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: 8 hours ago
TLE from 8 hours ago
0 BLACKJACK ACES-2
1 56955U 23084Z 25334.79832403 .00010674 00000-0 48605-3 0 9994
2 56955 97.5954 103.5314 0007100 313.8601 46.2046 15.20853191137040Epoch: 2025-11-30T19:09Z
TLE epoch observation values (Epoch: 2025-11-30T19:09:35.196Z)
Latitude
-0.00008°
Longitude
106.22775°
Altitude
502.971 km
Speed
7.615 km/s
True Right ascension
06h 54m 07s
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
00:22:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
505.122 km
Perigee altitude
495.355 km
Semi-major axis
6,878.376 km
Eccentricity
0.00071
Inclination
97.5954°
RAAN
103.5314°
Arg. of periapsis
313.8601°
True anomaly
46.26336°
Mean anomaly
46.2046°
Eccentric anomaly
46.23398°
Mean motion
3.80465 °/min
Orbital period
94.62 mins
BSTAR
0.00048605
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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
Loading observer location...
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 | 2025-12-01 07:56:44.342Z | 109.956° ESE | 2025-12-01 07:58:44.342Z | 71.709° E | 18.927° | 2025-12-01 08:00:44.342Z | 31.338° NE |
| 4 mins | 2025-12-01 09:30:44.342Z | 224.166° SW | 2025-12-01 09:32:44.342Z | 270.365° WNW | 21.862° | 2025-12-01 09:34:44.342Z | 310.82° NW |
| 4 mins | 2025-12-01 21:00:44.342Z | 52.703° ENE | 2025-12-01 21:02:44.342Z | 102.546° ESE | 24.721° | 2025-12-01 21:04:44.342Z | 146.409° 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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