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OPS 1509 (TRANSIT 10), 1864

Orbit data source: Space-Track

OPS 1509 (TRANSIT 10), 1864 is a payload satellite owned by USN BuWeps (US) in LEO that was launched on Wed, 22 Dec 1965 UTC via an SCOUT A 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.

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<iframe src="https://www.satcat.com/sats-embedded/1864?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/1864?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

1864, 1965-109A

Orbit

LEO

Last TLE update

6 hours ago

Origin

United States Navy (US)

Manufacturer

APL

Mission

Defense Navigation

Bus & Motor

TRANSIT 5, Unknown motor

Mass

51 kg wet, 51 kg dry

Launch date (UTC)

1965-12-22 (60 years ago)

Launch vehicle

SCOUT A

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Oct Cyl + 4 Pan + 1 Rod, Unknown HBR

Radar Cross Section

7.565 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 6 hours ago

0 OPS 1509 (TRANSIT 10)
1  1864U 65109A   25199.21365706  .00000113  00000-0  92776-4 0  9996
2  1864  89.0602 268.4415 0111475 146.5369 214.2908 13.78933669990503

Epoch: 2025-07-18T05:07Z

TLE epoch observation values (Epoch: 2025-07-18T05:07:39.969Z)

Latitude

-0.00001°

Longitude

-104.74338°

Altitude

1,038.621 km

Speed

7.298 km/s

True Right ascension

17h 53m 45s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

27.6363°

Longitude

74.74238°

Altitude

889.776 km

Speed

7.451 km/s

Apparent Right ascension

08h 20m 19s

Apparent Declination

-5° 03' 12"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

23:50:40

Azimuth

67.933° E

Elevation

-31.377°

Doppler factor

Orbital elements

Apogee altitude

1,046.535 km

Perigee altitude

882.827 km

Semi-major axis

7,342.818 km

Eccentricity

0.01115

Inclination

89.0602°

RAAN

268.4415°

Arg. of periapsis

146.5369°

True anomaly

213.57933°

Mean anomaly

214.2908°

Eccentric anomaly

213.93425°

Mean motion

3.44944 °/min

Orbital period

104.36 mins

BSTAR

0.000092776

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Other satellites on launch #109 in the year 1965 (1965-12-22 UTC)

OPS 1509 (TRANSIT 10) 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.
9 mins	2025-07-18 16:10:05.729Z	21.075° NNE	2025-07-18 16:15:05.729Z	86.603° E	29.021°	2025-07-18 16:19:05.729Z	142.261° SSE
7 mins	2025-07-18 17:56:05.729Z	327.154° NNW	2025-07-18 17:59:05.729Z	283.367° WNW	26.281°	2025-07-18 18:03:05.729Z	228.493° WSW
7 mins	2025-07-19 03:55:05.729Z	116.42° SE	2025-07-19 03:58:05.729Z	79.625° E	22.727°	2025-07-19 04:02:05.729Z	31.847° NE
10 mins	2025-07-19 05:38:05.729Z	207.185° SW	2025-07-19 05:42:05.729Z	267.614° W	36.536°	2025-07-19 05:48:05.729Z	346.977° N

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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Authenticating...

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Check out OPS 1509 (TRANSIT 10), 1864 on other resources

View OPS 1509 (TRANSIT 10), 1864 on NASA - NSSDCA Website

View OPS 1509 (TRANSIT 10), 1864 on Heavens-Above

View OPS 1509 (TRANSIT 10), 1864 on Keep Track

View OPS 1509 (TRANSIT 10), 1864 on Celestrak

View OPS 1509 (TRANSIT 10), 1864 on Gunter's Space Page

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