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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Edit Public Description
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: 2 days ago
TLE from 2 days ago
0 SECOR 4 (EGRS 4)
1 1315U 65027B 25306.45702323 -.00000024 00000-0 -11635-3 0 9999
2 1315 90.2496 10.4510 0032806 73.5969 312.6705 12.92661260857639Epoch: 2025-11-02T10:58Z
TLE epoch observation values (Epoch: 2025-11-02T10:58:06.807Z)
Latitude
26.01965°
Longitude
163.82892°
Altitude
1,277.116 km
Speed
7.227 km/s
True Right ascension
00h 41m 19s
True Declination
25° 53' 37"
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
00:30:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,313.264 km
Perigee altitude
1,262.964 km
Semi-major axis
7,666.251 km
Eccentricity
0.00328
Inclination
90.2496°
RAAN
10.451°
Arg. of periapsis
73.5969°
True anomaly
312.39332°
Mean anomaly
312.6705°
Eccentric anomaly
312.53199°
Mean motion
3.23347 °/min
Orbital period
111.34 mins
BSTAR
-0.00011635
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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 | 2025-11-04 05:39:42.199Z | 212.741° SW | 2025-11-04 05:45:42.199Z | 270.027° WNW | 30.723° | 2025-11-04 05:52:42.199Z | 340.442° N |
| 11 mins | 2025-11-04 15:28:42.199Z | 29.29° NE | 2025-11-04 15:33:42.199Z | 78.257° E | 26.468° | 2025-11-04 15:39:42.199Z | 136.874° SSE |
| 12 mins | 2025-11-04 17:19:42.199Z | 347.633° N | 2025-11-04 17:25:42.199Z | 270.611° WNW | 37.628° | 2025-11-04 17:31:42.199Z | 209.723° SW |
| 13 mins | 2025-11-05 03:57:42.199Z | 149.221° SSE | 2025-11-05 04:03:42.199Z | 82.178° E | 37.52° | 2025-11-05 04:10:42.199Z | 8.7° NNE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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