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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18822 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
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)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 1 Pan, 3.5 m
Radar Cross Section
9.012 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 DMSP 5D-2 F9 (USA 29)
1 18822U 88006A 26171.46663584 .00000151 00000-0 76383-4 0 9990
2 18822 98.3574 337.9285 0007443 65.3683 294.8274 14.28833401996773Epoch: 2026-06-20T11:11Z
TLE epoch observation values (Epoch: 2026-06-20T11:11:57.336Z)
Latitude
-0.00003°
Longitude
-98.74125°
Altitude
796.331 km
Speed
7.457 km/s
True Right ascension
22h 31m 42s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
00:50:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
798.1 km
Perigee altitude
787.426 km
Semi-major axis
7,170.9 km
Eccentricity
0.00074
Inclination
98.3574°
RAAN
337.9285°
Arg. of periapsis
65.3683°
True anomaly
294.74996°
Mean anomaly
294.8274°
Eccentric anomaly
294.78868°
Mean motion
3.57423 °/min
Orbital period
100.72 mins
BSTAR
0.000076383
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Other satellites on launch #6 in the year 1988 (1988-02-03 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.DMSP 5D-2 F9 (USA 29) 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 22:39:08.969Z | 68.528° E | 2026-06-22 22:41:08.969Z | 93.5° ESE | 13.97° | 2026-06-22 22:43:08.969Z | 117.596° SE |
| 8 mins | 2026-06-23 00:17:08.969Z | 3.988° NNE | 2026-06-23 00:21:08.969Z | 273.864° WNW | 42.057° | 2026-06-23 00:25:08.969Z | 207.71° SW |
| 6 mins | 2026-06-23 09:57:08.969Z | 101.263° ESE | 2026-06-23 10:00:08.969Z | 57.808° ENE | 19.793° | 2026-06-23 10:03:08.969Z | 20.092° NNE |
| 8 mins | 2026-06-23 11:35:08.969Z | 192.174° SSW | 2026-06-23 11:39:08.969Z | 266.201° W | 35.98° | 2026-06-23 11:43:08.969Z | 331.093° NNW |
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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