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GLOBALSTAR M026, 25873

Orbit data source: Space-Track

GLOBALSTAR M026, 25873 is a payload satellite owned by Globalstar (US) in LEO that was launched on Sun, 25 Jul 1999 UTC via a DELTA 7420-10C launch vehicle from the Air Force Eastern Test Range (AFETR). 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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https://www.satcat.com/sats-embedded/25873?theme=dark&initialShowStats=false

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Identifier

25873, 1999-041B

Orbit

LEO

Country

Unknown / GLOB

Related business

Globalstar Inc. (US)

Manufacturer

SS/Loral

Mission

Non-operational Commercial Communications

Bus & Motor

LS-400, LS-400 AOCS

Mass

450 kg wet, 380 kg dry

Launch date (UTC)

1999-07-25 (27 years ago)

Launch vehicle

DELTA 7420-10C

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 6.0 m

Radar Cross Section

5.587 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 16 hours ago

TLE from 16 hours ago

0 GLOBALSTAR M026
1 25873U 99041B   26037.34562338 -.00000184  00000-0 -44116-2 0  9993
2 25873  52.0046   8.2539 0001825 308.6717 204.2824 11.06840136174418

Epoch: 2026-02-06T08:17Z

TLE epoch observation values (Epoch: 2026-02-06T08:17:41.860Z)

Latitude

21.04552°

Longitude

-90.06477°

Altitude

2,128.724 km

Speed

6.848 km/s

True Right ascension

11h 23m 22s

True Declination

20° 56' 57"

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

02:40:12

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,128.858 km

Perigee altitude

2,125.754 km

Semi-major axis

8,505.443 km

Eccentricity

0.00018

Inclination

52.0046°

RAAN

8.2539°

Arg. of periapsis

308.6717°

True anomaly

204.2738°

Mean anomaly

204.2824°

Eccentric anomaly

204.2781°

Mean motion

2.76693 °/min

Orbital period

130.11 mins

BSTAR

-0.0044116

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Other satellites on launch #41 in the year 1999 (1999-07-25 UTC)

GLOBALSTAR M028, 25875

DELTA 2 R/B, 25876

GLOBALSTAR M048, 25872

GLOBALSTAR M043, 25874

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GLOBALSTAR M026 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.
23 mins	2026-02-07 00:51:04.714Z	229.589° WSW	2026-02-07 01:02:04.714Z	237.205° WSW	44.894°	2026-02-07 01:14:04.714Z	52.919° ENE
22 mins	2026-02-07 03:11:04.714Z	276.988° WNW	2026-02-07 03:21:04.714Z	343.826° N	37.528°	2026-02-07 03:33:04.714Z	62.071° ENE
22 mins	2026-02-07 05:31:04.714Z	304.564° NW	2026-02-07 05:41:04.714Z	12.538° NNE	39.064°	2026-02-07 05:53:04.714Z	94.09° ESE
22 mins	2026-02-07 07:49:04.714Z	305.622° NW	2026-02-07 08:00:04.714Z	209.592° SW	44.182°	2026-02-07 08:11:04.714Z	141.115° SSE
15 mins	2026-02-07 10:08:04.714Z	284.088° WNW	2026-02-07 10:15:04.714Z	245.813° WSW	20.99°	2026-02-07 10:23:04.714Z	201.342° SSW
19 mins	2026-02-07 22:28:04.714Z	174.112° S	2026-02-07 22:37:04.714Z	119.994° SE	28.029°	2026-02-07 22:47:04.714Z	64.375° ENE

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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 GLOBALSTAR M026, 25873 on other resources

View GLOBALSTAR M026, 25873 on NASA - NSSDCA Website

View GLOBALSTAR M026, 25873 on Heavens-Above

View GLOBALSTAR M026, 25873 on Keep Track

View GLOBALSTAR M026, 25873 on Celestrak

View GLOBALSTAR M026, 25873 on Gunter's Space Page

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

GLOBALSTAR M026, 25873

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-02-06T08:17:41.860Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #41 in the year 1999 (1999-07-25 UTC)

GLOBALSTAR M026 Visibility forecast

Co-orbital & Co-planar RSOs

Check out GLOBALSTAR M026, 25873 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago