ARIANE 40 R/B, 25261

Orbit data source: Space-Track

ARIANE 40 R/B, 25261 is space debris in SSO originally from a launch on Tue, 24 Mar 1998 UTC launched from the French Guiana (FRGUI). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.

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https://www.satcat.com/sats-embedded/25261?theme=dark&initialShowStats=false

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Identifier

25261, 1998-017B

Orbit

SSO

Country

Related business

ArianeGroup (FR)

Manufacturer

Ae/LesM

Mission

Spacecraft

Bus & Motor

ARIANE H10-3, Unknown motor

Mass

1,820 kg wet, 1,820 kg dry

Launch date (UTC)

1998-03-24 (28 years ago)

Launch vehicle

Unknown

Launch site

French Guiana (FRGUI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 5.5 m

Radar Cross Section

25.199 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 21 hours ago

TLE from 21 hours ago

0 ARIANE 40 R/B
1 25261U 98017B   26171.08073143  .00000238  00000-0  97273-4 0  9999
2 25261  98.8142 202.0888 0004570 110.9773 249.1901 14.36349365476403

Epoch: 2026-06-20T01:56Z

TLE epoch observation values (Epoch: 2026-06-20T01:56:15.195Z)

Latitude

-0.00007°

Longitude

-95.27499°

Altitude

774.681 km

Speed

7.466 km/s

True Right ascension

13h 28m 21s

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

10:18:38

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

770.993 km

Perigee altitude

764.462 km

Semi-major axis

7,145.865 km

Eccentricity

0.00046

Inclination

98.8142°

RAAN

202.0888°

Arg. of periapsis

110.9773°

True anomaly

249.14116°

Mean anomaly

249.1901°

Eccentric anomaly

249.16563°

Mean motion

3.59303 °/min

Orbital period

100.19 mins

BSTAR

0.000097273

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Other satellites on launch #17 in the year 1998 (1998-03-24 UTC)

ARIANE 4O DEB, 60247 (Decayed)

SPOT 4 DEB, 44586 (Decayed)

SPOT 4, 25260

ARIANE 4O DEB, 60248 (Decayed)

SPOT 4 DEB, 44585 (Decayed)

SPOT 4 DEB, 37576 (Decayed)

SPOT 4 DEB, 39201 (Decayed)

SPOT 4 DEB, 37575 (Decayed)

SPOT 4 DEB, 44587 (Decayed)

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ARIANE 40 R/B 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.
8 mins	2026-06-21 01:28:23.698Z	136.779° SSE	2026-06-21 01:32:23.698Z	69.999° E	34.314°	2026-06-21 01:36:23.698Z	3.502° NNE
5 mins	2026-06-21 03:09:23.698Z	232.64° WSW	2026-06-21 03:11:23.698Z	262.352° W	19.863°	2026-06-21 03:14:23.698Z	305.583° NW
8 mins	2026-06-21 15:18:23.698Z	2.584° NNE	2026-06-21 15:21:23.698Z	306.545° NW	41.511°	2026-06-21 15:26:23.698Z	207.387° SW

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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 ARIANE 40 R/B, 25261 on other resources

View ARIANE 40 R/B, 25261 on Heavens-Above

View ARIANE 40 R/B, 25261 on Keep Track

View ARIANE 40 R/B, 25261 on Celestrak

View ARIANE 40 R/B, 25261 on Gunter's Space Page

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

ARIANE 40 R/B, 25261

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2026-06-20T01:56:15.195Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #17 in the year 1998 (1998-03-24 UTC)

ARIANE 40 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out ARIANE 40 R/B, 25261 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 21 hours ago