THORAD DELTA 1 DEB, 9987
Orbit data source: Space-Track
THORAD DELTA 1 DEB, 9987 is space debris in SSO originally from a launch on Fri, 15 Nov 1974 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
9987 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Expand to show TLE details & historyLast TLE update: 15 hours ago
TLE from 15 hours ago
0 THORAD DELTA 1 DEB
1 9987U 74089EE 26035.33722465 .00000772 00000-0 51348-2 0 9998
2 9987 101.4641 174.9065 0092054 1.8021 66.6683 12.52049108332720Epoch: 2026-02-04T08:05Z
TLE epoch observation values (Epoch: 2026-02-04T08:05:36.209Z)
Latitude
66.66582°
Longitude
-108.89163°
Altitude
1,439.303 km
Speed
7.161 km/s
True Right ascension
09h 48m 03s
True Declination
66° 33' 05"
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
00:45:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,525.556 km
Perigee altitude
1,381.37 km
Semi-major axis
7,831.6 km
Eccentricity
0.00921
Inclination
101.4641°
RAAN
174.9065°
Arg. of periapsis
1.8021°
True anomaly
67.64129°
Mean anomaly
66.6683°
Eccentric anomaly
67.15436°
Mean motion
3.13161 °/min
Orbital period
114.96 mins
BSTAR
0.0051348
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 #89 in the year 1974 (1974-11-15 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.THORAD DELTA 1 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. |
|---|---|---|---|---|---|---|---|
| 13 mins | 2026-02-04 23:39:43.620Z | 356.687° N | 2026-02-04 23:45:43.620Z | 308.011° NW | 27.087° | 2026-02-04 23:52:43.620Z | 248.129° W |
| 8 mins | 2026-02-05 06:57:43.620Z | 76.737° E | 2026-02-05 07:00:43.620Z | 51.686° ENE | 16.889° | 2026-02-05 07:05:43.620Z | 12.885° NNE |
| 14 mins | 2026-02-05 08:45:43.620Z | 154.393° SSE | 2026-02-05 08:52:43.620Z | 55.387° ENE | 44.474° | 2026-02-05 08:59:43.620Z | 345.885° N |
| 9 mins | 2026-02-05 10:42:43.620Z | 236.291° WSW | 2026-02-05 10:46:43.620Z | 271.863° WNW | 18.746° | 2026-02-05 10:51:43.620Z | 311.276° NW |
| 12 mins | 2026-02-05 20:49:43.620Z | 46.69° ENE | 2026-02-05 20:55:43.620Z | 100.802° ESE | 25.386° | 2026-02-05 21:01:43.620Z | 148.712° SSE |
| 4 mins | 2026-02-05 22:41:43.620Z | 8.981° NNE | 2026-02-05 22:45:43.620Z | 353.174° N | 34.884° | 2026-02-05 22:45:43.620Z | 353.174° N |
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 |
|---|