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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

US / 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: 9 hours ago

TLE from 9 hours ago

0 GLOBALSTAR M026
1 25873U 99041B   26122.20728602 -.00000091  00000-0 -99028-3 0  9991
2 25873  51.9984 178.1097 0001147  80.1074 313.1404 11.06839617183818

Epoch: 2026-05-02T04:58Z

TLE epoch observation values (Epoch: 2026-05-02T04:58:29.512Z)

Latitude

25.65008°

Longitude

-94.71151°

Altitude

2,127.188 km

Speed

6.85 km/s

True Right ascension

13h 20m 09s

True Declination

25° 32' 16"

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

21:52:41

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,128.285 km

Perigee altitude

2,126.334 km

Semi-major axis

8,505.446 km

Eccentricity

0.00011

Inclination

51.9984°

RAAN

178.1097°

Arg. of periapsis

80.1074°

True anomaly

313.13081°

Mean anomaly

313.1404°

Eccentric anomaly

313.1356°

Mean motion

2.76693 °/min

Orbital period

130.11 mins

BSTAR

-0.00099028

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

DELTA 2 R/B, 25876

GLOBALSTAR M043, 25874

GLOBALSTAR M028, 25875

GLOBALSTAR M048, 25872

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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.
15 mins	2026-05-02 14:11:08.553Z	282.091° WNW	2026-05-02 14:14:08.553Z	236.636° WSW	42.345°	2026-05-02 14:26:08.553Z	149.112° SSE
11 mins	2026-05-02 16:25:08.553Z	271.526° WNW	2026-05-02 16:30:08.553Z	244.459° WSW	16.192°	2026-05-02 16:36:08.553Z	213.341° SW
20 mins	2026-05-03 04:42:08.553Z	183.672° SSW	2026-05-03 04:51:08.553Z	127.746° SE	32.586°	2026-05-03 05:02:08.553Z	61.371° ENE
23 mins	2026-05-03 06:57:08.553Z	239.097° WSW	2026-05-03 07:08:08.553Z	321.468° NNW	44.402°	2026-05-03 07:20:08.553Z	52.96° ENE
22 mins	2026-05-03 09:17:08.553Z	283.762° WNW	2026-05-03 09:27:08.553Z	349.316° N	36.626°	2026-05-03 09:39:08.553Z	66.493° ENE
22 mins	2026-05-03 11:37:08.553Z	307.025° NW	2026-05-03 11:47:08.553Z	18.568° NNE	40.796°	2026-05-03 11:59:08.553Z	102.127° ESE
16 mins	2026-05-03 13:55:08.553Z	302.911° NW	2026-05-03 14:05:08.553Z	229.464° WSW	42.026°	2026-05-03 14:11:08.553Z	161.285° S

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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: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-05-02T04:58:29.512Z)

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: 9 hours ago