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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 (10 months 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: 13 hours ago

TLE from 13 hours ago

0 TRACERS 1
1 64870U 25154B   26149.14613306  .00001647  00000-0  16207-3 0  9995
2 64870  97.6699 213.2549 0004575 335.8435  24.2569 14.93409726 46150

Epoch: 2026-05-29T03:30Z

TLE epoch observation values (Epoch: 2026-05-29T03:30:25.896Z)

Latitude

-0.00009°

Longitude

-86.03369°

Altitude

587.454 km

Speed

7.568 km/s

True Right ascension

14h 13m 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

01:47:29

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

587.511 km

Perigee altitude

581.141 km

Semi-major axis

6,962.463 km

Eccentricity

0.00046

Inclination

97.6699°

RAAN

213.2549°

Arg. of periapsis

335.8435°

True anomaly

24.27845°

Mean anomaly

24.2569°

Eccentric anomaly

24.26767°

Mean motion

3.73593 °/min

Orbital period

96.36 mins

BSTAR

0.00016207

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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.
7 mins	2026-05-29 16:56:08.503Z	19.919° NNE	2026-05-29 17:00:08.503Z	126.755° SE	41.122°	2026-05-29 17:03:08.503Z	180.561° SSW
6 mins	2026-05-30 03:46:08.503Z	131.947° SE	2026-05-30 03:49:08.503Z	63.098° ENE	30.842°	2026-05-30 03:52:08.503Z	8.137° 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: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-05-29T03:30:25.896Z)

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: 13 hours ago