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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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: 1 week ago
TLE from 1 week ago
0 BLACKJACK ACES-2
1 56955U 23084Z 26154.33798861 .00007817 00000-0 38300-3 0 9990
2 56955 97.6196 289.5098 0001820 74.9989 285.1446 15.18428108165075Epoch: 2026-06-03T08:06Z
TLE epoch observation values (Epoch: 2026-06-03T08:06:42.215Z)
Latitude
-0.00005°
Longitude
-83.96413°
Altitude
513.345 km
Speed
7.607 km/s
True Right ascension
19h 18m 02s
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
15:02:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
508.821 km
Perigee altitude
506.315 km
Semi-major axis
6,885.705 km
Eccentricity
0.00018
Inclination
97.6196°
RAAN
289.5098°
Arg. of periapsis
74.9989°
True anomaly
285.12447°
Mean anomaly
285.1446°
Eccentric anomaly
285.13453°
Mean motion
3.79857 °/min
Orbital period
94.77 mins
BSTAR
0.000383
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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 | 2026-06-11 09:10:41.192Z | 174.398° S | 2026-06-11 09:13:41.192Z | 223.934° SW | 42.756° | 2026-06-11 09:16:41.192Z | 341.211° N |
| 6 mins | 2026-06-11 22:15:41.192Z | 358.521° N | 2026-06-11 22:18:41.192Z | 303.898° NW | 34.923° | 2026-06-11 22:21:41.192Z | 217.72° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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