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GLOBALSTAR M023, 25621

Orbit data source: Space-Track

GLOBALSTAR M023, 25621 is a payload satellite owned by Globalstar (US) in LEO that was launched on Tue, 09 Feb 1999 UTC via a SOYUZ-U-PVB launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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 URL

https://www.satcat.com/sats-embedded/25621?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

25621, 1999-004A

Orbit

LEO

Last TLE update

9 hours ago

Origin

Globalstar Inc. (Unknown / GLOB)

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)

1999-02-09 (26 years ago)

Launch vehicle

SOYUZ-U-PVB

Launch site

Tyuratam Missile And Space Complex (TTMTR)

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

TLE from 9 hours ago

0 GLOBALSTAR M023
1 25621U 99004A   25199.61783619 -.00000189  00000-0 -47363-3 0  9991
2 25621  52.0130 317.7352 0010134 191.4362 182.3120 12.62503736219792

Epoch: 2025-07-18T14:49Z

TLE epoch observation values (Epoch: 2025-07-18T14:49:41.046Z)

Latitude

10.78301°

Longitude

167.15819°

Altitude

1,420.453 km

Speed

7.149 km/s

True Right ascension

21h 44m 59s

True Declination

10° 43' 31"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-43.42724°

Longitude

24.88389°

Altitude

1,421.908 km

Speed

7.153 km/s

Apparent Right ascension

11h 19m 07s

Apparent Declination

-85° 07' 47"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

12:25:05

Azimuth

181.691° SSW

Elevation

-35.234°

Doppler factor

Orbital elements

Apogee altitude

1,420.913 km

Perigee altitude

1,405.122 km

Semi-major axis

7,791.155 km

Eccentricity

0.00101

Inclination

52.013°

RAAN

317.7352°

Arg. of periapsis

191.4362°

True anomaly

182.30732°

Mean anomaly

182.312°

Eccentric anomaly

182.30966°

Mean motion

3.15602 °/min

Orbital period

114.07 mins

BSTAR

-0.00047363

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Other satellites on launch #4 in the year 1999 (1999-02-09 UTC)

GLOBALSTAR M040, 25622

GLOBALSTAR M036, 25623

GLOBALSTAR M038, 25624

SL-4 R/B(1), 25625 (Decayed)

GLOBALSTAR M023 Visibility forecast

Observer location: undefined°, undefined°

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.
4 mins	2025-07-19 08:00:26.754Z	127.349° SE	2025-07-19 08:02:26.754Z	113.321° SE	11.382°	2025-07-19 08:04:26.754Z	99.578° ESE
15 mins	2025-07-19 09:53:26.754Z	203.854° SW	2025-07-19 10:00:26.754Z	126.894° SE	39.537°	2025-07-19 10:08:26.754Z	58.224° ENE
15 mins	2025-07-19 11:53:26.754Z	259.757° W	2025-07-19 12:00:26.754Z	343.162° N	39.737°	2025-07-19 12:08:26.754Z	50.873° ENE
13 mins	2025-07-19 13:55:26.754Z	300.488° NW	2025-07-19 14:01:26.754Z	358.654° N	31.122°	2025-07-19 14:08:26.754Z	60.832° ENE
14 mins	2025-07-19 15:56:26.754Z	313.944° NW	2025-07-19 16:02:26.754Z	13.886° NNE	37.935°	2025-07-19 16:10:26.754Z	97.137° ESE
15 mins	2025-07-19 17:55:26.754Z	302.6° NW	2025-07-19 18:02:26.754Z	242.536° WSW	41.848°	2025-07-19 18:10:26.754Z	147.606° SSE
7 mins	2025-07-19 19:58:26.754Z	263.377° W	2025-07-19 20:01:26.754Z	240.827° WSW	14.581°	2025-07-19 20:05:26.754Z	212.126° SW

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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Check out GLOBALSTAR M023, 25621 on other resources

View GLOBALSTAR M023, 25621 on NASA - NSSDCA Website

View GLOBALSTAR M023, 25621 on Heavens-Above

View GLOBALSTAR M023, 25621 on Keep Track

View GLOBALSTAR M023, 25621 on Celestrak

View GLOBALSTAR M023, 25621 on Gunter's Space Page

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