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JD 2, 14729

Orbit data source: Space-Track

JD 2, 14729 is an American payload satellite in LEO that was launched on Sun, 05 Feb 1984 UTC via an ATLAS H 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/14729?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/14729?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

14729, 1984-012D

Orbit

LEO

Last TLE update

4 hours ago

Origin

National Reconnaissance Office (US)

Manufacturer

Martin Marietta

Mission

Defense Sigint

Bus & Motor

NOSS SSU, Unknown motor

Mass

200 kg wet, 200 kg dry

Launch date (UTC)

1984-02-05 (41 years ago)

Launch vehicle

ATLAS H

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Hex Poly, 0.5 m

Radar Cross Section

0.339 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 4 hours ago

0 JD 2
1 14729U 84012D   25198.17471082  .00002607  00000-0  28766-3 0  9990
2 14729  63.3005 234.0177 0777119 122.5091 245.3487 13.73124794297853

Epoch: 2025-07-17T04:11Z

TLE epoch observation values (Epoch: 2025-07-17T04:11:35.014Z)

Latitude

-0.00004°

Longitude

-124.12251°

Altitude

1,263.914 km

Speed

7.089 km/s

True Right ascension

15h 36m 04s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

26.62087°

Longitude

-110.01495°

Altitude

970.641 km

Speed

7.379 km/s

Apparent Right ascension

13h 29m 02s

Apparent Declination

-7° 40' 53"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

20:31:29

Azimuth

274.112° WNW

Elevation

-16.878°

Doppler factor

Orbital elements

Apogee altitude

1,559.562 km

Perigee altitude

414.815 km

Semi-major axis

7,365.326 km

Eccentricity

0.07771

Inclination

63.3005°

RAAN

234.0177°

Arg. of periapsis

122.5091°

True anomaly

Unknown

Mean anomaly

245.3487°

Eccentric anomaly

Unknown

Mean motion

3.43364 °/min

Orbital period

104.84 mins

BSTAR

0.00028766

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Other satellites on launch #12 in the year 1984 (1984-02-05 UTC)

OPS 8737, 14690

ATLAS H R/B, 14691 (Decayed)

JD 1, 14728

OPS 8737 DEB, 14761 (Decayed)

JD 3, 14795

OPS 8737 DEB, 14964 (Decayed)

OPS 8737 DEB, 14969 (Decayed)

OPS 8737 DEB, 15347

OPS 8737 DEB, 15348

OPS 8737 DEB, 15349

OPS 8737 DEB, 19441 (Decayed)

OPS 8737 DEB, 28529

JD 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.
4 mins	2025-07-17 13:31:22.843Z	297.053° NW	2025-07-17 13:32:22.843Z	263.82° W	33.712°	2025-07-17 13:35:22.843Z	169.555° S
8 mins	2025-07-18 03:02:22.843Z	161.316° S	2025-07-18 03:06:22.843Z	115.506° SE	22.826°	2025-07-18 03:10:22.843Z	64.433° ENE
9 mins	2025-07-18 04:49:22.843Z	234.74° WSW	2025-07-18 04:54:22.843Z	307.598° NW	37.031°	2025-07-18 04:58:22.843Z	20.087° NNE

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 JD 2, 14729 on other resources

View JD 2, 14729 on NASA - NSSDCA Website

View JD 2, 14729 on Heavens-Above

View JD 2, 14729 on Keep Track

View JD 2, 14729 on Celestrak

View JD 2, 14729 on Gunter's Space Page

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