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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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<iframe src="https://www.satcat.com/sats-embedded/64873?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/64873?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

64873, 2025-154E

Orbit

SSO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Millenium ES

Mission

Operational Civil Science

Bus & Motor

TRACERS, Unknown motor

Mass

200 kg wet, 200 kg dry

Launch date (UTC)

2025-07-23 (1 year ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Oct Cyl + 4 Rod, 3.7 m

Radar Cross Section

1.592 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 1 day ago

TLE from 1 day ago

0 TRACERS 2
1 64873U 25154E   26270.13848001  .00000990  00000-0  98808-4 0  9992
2 64873  97.6583 331.2696 0003035 339.9665  20.1436 14.93711387 64213

Epoch: 2026-09-27T03:19Z

TLE epoch observation values (Epoch: 2026-09-27T03:19:24.672Z)

Latitude

0°

Longitude

-84.51969°

Altitude

587.438 km

Speed

7.568 km/s

True Right ascension

22h 05m 04s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

20:45:14

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

585.5 km

Perigee altitude

581.274 km

Semi-major axis

6,961.524 km

Eccentricity

0.0003

Inclination

97.6583°

RAAN

331.2696°

Arg. of periapsis

339.9665°

True anomaly

20.15558°

Mean anomaly

20.1436°

Eccentric anomaly

20.14959°

Mean motion

3.73669 °/min

Orbital period

96.34 mins

BSTAR

0.000098808

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Other satellites on launch #154 in the year 2025 (2025-07-23 UTC)

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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.
7 mins	2026-09-28 03:34:02.131Z	133.311° SE	2026-09-28 03:38:02.131Z	59.849° ENE	31.068°	2026-09-28 03:41:02.131Z	10.405° NNE
4 mins	2026-09-28 05:12:02.131Z	244.805° WSW	2026-09-28 05:13:02.131Z	263.758° W	19.381°	2026-09-28 05:16:02.131Z	311.737° NW
6 mins	2026-09-28 16:53:02.131Z	23.431° NE	2026-09-28 16:56:02.131Z	136.038° SSE	60.403°	2026-09-28 16:59:02.131Z	181.77° SSW

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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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Check out TRACERS 2, 64873 on other resources

View TRACERS 2, 64873 on NASA - NSSDCA Website

View TRACERS 2, 64873 on Heavens-Above

View TRACERS 2, 64873 on Keep Track

View TRACERS 2, 64873 on Celestrak

View TRACERS 2, 64873 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

TRACERS 2, 64873

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-09-27T03:19:24.672Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #154 in the year 2025 (2025-07-23 UTC)

TRACERS 2 Visibility forecast

Co-orbital & Co-planar RSOs

Check out TRACERS 2, 64873 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago