ARIANE 3 DEB (SYLDA), 15166
Orbit data source: Space-Track
ARIANE 3 DEB (SYLDA), 15166 is space debris in HEO originally from a launch on Sat, 04 Aug 1984 UTC launched from the French Guiana (FRGUI). 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
15166 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Edit Sat Name
Focus sentinelFocus sentinel
Create New Watchlist
Expand to show TLE details & historyLast TLE update: 3 days ago
TLE from 3 days ago
0 ARIANE 3 DEB (SYLDA)
1 15166U 84081D 26171.12815858 .00000187 00000-0 40934-2 0 9993
2 15166 6.7144 246.0522 7010206 164.2668 240.5985 2.42917049276256Epoch: 2026-06-20T03:04Z
TLE epoch observation values (Epoch: 2026-06-20T03:04:32.901Z)
Latitude
-0°
Longitude
-68.34241°
Altitude
30,163.37 km
Speed
2.183 km/s
True Right ascension
16h 24m 34s
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
02:14:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
33,392.959 km
Perigee altitude
612.218 km
Semi-major axis
23,380.726 km
Eccentricity
0.70102
Inclination
6.7144°
RAAN
246.0522°
Arg. of periapsis
164.2668°
True anomaly
195.80246°
Mean anomaly
240.5985°
Eccentric anomaly
216.63252°
Mean motion
0.60709 °/min
Orbital period
592.99 mins
BSTAR
0.0040934
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 #81 in the year 1984 (1984-08-04 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.ARIANE 3 DEB (SYLDA) 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. |
|---|---|---|---|---|---|---|---|
| 220 mins | 2026-06-23 05:05:20.434Z | 238.813° WSW | 2026-06-23 06:27:20.434Z | 239.707° WSW | 15.604° | 2026-06-23 08:45:20.434Z | 251.202° W |
| 8 mins | 2026-06-23 12:59:20.434Z | 231.497° WSW | 2026-06-23 13:03:20.434Z | 222.489° SW | 10.864° | 2026-06-23 13:07:20.434Z | 209.272° SW |
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 |
|---|