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: 17 hours ago
TLE from 17 hours ago
0 BLACKJACK ACES-2
1 56955U 23084Z 26062.82518708 .00014221 00000-0 65239-3 0 9990
2 56955 97.6030 197.3672 0001741 55.7522 304.3877 15.20543517151182Epoch: 2026-03-03T19:48Z
TLE epoch observation values (Epoch: 2026-03-03T19:48:16.163Z)
Latitude
-0.0001°
Longitude
98.70118°
Altitude
506.609 km
Speed
7.611 km/s
True Right ascension
13h 09m 28s
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
16:34:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
502.371 km
Perigee altitude
499.976 km
Semi-major axis
6,879.311 km
Eccentricity
0.00017
Inclination
97.603°
RAAN
197.3672°
Arg. of periapsis
55.7522°
True anomaly
304.37123°
Mean anomaly
304.3877°
Eccentric anomaly
304.37947°
Mean motion
3.80387 °/min
Orbital period
94.64 mins
BSTAR
0.00065239
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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 | 2026-03-04 21:38:34.195Z | 19.229° NNE | 2026-03-04 21:41:34.195Z | 138.811° SSE | 42.32° | 2026-03-04 21:44:34.195Z | 185.282° SSW |
| 4 mins | 2026-03-05 08:17:34.195Z | 106.243° ESE | 2026-03-05 08:18:34.195Z | 81.287° E | 24.101° | 2026-03-05 08:21:34.195Z | 16.599° NNE |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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