DELTA 1 R/B, 3616

Orbit data source: Space-Track

DELTA 1 R/B, 3616 is space debris in SSO originally from a launch on Sun, 15 Dec 1968 UTC launched from the Air Force Western Test Range (AFWTR). 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 src="https://www.satcat.com/sats-embedded/3616?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/3616?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

3616, 1968-114B

Orbit

SSO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Aerojet

Mission

Spacecraft

Bus & Motor

ABLESTAR, Unknown motor

Mass

~785 kg wet, ~785 kg dry

Launch date (UTC)

1968-12-15 (58 years ago)

Launch vehicle

Unknown

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 2 days ago

TLE from 2 days ago

0 DELTA 1 R/B
1  3616U 68114B   26171.41891068 -.00000025  00000-0  12700-3 0  9991
2  3616 101.6851 117.6405 0013722  20.1749  98.2424 12.51402387629001

Epoch: 2026-06-20T10:03Z

TLE epoch observation values (Epoch: 2026-06-20T10:03:13.882Z)

Latitude

59.40942°

Longitude

-101.42842°

Altitude

1,470.082 km

Speed

7.133 km/s

True Right ascension

21h 12m 03s

True Declination

59° 16' 20"

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

23:27:27

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,466.926 km

Perigee altitude

1,445.426 km

Semi-major axis

7,834.313 km

Eccentricity

0.00137

Inclination

101.6851°

RAAN

117.6405°

Arg. of periapsis

20.1749°

True anomaly

98.39798°

Mean anomaly

98.2424°

Eccentric anomaly

98.32019°

Mean motion

3.12998 °/min

Orbital period

115.02 mins

BSTAR

0.000127

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Other satellites on launch #114 in the year 1968 (1968-12-15 UTC)

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DELTA 1 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.
14 mins	2026-06-22 19:06:06.920Z	126.127° SE	2026-06-22 19:13:06.920Z	68.686° E	32.638°	2026-06-22 19:20:06.920Z	359.332° N
14 mins	2026-06-22 21:00:06.920Z	192.445° SSW	2026-06-22 21:06:06.920Z	253.956° W	35.942°	2026-06-22 21:14:06.920Z	330.787° NNW
14 mins	2026-06-23 09:03:06.920Z	26.129° NE	2026-06-23 09:10:06.920Z	119.356° SE	41.94°	2026-06-23 09:17:06.920Z	184.24° SSW
11 mins	2026-06-23 10:57:06.920Z	349.621° N	2026-06-23 11:02:06.920Z	302.437° NW	26.611°	2026-06-23 11:08:06.920Z	250.585° W

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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 1 R/B, 3616 on other resources

View DELTA 1 R/B, 3616 on Heavens-Above

View DELTA 1 R/B, 3616 on Keep Track

View DELTA 1 R/B, 3616 on Celestrak

View DELTA 1 R/B, 3616 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 1 R/B, 3616

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T10:03:13.882Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #114 in the year 1968 (1968-12-15 UTC)

DELTA 1 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out DELTA 1 R/B, 3616 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago