DELTA 1 R/B(2), 5977

Orbit data source: Space-Track

DELTA 1 R/B(2), 5977 is space debris in HEO originally from a launch on Thu, 06 Feb 1969 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/5977?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

5977, 1969-011B

Orbit

HEO

Last TLE update

18 hours ago

Origin

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Thiokol/TE

Mission

Spacecraft

Bus & Motor

STAR 37, Unknown motor

Mass

65 kg wet, 65 kg dry

Launch date (UTC)

1969-02-06 (56 years ago)

Launch vehicle

Unknown

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Sphere + Cone, 1 m

Radar Cross Section

0.734 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 18 hours ago

0 DELTA 1 R/B(2)
1 05977U 69011B   25196.51893433  .00005914  00000-0  17759-2 0  9994
2 05977  29.6057 134.8229 5533561 329.8055   7.4770  4.72151669486776

Epoch: 2025-07-15T12:27Z

TLE epoch observation values (Epoch: 2025-07-15T12:27:15.926Z)

Latitude

-0.00006°

Longitude

14.37594°

Altitude

662.349 km

Speed

9.31 km/s

True Right ascension

08h 59m 13s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

9.80407°

Longitude

176.03081°

Altitude

16,590.017 km

Speed

2.856 km/s

Apparent Right ascension

19h 56m 27s

Apparent Declination

0° 32' 13"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

19:07:02

Azimuth

161.354° S

Elevation

48.003°

Doppler factor

Orbital elements

Apogee altitude

16,940.971 km

Perigee altitude

326.917 km

Semi-major axis

15,012.081 km

Eccentricity

0.55336

Inclination

29.6057°

RAAN

134.8229°

Arg. of periapsis

329.8055°

True anomaly

Unknown

Mean anomaly

7.477°

Eccentric anomaly

Unknown

Mean motion

1.18 °/min

Orbital period

305.08 mins

BSTAR

0.0017759

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Other satellites on launch #11 in the year 1969 (1969-02-06 UTC)

INTELSAT 3-F3, 3674

DELTA 1 R/B(2) 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.
75 mins	2025-07-16 06:30:06.044Z	161.37° S	2025-07-16 06:30:06.044Z	161.37° S	36.605°	2025-07-16 07:45:06.044Z	147.002° SSE
155 mins	2025-07-17 00:13:06.044Z	228.294° WSW	2025-07-17 00:27:06.044Z	151.213° SSE	41.431°	2025-07-17 02:48:06.044Z	99.569° ESE
51 mins	2025-07-17 05:39:06.044Z	276.979° WNW	2025-07-17 06:30:06.044Z	242.746° WSW	38.02°	2025-07-17 06:30:06.044Z	242.746° WSW

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 DELTA 1 R/B(2), 5977 on other resources

View DELTA 1 R/B(2), 5977 on Heavens-Above

View DELTA 1 R/B(2), 5977 on Keep Track

View DELTA 1 R/B(2), 5977 on Celestrak

View DELTA 1 R/B(2), 5977 on Gunter's Space Page

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