398
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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-2 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-10-14 08:42:09.423Z | 166.951° S | 2025-10-14 08:45:09.423Z | 169.04° S | 44.282° | 2025-10-14 08:48:09.423Z | 347.609° N |
| 5 mins | 2025-10-14 21:47:09.423Z | 356.808° N | 2025-10-14 21:49:09.423Z | 279.982° WNW | 40.761° | 2025-10-14 21:52:09.423Z | 206.574° SW |
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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