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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
28321 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Edit Sat Name
Focus sentinelFocus sentinel
Create New Watchlist
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
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 15 hours ago
TLE from 15 hours ago
0 DMSP 5D-2 F11 DEB
1 28321U 91082AJ 26208.65637674 .00984194 00000-0 94957-2 0 9999
2 28321 98.5074 349.6238 0016434 269.3085 90.6287 15.63750977164314Epoch: 2026-07-27T15:45Z
TLE epoch observation values (Epoch: 2026-07-27T15:45:10.950Z)
Latitude
-0.00004°
Longitude
167.99136°
Altitude
380.088 km
Speed
7.682 km/s
True Right ascension
23h 18m 29s
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
19:46:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
384.889 km
Perigee altitude
362.696 km
Semi-major axis
6,751.93 km
Eccentricity
0.00164
Inclination
98.5074°
RAAN
349.6238°
Arg. of periapsis
269.3085°
True anomaly
90.817°
Mean anomaly
90.6287°
Eccentric anomaly
90.72285°
Mean motion
3.91202 °/min
Orbital period
92.02 mins
BSTAR
0.0094957
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #82 in the year 1991 (1991-11-28 UTC)
Did you know?
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
Loading observer location...
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 | 2026-07-28 08:47:13.622Z | 116.971° SE | 2026-07-28 08:49:13.622Z | 71.227° E | 19.07° | 2026-07-28 08:51:13.622Z | 23.833° NE |
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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|