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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: 13 hours ago

TLE from 13 hours ago

0 ERS 15
1 02412U 66077C   26079.48740161  .00000002  00000-0  00000-0 0  9992
2 02412  90.3262 276.2074 0007188 151.7575 208.3667  8.59079470382842

Epoch: 2026-03-20T11:41Z

TLE epoch observation values (Epoch: 2026-03-20T11:41:51.499Z)

Latitude

0°

Longitude

-77.27894°

Altitude

3,700.809 km

Speed

6.287 km/s

True Right ascension

18h 24m 49s

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

05:14:36

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

3,697.31 km

Perigee altitude

3,682.836 km

Semi-major axis

10,068.21 km

Eccentricity

0.00072

Inclination

90.3262°

RAAN

276.2074°

Arg. of periapsis

151.7575°

True anomaly

208.3276°

Mean anomaly

208.3667°

Eccentric anomaly

208.34715°

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

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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.
35 mins	2026-03-21 02:26:54.755Z	356.637° N	2026-03-21 02:43:54.755Z	289.531° WNW	39.216°	2026-03-21 03:01:54.755Z	216.06° SW
6 mins	2026-03-21 05:20:54.755Z	328.798° NNW	2026-03-21 05:22:54.755Z	322.21° NNW	10.795°	2026-03-21 05:26:54.755Z	309.054° NW
21 mins	2026-03-21 10:17:54.755Z	87.046° E	2026-03-21 10:27:54.755Z	51.493° ENE	19.475°	2026-03-21 10:38:54.755Z	13.58° NNE
36 mins	2026-03-21 12:51:54.755Z	165.04° S	2026-03-21 13:09:54.755Z	74.514° E	44.595°	2026-03-21 13:27:54.755Z	359.577° N
28 mins	2026-03-21 15:45:54.755Z	240.979° WSW	2026-03-21 15:58:54.755Z	290.073° WNW	24.868°	2026-03-21 16:13:54.755Z	345.203° N
21 mins	2026-03-21 22:04:54.755Z	23.842° NE	2026-03-21 22:14:54.755Z	58.504° ENE	16.887°	2026-03-21 22:25:54.755Z	96.785° ESE

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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: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-03-20T11:41:51.499Z)

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: 13 hours ago