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DMSP 5D-2 F9 (USA 29), 18822

Orbit data source: Space-Track

DMSP 5D-2 F9 (USA 29), 18822 is a payload satellite owned by USAF SD (US) in SSO that was launched on Wed, 03 Feb 1988 UTC via an ATLAS E 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/18822?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/18822?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

18822, 1988-006A

Orbit

SSO

Last TLE update

8 hours ago

Origin

United States Air Force (US)

Manufacturer

GE/East Windsor

Mission

Non-operational Defense Weather

Bus & Motor

BLOCK 5D, STAR 37S

Mass

~1,487 kg wet, ~773 kg dry

Launch date (UTC)

1988-02-03 (37 years ago)

Launch vehicle

ATLAS E

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 1 Pan, 3.5 m

Radar Cross Section

9.012 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 8 hours ago

0 DMSP 5D-2 F9 (USA 29)
1 18822U 88006A   25197.92658455  .00000159  00000-0  79814-4 0  9999
2 18822  98.3311  14.0866 0006038 351.5458   8.5622 14.28580420948436

Epoch: 2025-07-16T22:14Z

TLE epoch observation values (Epoch: 2025-07-16T22:14:16.905Z)

Latitude

0.00003°

Longitude

105.51642°

Altitude

795.133 km

Speed

7.458 km/s

True Right ascension

00h 56m 20s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-15.4611°

Longitude

108.15694°

Altitude

798.385 km

Speed

7.456 km/s

Apparent Right ascension

03h 30m 49s

Apparent Declination

-35° 38' 01"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

19:15:06

Azimuth

103.005° ESE

Elevation

-46.202°

Doppler factor

Orbital elements

Apogee altitude

797.939 km

Perigee altitude

789.279 km

Semi-major axis

7,171.746 km

Eccentricity

0.0006

Inclination

98.3311°

RAAN

14.0866°

Arg. of periapsis

351.5458°

True anomaly

Unknown

Mean anomaly

8.5622°

Eccentric anomaly

Unknown

Mean motion

3.5736 °/min

Orbital period

100.74 mins

BSTAR

0.000079814

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Other satellites on launch #6 in the year 1988 (1988-02-03 UTC)

DMSP 5D-2 F9 DEB, 18845 (Decayed)

DMSP 5D-2 F9 DEB, 18846 (Decayed)

DMSP 5D-2 F9 DEB, 18955 (Decayed)

DMSP 5D-2 F9 DEB, 18956 (Decayed)

DMSP 5D-2 F9 DEB, 18984 (Decayed)

DMSP 5D-2 F9 DEB, 39041 (Decayed)

DMSP 5D-2 F9 DEB, 39042 (Decayed)

DMSP 5D-2 F9 DEB, 39043 (Decayed)

DMSP 5D-2 F9 DEB, 39044 (Decayed)

DMSP 5D-2 F9 DEB, 39045 (Decayed)

DMSP 5D-2 F9 DEB, 39046

DMSP 5D-2 F9 DEB, 43329 (Decayed)

DMSP 5D-2 F9 (USA 29) 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	2025-07-17 11:48:13.110Z	168.728° S	2025-07-17 11:52:13.110Z	217.876° SW	44.716°	2025-07-17 11:57:13.110Z	345.361° N
8 mins	2025-07-18 00:03:13.110Z	37.835° NE	2025-07-18 00:06:13.110Z	87.32° E	32.07°	2025-07-18 00:11:13.110Z	165.576° S
6 mins	2025-07-18 01:43:13.110Z	335.753° NNW	2025-07-18 01:46:13.110Z	289.827° WNW	23.018°	2025-07-18 01:49:13.110Z	247.774° W

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 DMSP 5D-2 F9 (USA 29), 18822 on other resources

View DMSP 5D-2 F9 (USA 29), 18822 on NASA - NSSDCA Website

View DMSP 5D-2 F9 (USA 29), 18822 on Heavens-Above

View DMSP 5D-2 F9 (USA 29), 18822 on Keep Track

View DMSP 5D-2 F9 (USA 29), 18822 on Celestrak

View DMSP 5D-2 F9 (USA 29), 18822 on Gunter's Space Page

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