TRACERS 2, 64873
Orbit data source: Space-Track
TRACERS 2, 64873 is an American payload satellite in SSO that was launched on Wed, 23 Jul 2025 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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64873 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Millenium ES
Mission
Operational Civil Science
Bus & Motor
TRACERS, Unknown motor
Mass
200 kg wet, 200 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Oct Cyl + 4 Rod, 3.7 m
Radar Cross Section
1.592 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 TRACERS 2
1 64873U 25154E 26225.18759625 .00000924 00000-0 92750-4 0 9997
2 64873 97.6651 287.4493 0005393 104.2739 255.9080 14.93620190 57508Epoch: 2026-08-13T04:30Z
TLE epoch observation values (Epoch: 2026-08-13T04:30:08.316Z)
Latitude
-0.00008°
Longitude
-101.71611°
Altitude
590.622 km
Speed
7.564 km/s
True Right ascension
19h 09m 47s
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
09:21:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
587.426 km
Perigee altitude
579.917 km
Semi-major axis
6,961.808 km
Eccentricity
0.00054
Inclination
97.6651°
RAAN
287.4493°
Arg. of periapsis
104.2739°
True anomaly
255.84807°
Mean anomaly
255.908°
Eccentric anomaly
255.87803°
Mean motion
3.73646 °/min
Orbital period
96.35 mins
BSTAR
0.00009275
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Other satellites on launch #154 in the year 2025 (2025-07-23 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.TRACERS 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-08-14 03:10:55.755Z | 93.326° ESE | 2026-08-14 03:12:55.755Z | 59.457° ENE | 15.676° | 2026-08-14 03:14:55.755Z | 29.412° NE |
| 6 mins | 2026-08-14 04:44:55.755Z | 199.792° SSW | 2026-08-14 04:47:55.755Z | 271.127° WNW | 31.814° | 2026-08-14 04:50:55.755Z | 327.803° NNW |
| 5 mins | 2026-08-14 16:27:55.755Z | 47.584° ENE | 2026-08-14 16:29:55.755Z | 89.431° E | 26.449° | 2026-08-14 16:32:55.755Z | 151.508° SSE |
| 4 mins | 2026-08-14 18:03:55.755Z | 321.031° NNW | 2026-08-14 18:05:55.755Z | 282.015° WNW | 18.99° | 2026-08-14 18:07:55.755Z | 249.739° W |
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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