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: 8 hours ago
TLE from 8 hours ago
0 SECOR 4 (EGRS 4)
1 1315U 65027B 26137.66998448 .00000015 00000-0 30647-4 0 9993
2 1315 90.2524 14.8859 0029414 280.8704 87.8148 12.92667132882988Epoch: 2026-05-17T16:04Z
TLE epoch observation values (Epoch: 2026-05-17T16:04:46.659Z)
Latitude
8.96227°
Longitude
-101.71739°
Altitude
1,292.319 km
Speed
7.211 km/s
True Right ascension
00h 59m 23s
True Declination
8° 54' 47"
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
08:36:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,310.64 km
Perigee altitude
1,265.541 km
Semi-major axis
7,666.228 km
Eccentricity
0.00294
Inclination
90.2524°
RAAN
14.8859°
Arg. of periapsis
280.8704°
True anomaly
88.15166°
Mean anomaly
87.8148°
Eccentric anomaly
87.98323°
Mean motion
3.23348 °/min
Orbital period
111.34 mins
BSTAR
0.000030647
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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. |
|---|---|---|---|---|---|---|---|
| 14 mins | 2026-05-18 03:47:03.356Z | 8.876° NNE | 2026-05-18 03:54:03.356Z | 78.628° E | 42.114° | 2026-05-18 04:01:03.356Z | 169.896° S |
| 10 mins | 2026-05-18 05:40:03.356Z | 331.167° NNW | 2026-05-18 05:45:03.356Z | 284.825° WNW | 22.22° | 2026-05-18 05:50:03.356Z | 241.563° WSW |
| 8 mins | 2026-05-18 14:30:03.356Z | 97.572° ESE | 2026-05-18 14:33:03.356Z | 70.313° E | 18.304° | 2026-05-18 14:38:03.356Z | 28.921° NE |
| 14 mins | 2026-05-18 16:17:03.356Z | 181.876° SSW | 2026-05-18 16:23:03.356Z | 243.493° WSW | 44.399° | 2026-05-18 16:31:03.356Z | 355.304° N |
| 4 mins | 2026-05-18 18:14:03.356Z | 273.859° WNW | 2026-05-18 18:16:03.356Z | 290.194° WNW | 12.646° | 2026-05-18 18:18:03.356Z | 306.106° NW |
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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