LEO 1, 43113
Orbit data source: Space-Track
LEO 1, 43113 is a payload satellite owned by Telesat (Loral) (US) in SSO that was launched on Fri, 12 Jan 2018 UTC via a PSLV-XL launch vehicle from the Sirharikota (SRI). 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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
43113 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SSTL (Astrium)
Mission
Partially operational Commercial Communications
Bus & Motor
SSTL-42, Unknown motor
Mass
~100 kg wet, ~100 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Dish, 0.5 m
Radar Cross Section
0.735 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 4 hours ago
TLE from 4 hours ago
0 LEO 1
1 43113U 18004C 25354.16989448 .00002815 00000-0 20277-3 0 9990
2 43113 99.2525 244.1639 0353710 268.4561 87.6103 14.66551402411236Epoch: 2025-12-20T04:04Z
TLE epoch observation values (Epoch: 2025-12-20T04:04:38.883Z)
Latitude
-0.00006°
Longitude
94.00135°
Altitude
673.481 km
Speed
7.521 km/s
True Right ascension
16h 16m 39s
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
07:03:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
918.489 km
Perigee altitude
419.946 km
Semi-major axis
7,047.355 km
Eccentricity
0.03537
Inclination
99.2525°
RAAN
244.1639°
Arg. of periapsis
268.4561°
True anomaly
91.66409°
Mean anomaly
87.6103°
Eccentric anomaly
89.63687°
Mean motion
3.66863 °/min
Orbital period
98.13 mins
BSTAR
0.00020277
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 #4 in the year 2018 (2018-01-12 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.LEO 1 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-20 15:41:47.149Z | 107.71° ESE | 2025-12-20 15:44:47.149Z | 66.933° ENE | 22.876° | 2025-12-20 15:48:47.149Z | 15.333° NNE |
| 9 mins | 2025-12-20 17:17:47.149Z | 192.69° SSW | 2025-12-20 17:21:47.149Z | 267.239° W | 36.049° | 2025-12-20 17:26:47.149Z | 333.265° NNW |
| 8 mins | 2025-12-21 05:14:47.149Z | 33.252° NE | 2025-12-21 05:18:47.149Z | 99.73° ESE | 34.399° | 2025-12-21 05:22:47.149Z | 166.475° S |
| 6 mins | 2025-12-21 06:52:47.149Z | 335.183° NNW | 2025-12-21 06:55:47.149Z | 289.479° WNW | 23.146° | 2025-12-21 06:58:47.149Z | 248.894° W |
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 |
|---|