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SOLRAD 11A, 8748

Orbit data source: Space-Track

SOLRAD 11A, 8748 is a payload satellite owned by NRL (US) that was launched on Mon, 15 Mar 1976 UTC via a TITAN IIIC launch vehicle from the Air Force Eastern Test Range (AFETR). 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/8748?theme=dark&initialShowStats=false

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ISO8601 Format

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ISO8601 Format

Identifier

8748, 1976-023C

Orbit

Active

Country

Related business

United States Navy (US)

Manufacturer

NRL

Mission

Spacecraft

Bus & Motor

SR 11, STAR 13A

Mass

171 kg wet, 171 kg dry

Launch date (UTC)

1976-03-15 (50 years ago)

Launch vehicle

TITAN IIIC

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

CYL + 2 PAN, 1.3 m

Radar Cross Section

RCS unknown

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Last TLE update: in 4 days

TLE from in 4 days

0 SOLRAD 11A
1  8748U 76023C   26226.17861560 -.00000651  00000-0  00000+0 0  9999
2  8748  14.6736 357.9104 0067439 219.6006  11.4182  0.19674424  5579

Epoch: 2026-08-14T04:17Z

TLE epoch observation values (Epoch: 2026-08-14T04:17:12.387Z)

Latitude

-11.34494°

Longitude

-158.73474°

Altitude

117,694.72 km

Speed

1.798 km/s

True Right ascension

15h 12m 41s

True Declination

-11° 20' 28"

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

14:48:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

119,336.99 km

Perigee altitude

117,652.728 km

Semi-major axis

124,872.996 km

Eccentricity

0.00674

Inclination

14.6736°

RAAN

357.9104°

Arg. of periapsis

219.6006°

True anomaly

11.57246°

Mean anomaly

11.4182°

Eccentric anomaly

11.4952°

Mean motion

0.04919 °/min

Orbital period

7,319.17 mins

BSTAR

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Other satellites on launch #23 in the year 1976 (1976-03-15 UTC)

SOLRAD 11A/B AKM, 8753

LES 8, 8746

TITAN 3C TRANSTAGE R/B, 8751

LES 8 9/SOL 11A B DEB *, 13753

TITAN 3C R/B(1), 8750 (Decayed)

LES 9, 8747

SOLRAD 11B, 8749

TITAN 3C TRANSTAGE DEB, 8832

SOLRAD 11A/B PKM, 8752

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SOLRAD 11A 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.
631 mins	2026-08-10 01:42:09.871Z	119.039° SE	2026-08-10 06:58:09.871Z	183.63° SSW	31.412°	2026-08-10 12:13:09.871Z	249.223° 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 SOLRAD 11A, 8748 on other resources

View SOLRAD 11A, 8748 on NASA - NSSDCA Website

View SOLRAD 11A, 8748 on Heavens-Above

View SOLRAD 11A, 8748 on Keep Track

View SOLRAD 11A, 8748 on Celestrak

View SOLRAD 11A, 8748 on Gunter's Space Page

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

SOLRAD 11A, 8748

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: in 4 days

TLE from in 4 days

TLE epoch observation values (Epoch: 2026-08-14T04:17:12.387Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #23 in the year 1976 (1976-03-15 UTC)

SOLRAD 11A Visibility forecast

Co-orbital & Co-planar RSOs

Check out SOLRAD 11A, 8748 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: in 4 days