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 day ago
TLE from 1 day ago
0 BLACKJACK ACES-2
1 56955U 23084Z 26308.83179152 .00004969 00000-0 24087-3 0 9994
2 56955 97.6393 85.4251 0001573 163.2330 196.8956 15.18996025188522Epoch: 2026-11-04T19:57Z
TLE epoch observation values (Epoch: 2026-11-04T19:57:46.787Z)
Latitude
-0.00003°
Longitude
101.9057°
Altitude
512.993 km
Speed
7.607 km/s
True Right ascension
05h 41m 42s
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
23:16:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
506.934 km
Perigee altitude
504.768 km
Semi-major axis
6,883.988 km
Eccentricity
0.00016
Inclination
97.6393°
RAAN
85.4251°
Arg. of periapsis
163.233°
True anomaly
196.89036°
Mean anomaly
196.8956°
Eccentric anomaly
196.89298°
Mean motion
3.79999 °/min
Orbital period
94.74 mins
BSTAR
0.00024087
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-11-06 08:28:22.656Z | 115° SE | 2026-11-06 08:30:22.656Z | 80.143° E | 20.565° | 2026-11-06 08:33:22.656Z | 22.552° NE |
| 4 mins | 2026-11-06 10:03:22.656Z | 234.651° WSW | 2026-11-06 10:04:22.656Z | 258.012° W | 23.355° | 2026-11-06 10:07:22.656Z | 316.311° NNW |
| 5 mins | 2026-11-06 21:33:22.656Z | 46.724° ENE | 2026-11-06 21:35:22.656Z | 92.691° ESE | 29.148° | 2026-11-06 21:38:22.656Z | 155.616° 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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