Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

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 (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: 6 hours ago

TLE from 6 hours ago

0 TRACERS 2
1 64873U 25154E   26149.41391022  .00001641  00000-0  16149-3 0  9995
2 64873  97.6701 213.5271 0004059  22.6789 337.4610 14.93410536 46193

Epoch: 2026-05-29T09:56Z

TLE epoch observation values (Epoch: 2026-05-29T09:56:01.843Z)

Latitude

0.00005°

Longitude

177.57477°

Altitude

587.745 km

Speed

7.568 km/s

True Right ascension

14h 14m 06s

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

01:31:04

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

587.149 km

Perigee altitude

581.497 km

Semi-major axis

6,962.46 km

Eccentricity

0.00041

Inclination

97.6701°

RAAN

213.5271°

Arg. of periapsis

22.6789°

True anomaly

337.44316°

Mean anomaly

337.461°

Eccentric anomaly

337.45208°

Mean motion

3.73593 °/min

Orbital period

96.36 mins

BSTAR

0.00016149

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

TRACERS 2 Visibility forecast

Loading observer location...
Set Observer location

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 16:55:45.795Z	20.059° NNE	2026-05-29 16:59:45.795Z	123.887° SE	41.046°	2026-05-29 17:02:45.795Z	180.071° SSW
5 mins	2026-05-30 03:46:45.795Z	120.161° SE	2026-05-30 03:48:45.795Z	64.808° ENE	30.667°	2026-05-30 03:51:45.795Z	8.658° NNE
4 mins	2026-05-30 05:22:45.795Z	243.333° WSW	2026-05-30 05:23:45.795Z	260.064° W	15.689°	2026-05-30 05:26:45.795Z	306.913° NW

Items per page:

1–3 of 3 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

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

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

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

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: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-05-29T09:56:01.843Z)

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: 6 hours ago