Showing default

ALSAT 1B, 41785

Orbit data source: Space-Track

ALSAT 1B, 41785 is a payload satellite owned by ASAL (DZ) in SSO that was launched on Mon, 26 Sep 2016 UTC via a PSLV 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/41785?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/41785?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

41785, 2016-059C

Orbit

SSO

Country

DZ / ALG

Related business

Algerian Space Agency (DZ)

Manufacturer

SSTL (Astrium)

Mission

Operational Civil Imaging

Bus & Motor

SSTL-100, Unknown motor

Mass

103 kg wet, 103 kg dry

Launch date (UTC)

2016-09-26 (10 years ago)

Launch vehicle

PSLV

Launch site

Sirharikota (SRI)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Ant, 3.3 m

Radar Cross Section

0.862 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 4 hours ago

TLE from 4 hours ago

0 ALSAT 1B
1 41785U 16059C   26127.32581012  .00000403  00000-0  71260-4 0  9993
2 41785  97.7766 137.8527 0009556   7.3343 352.8003 14.72243997514567

Epoch: 2026-05-07T07:49Z

TLE epoch observation values (Epoch: 2026-05-07T07:49:09.994Z)

Latitude

-0.00003°

Longitude

155.3875°

Altitude

650.26 km

Speed

7.536 km/s

True Right ascension

09h 11m 24s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

19:57:14

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

657.676 km

Perigee altitude

644.242 km

Semi-major axis

7,029.096 km

Eccentricity

0.00096

Inclination

97.7766°

RAAN

137.8527°

Arg. of periapsis

7.3343°

True anomaly

352.78656°

Mean anomaly

352.8003°

Eccentric anomaly

352.79343°

Mean motion

3.68293 °/min

Orbital period

97.75 mins

BSTAR

0.00007126

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #59 in the year 2016 (2016-09-26 UTC)

CANX-7, 41788 (Decayed)

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.

Click here to try in Sandbox

ALSAT 1B Visibility forecast

Loading observer location...
Set 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	2026-05-07 13:17:20.147Z	23.132° NE	2026-05-07 13:21:20.147Z	130.283° SE	39.527°	2026-05-07 13:24:20.147Z	177.573° S
7 mins	2026-05-08 00:16:20.147Z	137.759° SSE	2026-05-08 00:19:20.147Z	63.717° ENE	35.771°	2026-05-08 00:23:20.147Z	0.247° NNE

Items per page:

1–2 of 2 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

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

Check out ALSAT 1B, 41785 on other resources

View ALSAT 1B, 41785 on NASA - NSSDCA Website

View ALSAT 1B, 41785 on Heavens-Above

View ALSAT 1B, 41785 on Keep Track

View ALSAT 1B, 41785 on Celestrak

View ALSAT 1B, 41785 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

ALSAT 1B, 41785

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 4 hours ago

TLE from 4 hours ago

TLE epoch observation values (Epoch: 2026-05-07T07:49:09.994Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #59 in the year 2016 (2016-09-26 UTC)

ALSAT 1B Visibility forecast

Co-orbital & Co-planar RSOs

Check out ALSAT 1B, 41785 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 4 hours ago