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ERS 15, 2412

Orbit data source: Space-Track

ERS 15, 2412 is a payload satellite owned by USAF SSD (US) in LEO that was launched on Fri, 19 Aug 1966 UTC via an ATLAS SLV-3 AGENA D launch vehicle from the Air Force Western Test Range (AFWTR). 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.

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<iframe src="https://www.satcat.com/sats-embedded/2412?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/2412?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

2412, 1966-077C

Orbit

LEO

Country

Related business

United States Space Force (US)

Manufacturer

TRW

Mission

Spacecraft

Bus & Motor

ORS, Unknown motor

Mass

5 kg wet, 5 kg dry

Launch date (UTC)

1966-08-19 (60 years ago)

Launch vehicle

ATLAS SLV-3 AGENA D

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 3 days ago

TLE from 3 days ago

0 ERS 15
1 02412U 66077C   26125.83116294  .00000002  00000-0  00000-0 0  9997
2 02412  90.3302 276.7378 0007306 108.3953 251.7693  8.59079369386829

Epoch: 2026-05-05T19:56Z

TLE epoch observation values (Epoch: 2026-05-05T19:56:52.478Z)

Latitude

-0.00004°

Longitude

113.81878°

Altitude

3,696.746 km

Speed

6.29 km/s

True Right ascension

18h 26m 57s

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

22:10:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

3,697.429 km

Perigee altitude

3,682.718 km

Semi-major axis

10,068.211 km

Eccentricity

0.00073

Inclination

90.3302°

RAAN

276.7378°

Arg. of periapsis

108.3953°

True anomaly

251.6898°

Mean anomaly

251.7693°

Eccentric anomaly

251.72955°

Mean motion

2.1484 °/min

Orbital period

167.57 mins

BSTAR

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Other satellites on launch #77 in the year 1966 (1966-08-19 UTC)

SECOR 7 (EGRS 7), 2411

OPS 0856 DEB, 24312

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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ERS 15 Visibility forecast

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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.
16 mins	2026-05-08 18:41:01.588Z	28.826° NE	2026-05-08 18:49:01.588Z	55.797° ENE	13.417°	2026-05-08 18:57:01.588Z	82.636° E
36 mins	2026-05-08 21:24:01.588Z	5.333° NNE	2026-05-08 21:42:01.588Z	93.748° ESE	43.108°	2026-05-08 22:00:01.588Z	171.962° S
29 mins	2026-05-09 00:12:01.588Z	350.76° N	2026-05-09 00:26:01.588Z	297.582° NW	30.102°	2026-05-09 00:41:01.588Z	240.593° WSW
29 mins	2026-05-09 07:55:01.588Z	115.973° SE	2026-05-09 08:09:01.588Z	62.171° ENE	29.347°	2026-05-09 08:24:01.588Z	7.416° NNE
36 mins	2026-05-09 10:36:01.588Z	187.207° SSW	2026-05-09 10:53:01.588Z	266.553° W	43.481°	2026-05-09 11:12:01.588Z	355.96° N
17 mins	2026-05-09 13:38:01.588Z	277.068° WNW	2026-05-09 13:46:01.588Z	304.386° NW	14.184°	2026-05-09 13:55:01.588Z	334.672° NNW

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Co-orbital & Co-planar RSOs

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

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out ERS 15, 2412 on other resources

View ERS 15, 2412 on NASA - NSSDCA Website

View ERS 15, 2412 on Heavens-Above

View ERS 15, 2412 on Keep Track

View ERS 15, 2412 on Celestrak

View ERS 15, 2412 on Gunter's Space Page

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

ERS 15, 2412

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 3 days ago

TLE from 3 days ago

TLE epoch observation values (Epoch: 2026-05-05T19:56:52.478Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #77 in the year 1966 (1966-08-19 UTC)

ERS 15 Visibility forecast

Co-orbital & Co-planar RSOs

Check out ERS 15, 2412 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 3 days ago