Showing default

OPS 1920, 2481

Orbit data source: Space-Track

OPS 1920, 2481 is a payload satellite owned by USAF SSD (US) in LEO that was launched on Wed, 05 Oct 1966 UTC via an ATLAS SLV-3 AGENA D launch vehicle from the Air Force Western Test Range (AFWTR). 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/2481?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/2481?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

2481, 1966-089A

Orbit

LEO

Last TLE update

1 day ago

Origin

United States Space Force (US)

Manufacturer

LMSC

Mission

Defense Early Warn

Bus & Motor

MIDAS, Unknown motor

Mass

~2,000 kg wet, ~1,000 kg dry

Launch date (UTC)

1966-10-05 (59 years ago)

Launch vehicle

ATLAS SLV-3 AGENA D

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cone + Cyl + 2 Pan, 3 m

Radar Cross Section

4.418 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 OPS 1920
1 02481U 66089A   25128.23014673 -.00000019  00000-0 -10449-1 0  9999
2 02481  89.8292  33.7872 0033123   6.4718 353.6556  8.59254765837881

Epoch: 2025-05-08T05:31Z

Definitive object data (Epoch: 2025-05-08T05:31:24.677Z)

Latitude

-0°

Longitude

84.63075°

Altitude

3,659.919 km

Speed

6.313 km/s

True Right ascension

02h 15m 08s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

-36.07279°

Longitude

-95.25132°

Altitude

3,732.829 km

Speed

6.27 km/s

Apparent Right ascension

15h 04m 24s

Apparent Declination

-71° 10' 38"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

13:41:47

Azimuth

172.947° S

Elevation

-22.073°

Doppler factor

Orbital elements

Apogee altitude

3,722.047 km

Perigee altitude

3,655.358 km

Semi-major axis

10,066.84 km

Eccentricity

0.0033123

Inclination

89.8292°

RAAN

33.7872°

Arg. of periapsis

6.4718°

True anomaly

353.61348°

Mean anomaly

353.6556°

Eccentric anomaly

353.63456°

Mean motion

2.14884 °/min

BSTAR

-0.010449

Orbital period

167.53 mins

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

Other satellites on launch #89 in the year 1966 (1966-10-05 UTC)

SECOR 8 (EGRS 8), 2520

OPS 1920 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.
33 mins	2025-05-09 07:27:06.420Z	353.682° N	2025-05-09 07:43:06.420Z	292.168° WNW	35.136°	2025-05-09 08:00:06.420Z	226.478° WSW
25 mins	2025-05-09 15:14:06.420Z	100.998° ESE	2025-05-09 15:26:06.420Z	57.128° ENE	23.284°	2025-05-09 15:39:06.420Z	11.277° NNE
36 mins	2025-05-09 17:52:06.420Z	174.882° S	2025-05-09 18:09:06.420Z	258.982° W	44.978°	2025-05-09 18:28:06.420Z	358.789° N
25 mins	2025-05-09 20:48:06.420Z	253.95° W	2025-05-09 21:00:06.420Z	297.454° NW	20.24°	2025-05-09 21:13:06.420Z	343.315° N
27 mins	2025-05-10 03:03:06.420Z	18.363° NNE	2025-05-10 03:16:06.420Z	65.613° ENE	22.209°	2025-05-10 03:30:06.420Z	115.194° SE

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

Check out OPS 1920, 2481 on other resources

View OPS 1920, 2481 on NASA - NSSDCA Website

View OPS 1920, 2481 on Heavens-Above

View OPS 1920, 2481 on Keep Track

View OPS 1920, 2481 on Celestrak

View OPS 1920, 2481 on Gunter's Space Page

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