SECOR 4 (EGRS 4), 1315
Orbit data source: Space-Track
SECOR 4 (EGRS 4), 1315 is an American payload satellite in LEO that was launched on Sat, 03 Apr 1965 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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1315 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
ITT
Mission
Spacecraft
Bus & Motor
SECOR, Unknown motor
Mass
18 kg wet, 18 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 SECOR 4 (EGRS 4)
1 01315U 65027B 26047.44425715 .00000063 00000-0 20520-3 0 9992
2 01315 90.2500 12.8070 0031863 152.7577 337.3652 12.92664540871320Epoch: 2026-02-16T10:39Z
TLE epoch observation values (Epoch: 2026-02-16T10:39:43.817Z)
Latitude
50.10865°
Longitude
-113.2665°
Altitude
1,276.435 km
Speed
7.233 km/s
True Right ascension
12h 52m 25s
True Declination
49° 57' 03"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
02:21:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,312.528 km
Perigee altitude
1,263.674 km
Semi-major axis
7,666.238 km
Eccentricity
0.00319
Inclination
90.25°
RAAN
12.807°
Arg. of periapsis
152.7577°
True anomaly
337.22416°
Mean anomaly
337.3652°
Eccentric anomaly
337.29473°
Mean motion
3.23348 °/min
Orbital period
111.34 mins
BSTAR
0.0002052
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Other satellites on launch #27 in the year 1965 (1965-04-03 UTC)
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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.SECOR 4 (EGRS 4) 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. |
|---|---|---|---|---|---|---|---|
| 13 mins | 2026-02-17 08:53:37.839Z | 20.352° NNE | 2026-02-17 09:00:37.839Z | 89.184° E | 29.492° | 2026-02-17 09:06:37.839Z | 145.361° SSE |
| 12 mins | 2026-02-17 10:45:37.839Z | 345.439° N | 2026-02-17 10:51:37.839Z | 277.676° WNW | 34.454° | 2026-02-17 10:57:37.839Z | 215.992° SW |
| 13 mins | 2026-02-17 21:23:37.839Z | 155.494° SSE | 2026-02-17 21:29:37.839Z | 88.41° E | 40.508° | 2026-02-17 21:36:37.839Z | 6.527° NNE |
| 10 mins | 2026-02-17 23:16:37.839Z | 233.905° WSW | 2026-02-17 23:21:37.839Z | 282.766° WNW | 23.707° | 2026-02-17 23:26:37.839Z | 328.769° NNW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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