DELTA 2 R/B, 25876

Orbit data source: Space-Track

DELTA 2 R/B, 25876 is space debris in LEO originally from a launch on Sun, 25 Jul 1999 UTC launched from the Air Force Eastern Test Range (AFETR). 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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Iframe URL

https://www.satcat.com/sats-embedded/25876?theme=dark&initialShowStats=false

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Identifier

25876, 1999-041E

Orbit

LEO

Country

Related business

Boeing (US)

Manufacturer

Boeing/HB

Mission

Spacecraft

Bus & Motor

DELTA/0020, Unknown motor

Mass

1,188 kg wet, 919 kg dry

Launch date (UTC)

1999-07-25 (27 years ago)

Launch vehicle

Unknown

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + Cone, 3.0 m

Radar Cross Section

13.645 m², Large (>1 m²)

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Last TLE update: 5 hours ago

TLE from 5 hours ago

0 DELTA 2 R/B
1 25876U 99041E   26260.25243059  .00000210  00000-0  72422-4 0  9991
2 25876  51.7620 255.8784 0500437 193.8473 164.8297 14.12250967390099

Epoch: 2026-09-17T06:03Z

TLE epoch observation values (Epoch: 2026-09-17T06:03:30.002Z)

Latitude

-0°

Longitude

168.81105°

Altitude

1,202.729 km

Speed

7.076 km/s

True Right ascension

17h 03m 30s

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

04:16:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,213.97 km

Perigee altitude

490.31 km

Semi-major axis

7,230.277 km

Eccentricity

0.05004

Inclination

51.762°

RAAN

255.8784°

Arg. of periapsis

193.8473°

True anomaly

166.24461°

Mean anomaly

164.8297°

Eccentric anomaly

165.54541°

Mean motion

3.53029 °/min

Orbital period

101.97 mins

BSTAR

0.000072422

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

GLOBALSTAR M043, 25874

GLOBALSTAR M026, 25873

GLOBALSTAR M028, 25875

GLOBALSTAR M048, 25872

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DELTA 2 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.
11 mins	2026-09-18 00:51:02.223Z	175.867° S	2026-09-18 00:57:02.223Z	122.842° SE	25.485°	2026-09-18 01:02:02.223Z	77.037° E
12 mins	2026-09-18 02:37:02.223Z	229.131° WSW	2026-09-18 02:43:02.223Z	168.529° S	87.506°	2026-09-18 02:49:02.223Z	53.086° ENE
11 mins	2026-09-18 04:25:02.223Z	277.712° WNW	2026-09-18 04:30:02.223Z	331.272° NNW	38.105°	2026-09-18 04:36:02.223Z	45.344° ENE
9 mins	2026-09-18 06:14:02.223Z	310.443° NW	2026-09-18 06:18:02.223Z	353.148° N	26.891°	2026-09-18 06:23:02.223Z	56.138° ENE
9 mins	2026-09-18 08:02:02.223Z	318.766° NNW	2026-09-18 08:06:02.223Z	13.497° NNE	41.684°	2026-09-18 08:11:02.223Z	95.041° ESE
8 mins	2026-09-18 09:49:02.223Z	294.77° NW	2026-09-18 09:53:02.223Z	222.895° SW	47.24°	2026-09-18 09:57:02.223Z	153.824° SSE

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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 DELTA 2 R/B, 25876 on other resources

View DELTA 2 R/B, 25876 on Heavens-Above

View DELTA 2 R/B, 25876 on Keep Track

View DELTA 2 R/B, 25876 on Celestrak

View DELTA 2 R/B, 25876 on Gunter's Space Page

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

DELTA 2 R/B, 25876

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 5 hours ago

TLE from 5 hours ago

TLE epoch observation values (Epoch: 2026-09-17T06:03:30.002Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

DELTA 2 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 2 R/B, 25876 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 5 hours ago