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 26150.46481666 .00000025 00000-0 66084-4 0 9990
2 01315 90.2511 15.1774 0029498 245.4570 231.8693 12.92667536884632Epoch: 2026-05-30T11:09Z
TLE epoch observation values (Epoch: 2026-05-30T11:09:20.159Z)
Latitude
63.0206°
Longitude
140.35374°
Altitude
1,315.864 km
Speed
7.198 km/s
True Right ascension
13h 02m 40s
True Declination
62° 53' 29"
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
08:23:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,310.703 km
Perigee altitude
1,265.475 km
Semi-major axis
7,666.226 km
Eccentricity
0.00295
Inclination
90.2511°
RAAN
15.1774°
Arg. of periapsis
245.457°
True anomaly
231.60402°
Mean anomaly
231.8693°
Eccentric anomaly
231.7366°
Mean motion
3.23348 °/min
Orbital period
111.34 mins
BSTAR
0.000066084
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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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2026-05-31 02:01:56.039Z | 26.777° NE | 2026-05-31 02:07:56.039Z | 80.751° E | 24.469° | 2026-05-31 02:13:56.039Z | 134.627° SE |
| 13 mins | 2026-05-31 03:52:56.039Z | 352.138° N | 2026-05-31 03:58:56.039Z | 293.115° NW | 39.625° | 2026-05-31 04:05:56.039Z | 205.203° SW |
| 12 mins | 2026-05-31 14:31:56.039Z | 142.969° SSE | 2026-05-31 14:37:56.039Z | 71.674° E | 35.504° | 2026-05-31 14:43:56.039Z | 12.315° NNE |
| 12 mins | 2026-05-31 16:22:56.039Z | 218.397° SW | 2026-05-31 16:28:56.039Z | 278.855° WNW | 29.42° | 2026-05-31 16:34:56.039Z | 336.631° 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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