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: 12 hours ago
TLE from 12 hours ago
0 SECOR 4 (EGRS 4)
1 01315U 65027B 26041.93260487 .00000042 00000-0 12569-3 0 9994
2 01315 90.2487 12.6826 0031435 166.9316 248.6096 12.92663981870619Epoch: 2026-02-10T22:22Z
TLE epoch observation values (Epoch: 2026-02-10T22:22:57.060Z)
Latitude
55.29625°
Longitude
-104.41845°
Altitude
1,309.048 km
Speed
7.203 km/s
True Right ascension
00h 49m 18s
True Declination
55° 08' 48"
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
12:27:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,312.202 km
Perigee altitude
1,264.004 km
Semi-major axis
7,666.24 km
Eccentricity
0.00314
Inclination
90.2487°
RAAN
12.6826°
Arg. of periapsis
166.9316°
True anomaly
248.27468°
Mean anomaly
248.6096°
Eccentric anomaly
248.44209°
Mean motion
3.23348 °/min
Orbital period
111.34 mins
BSTAR
0.00012569
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-02-11 11:44:26.653Z | 327.915° NNW | 2026-02-11 11:48:26.653Z | 288.069° WNW | 23.222° | 2026-02-11 11:53:26.653Z | 240.917° WSW |
| 8 mins | 2026-02-11 20:33:26.653Z | 99.871° ESE | 2026-02-11 20:37:26.653Z | 65.34° ENE | 16.939° | 2026-02-11 20:41:26.653Z | 32.687° NE |
| 14 mins | 2026-02-11 22:20:26.653Z | 178.354° S | 2026-02-11 22:27:26.653Z | 310.967° NW | 44.765° | 2026-02-11 22:34:26.653Z | 356.294° N |
| 5 mins | 2026-02-12 00:17:26.653Z | 269.459° W | 2026-02-12 00:19:26.653Z | 286.227° WNW | 13.91° | 2026-02-12 00:22:26.653Z | 310.646° NW |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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