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GLOBALSTAR M028, 25875

Orbit data source: Space-Track

GLOBALSTAR M028, 25875 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/25875?theme=dark&initialShowStats=false

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Identifier

25875, 1999-041D

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: 18 hours ago

TLE from 18 hours ago

0 GLOBALSTAR M028
1 25875U 99041D   26031.81490886 -.00000060  00000-0  26097-3 0  9990
2 25875  51.9600 231.3299 0062783 207.2513 152.5048 12.50595537218788

Epoch: 2026-01-31T19:33Z

TLE epoch observation values (Epoch: 2026-01-31T19:33:28.125Z)

Latitude

-0.00001°

Longitude

166.92921°

Altitude

1,506.406 km

Speed

7.093 km/s

True Right ascension

15h 25m 19s

True Declination

0° 00' 00"

Sunlit

Object was in daylight 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

15:27:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,511.626 km

Perigee altitude

1,413.175 km

Semi-major axis

7,840.538 km

Eccentricity

0.00628

Inclination

51.96°

RAAN

231.3299°

Arg. of periapsis

207.2513°

True anomaly

152.83465°

Mean anomaly

152.5048°

Eccentric anomaly

152.66995°

Mean motion

3.12626 °/min

Orbital period

115.15 mins

BSTAR

0.00026097

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

GLOBALSTAR M026, 25873

GLOBALSTAR M043, 25874

DELTA 2 R/B, 25876

GLOBALSTAR M048, 25872

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GLOBALSTAR M028 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.
17 mins	2026-02-01 14:50:12.727Z	199.482° SSW	2026-02-01 14:59:12.727Z	121.274° SE	36.171°	2026-02-01 15:07:12.727Z	60.302° ENE
16 mins	2026-02-01 16:52:12.727Z	251.171° W	2026-02-01 16:59:12.727Z	318.312° NNW	42.02°	2026-02-01 17:08:12.727Z	50.958° ENE
15 mins	2026-02-01 18:55:12.727Z	293.12° NW	2026-02-01 19:02:12.727Z	357.047° N	32.236°	2026-02-01 19:10:12.727Z	61.465° ENE
16 mins	2026-02-01 20:57:12.727Z	309.667° NW	2026-02-01 21:05:12.727Z	27° NE	36.943°	2026-02-01 21:13:12.727Z	93.974° ESE
15 mins	2026-02-01 22:59:12.727Z	303.921° NW	2026-02-01 23:06:12.727Z	230.922° WSW	43.776°	2026-02-01 23:14:12.727Z	141.283° SSE
9 mins	2026-02-02 01:02:12.727Z	270.131° WNW	2026-02-02 01:06:12.727Z	238.949° WSW	17.823°	2026-02-02 01:11:12.727Z	202.394° SSW

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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 M028, 25875 on other resources

View GLOBALSTAR M028, 25875 on NASA - NSSDCA Website

View GLOBALSTAR M028, 25875 on Heavens-Above

View GLOBALSTAR M028, 25875 on Keep Track

View GLOBALSTAR M028, 25875 on Celestrak

View GLOBALSTAR M028, 25875 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 M028, 25875

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2026-01-31T19:33:28.125Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

GLOBALSTAR M028 Visibility forecast

Co-orbital & Co-planar RSOs

Check out GLOBALSTAR M028, 25875 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 18 hours ago