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TRACERS 1, 64870

Orbit data source: Space-Track

TRACERS 1, 64870 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/64870?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/64870?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

64870, 2025-154B

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 1
1 64870U 25154B   26270.13922184  .00000988  00000-0  98644-4 0  9999
2 64870  97.6583 331.2565 0003936 280.1934  79.8842 14.93707102 64213

Epoch: 2026-09-27T03:20Z

TLE epoch observation values (Epoch: 2026-09-27T03:20:28.766Z)

Latitude

-0.00006°

Longitude

-84.80058°

Altitude

588.955 km

Speed

7.566 km/s

True Right ascension

22h 05m 01s

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

21:48:37

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

586.141 km

Perigee altitude

580.66 km

Semi-major axis

6,961.538 km

Eccentricity

0.00039

Inclination

97.6583°

RAAN

331.2565°

Arg. of periapsis

280.1934°

True anomaly

79.92861°

Mean anomaly

79.8842°

Eccentric anomaly

79.9064°

Mean motion

3.73668 °/min

Orbital period

96.34 mins

BSTAR

0.000098644

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

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TRACERS 1 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	2026-09-28 05:12:14.870Z	232.014° WSW	2026-09-28 05:14:14.870Z	266.653° W	18.953°	2026-09-28 05:16:14.870Z	301.062° NW
6 mins	2026-09-28 16:54:14.870Z	23.032° NE	2026-09-28 16:56:14.870Z	60.942° ENE	61.225°	2026-09-28 17:00:14.870Z	183.219° SSW
6 mins	2026-09-29 03:43:14.870Z	129.206° SE	2026-09-29 03:45:14.870Z	84.435° E	38.203°	2026-09-29 03:49:14.870Z	4.785° NNE

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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 1, 64870 on other resources

View TRACERS 1, 64870 on NASA - NSSDCA Website

View TRACERS 1, 64870 on Heavens-Above

View TRACERS 1, 64870 on Keep Track

View TRACERS 1, 64870 on Celestrak

View TRACERS 1, 64870 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 1, 64870

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: 2026-09-27T03:20:28.766Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

TRACERS 1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out TRACERS 1, 64870 on other resources

Documentation

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