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 26259.09599902 .00005354 00000-0 26070-3 0 9999
2 56955 97.6337 35.1649 0001780 64.4683 295.6735 15.18802066180971Epoch: 2026-09-16T02:18Z
TLE epoch observation values (Epoch: 2026-09-16T02:18:14.315Z)
Latitude
0.00001°
Longitude
5.55275°
Altitude
512.011 km
Speed
7.608 km/s
True Right ascension
02h 20m 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
02:57:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
507.663 km
Perigee altitude
505.212 km
Semi-major axis
6,884.574 km
Eccentricity
0.00018
Inclination
97.6337°
RAAN
35.1649°
Arg. of periapsis
64.4683°
True anomaly
295.65511°
Mean anomaly
295.6735°
Eccentric anomaly
295.66431°
Mean motion
3.79951 °/min
Orbital period
94.75 mins
BSTAR
0.0002607
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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 | 2026-09-17 21:34:15.825Z | 37.651° NE | 2026-09-17 21:37:15.825Z | 114.793° SE | 33.794° | 2026-09-17 21:39:15.825Z | 157.34° SSE |
| 5 mins | 2026-09-18 09:47:15.825Z | 215.975° SW | 2026-09-18 09:49:15.825Z | 271.619° WNW | 31.24° | 2026-09-18 09:52:15.825Z | 326.351° NNW |
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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