INSAT 2E (APR-1), 25666
Orbit data source: Space-Track
INSAT 2E (APR-1), 25666 is a payload satellite owned by ISRO (IN) in GEO that was launched on Fri, 02 Apr 1999 UTC via an ARIANE 42P launch vehicle from the French Guiana (FRGUI). 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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25666 intel report (Beta)
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Identifier
Orbit
Country
IN / INDRelated business
Manufacturer
ISRO
Mission
Non-operational Civil Communications
Bus & Motor
I2K, Unknown motor
Mass
2,550 kg wet, 1,146 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan + 1 Arm, 12.3 m
Radar Cross Section
17.604 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 6 days ago
TLE from 6 days ago
0 INSAT 2E (APR-1)
1 25666U 99016A 26154.76108882 .00000122 00000-0 00000-0 0 9993
2 25666 11.3253 40.4189 0009496 300.9385 229.6622 0.99653047 51305Epoch: 2026-06-03T18:15Z
TLE epoch observation values (Epoch: 2026-06-03T18:15:58.074Z)
Latitude
1.84482°
Longitude
44.92015°
Altitude
35,986.137 km
Speed
3.067 km/s
True Right ascension
14h 04m 30s
True Declination
1° 50' 35"
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
13:33:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,002.159 km
Perigee altitude
35,921.746 km
Semi-major axis
42,340.09 km
Eccentricity
0.00095
Inclination
11.3253°
RAAN
40.4189°
Arg. of periapsis
300.9385°
True anomaly
229.57932°
Mean anomaly
229.6622°
Eccentric anomaly
229.62075°
Mean motion
0.24912 °/min
Orbital period
1,445.06 mins
BSTAR
0
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Other satellites on launch #16 in the year 1999 (1999-04-02 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.INSAT 2E (APR-1) Visibility
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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. |
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| INSAT 2E (APR-1) is likely not visible in the next few days. |
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25666 neighbors
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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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