DMSP 5D-2 F11 DEB, 28321
Orbit data source: Space-Track
DMSP 5D-2 F11 DEB, 28321 is space debris in SSO originally from a launch on Thu, 28 Nov 1991 UTC launched from the Air Force Western Test Range (AFWTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.
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28321 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Unknown
Mission
Spacecraft
Bus & Motor
Unknown
Mass
Unknown
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Unknown shape, 0.1 m
Radar Cross Section
Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 DMSP 5D-2 F11 DEB
1 28321U 91082AJ 26120.82949174 .00136006 00000-0 61946-2 0 9995
2 28321 98.5188 248.2157 0004349 235.0295 275.6997 15.20055160150839Epoch: 2026-04-30T19:54Z
TLE epoch observation values (Epoch: 2026-04-30T19:54:28.086Z)
Latitude
29.01597°
Longitude
-84.43234°
Altitude
509.079 km
Speed
7.612 km/s
True Right ascension
04h 51m 49s
True Declination
28° 51' 54"
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
21:56:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
505.683 km
Perigee altitude
499.698 km
Semi-major axis
6,880.828 km
Eccentricity
0.00043
Inclination
98.5188°
RAAN
248.2157°
Arg. of periapsis
235.0295°
True anomaly
275.65011°
Mean anomaly
275.6997°
Eccentric anomaly
275.6749°
Mean motion
3.80261 °/min
Orbital period
94.67 mins
BSTAR
0.0061946
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Other satellites on launch #82 in the year 1991 (1991-11-28 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 F11 DEB 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-05-01 21:04:45.953Z | 25.193° NE | 2026-05-01 21:08:45.953Z | 127.882° SE | 35.171° | 2026-05-01 21:11:45.953Z | 176.372° S |
| 4 mins | 2026-05-02 07:44:45.953Z | 99.689° ESE | 2026-05-02 07:45:45.953Z | 76.183° E | 21.913° | 2026-05-02 07:48:45.953Z | 16.95° NNE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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