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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

OCT CYL, 1.1 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 22 hours ago

TLE from 22 hours ago

0 ERS 15
1 02412U 66077C   26302.93871821  .00000002  00000-0  00000-0 0  9999
2 02412  90.3229 278.7968 0005449 293.6845  66.3434  8.59079775402034

Epoch: 2026-10-29T22:31Z

TLE epoch observation values (Epoch: 2026-10-29T22:31:45.253Z)

Latitude

-0.00003°

Longitude

-97.40772°

Altitude

3,692.236 km

Speed

6.293 km/s

True Right ascension

18h 35m 11s

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

16:07:22

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

3,695.557 km

Perigee altitude

3,684.584 km

Semi-major axis

10,068.207 km

Eccentricity

0.00054

Inclination

90.3229°

RAAN

278.7968°

Arg. of periapsis

293.6845°

True anomaly

66.40061°

Mean anomaly

66.3434°

Eccentric anomaly

66.372°

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)

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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.
33 mins	2026-10-30 20:57:10.714Z	130.683° SE	2026-10-30 21:14:10.714Z	65.731° ENE	42.491°	2026-10-30 21:30:10.714Z	5.604° NNE
36 mins	2026-10-30 23:42:10.714Z	197.842° SSW	2026-10-30 23:59:10.714Z	273.079° WNW	59.221°	2026-10-31 00:18:10.714Z	354.507° N
33 mins	2026-10-31 08:52:10.714Z	11.717° NNE	2026-10-31 09:08:10.714Z	75.349° E	40.409°	2026-10-31 09:25:10.714Z	142.941° SSE
35 mins	2026-10-31 11:39:10.714Z	356.833° N	2026-10-31 11:56:10.714Z	281.717° WNW	60.877°	2026-10-31 12:14:10.714Z	210.274° SW
12 mins	2026-10-31 14:30:10.714Z	336.01° NNW	2026-10-31 14:36:10.714Z	315.954° NNW	13.269°	2026-10-31 14:42:10.714Z	296.068° NW
19 mins	2026-10-31 19:31:10.714Z	79.198° E	2026-10-31 19:40:10.714Z	47.97° ENE	17.847°	2026-10-31 19:50:10.714Z	14.405° NNE

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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: 22 hours ago

TLE from 22 hours ago

TLE epoch observation values (Epoch: 2026-10-29T22:31:45.253Z)

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: 22 hours ago