Showing default

MARISAT 1, 8697

Orbit data source: Space-Track

MARISAT 1, 8697 is a payload satellite owned by Comsat (US) in GEO that was launched on Thu, 19 Feb 1976 UTC via a DELTA 2914 launch vehicle from the Air Force Eastern Test Range (AFETR). 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/8697?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/8697?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

8697, 1976-017A

Orbit

GEO

Country

Related business

Lockheed Martin (US)

Manufacturer

Hughes

Mission

Non-operational spacecraft

Bus & Motor

HS-356, FW5

Mass

655 kg wet, 286 kg dry

Launch date (UTC)

1976-02-19 (50 years ago)

Launch vehicle

DELTA 2914

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 MARISAT 1
1 08697U 76017A   26092.45428153 -.00000231  00000-0  00000-0 0  9999
2 08697   6.0028 295.4269 0009519 194.7529 170.6814  0.99207290181359

Epoch: 2026-04-02T10:54Z

TLE epoch observation values (Epoch: 2026-04-02T10:54:09.924Z)

Latitude

0.59621°

Longitude

-53.47135°

Altitude

36,126.858 km

Speed

3.061 km/s

True Right ascension

20h 03m 29s

True Declination

0° 35' 44"

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

07:13:28

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

36,129.147 km

Perigee altitude

36,048.299 km

Semi-major axis

42,466.86 km

Eccentricity

0.00095

Inclination

6.0028°

RAAN

295.4269°

Arg. of periapsis

194.7529°

True anomaly

170.69904°

Mean anomaly

170.6814°

Eccentric anomaly

170.69022°

Mean motion

0.24801 °/min

Orbital period

1,451.56 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #17 in the year 1976 (1976-02-19 UTC)

DELTA 1 DEB, 8705 (Decayed)

DELTA 1 DEB, 8704 (Decayed)

DELTA 1 R/B(1), 8698 (Decayed)

DELTA 1 R/B(2), 8702 (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

MARISAT 1 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.
1440 mins	2026-04-03 01:28:20.784Z	121.995° SE	2026-04-03 17:02:20.784Z	116.234° SE	25.541°	2026-04-04 01:28:20.784Z	125.175° SE

Items per page:

1–1 of 1 items

of 1 page

Loading historical data...

8697 neighbors

Authenticating...

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 MARISAT 1, 8697 on other resources

View MARISAT 1, 8697 on NASA - NSSDCA Website

View MARISAT 1, 8697 on Heavens-Above

View MARISAT 1, 8697 on Keep Track

View MARISAT 1, 8697 on Celestrak

View MARISAT 1, 8697 on Gunter's Space Page

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

MARISAT 1, 8697

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-04-02T10:54:09.924Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #17 in the year 1976 (1976-02-19 UTC)

MARISAT 1 Visibility forecast

8697 neighbors

Co-orbital & Co-planar RSOs

Check out MARISAT 1, 8697 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago