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IRS P4 (OCEANSAT 1), 25758

Orbit data source: Space-Track

IRS P4 (OCEANSAT 1), 25758 is a payload satellite owned by ISRO (IN) in SSO that was launched on Wed, 26 May 1999 UTC via a PSLV launch vehicle from the Sirharikota (SRI). 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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Identifier
25758, 1999-029C
Orbit
SSO
Last TLE update
3 days ago
Origin
Manufacturer
ISAC/HAL
Mission
Non-operational Civil Imaging
Bus & Motor
IRS, AOCS
Mass
1,036 kg wet, 952 kg dry
Launch date (UTC)
1999-05-26 (26 years ago)
Launch vehicle
PSLV
Launch site
Sirharikota (SRI)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 1 Pan, 11.7 m
Radar Cross Section
12.382 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 3 days ago
0 IRS P4 (OCEANSAT 1)
1 25758U 99029C   25118.70812017  .00001062  00000-0  25765-3 0  9996
2 25758  97.9241 107.0032 0003356  29.8413 330.2976 14.54745010373844
Epoch: 2025-04-28T16:59Z
Definitive object data (Epoch: 2025-04-28T16:59:41.582Z)
Latitude
-0.00002°
Longitude
-4.83832°
Altitude
711.113 km
Speed
7.501 km/s
True Right ascension
07h 08m 00s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude
-53.99208°
Longitude
166.56911°
Altitude
733.144 km
Speed
7.486 km/s
Apparent Right ascension
22h 10m 56s
Apparent Declination
-58° 39' 55"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
13:06:56
Azimuth
138.967° SSE
Elevation
-56.615°
Doppler factor
1
Orbital elements
Apogee altitude
709.647 km
Perigee altitude
704.891 km
Semi-major axis
7,085.406 km
Eccentricity
0.0003356
Inclination
97.9241°
RAAN
107.0032°
Arg. of periapsis
29.8413°
True anomaly
330.27854°
Mean anomaly
330.2976°
Eccentric anomaly
330.28807°
Mean motion
3.63912 °/min
BSTAR
0.00025765
Orbital period
98.93 mins
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Other satellites on launch #29 in the year 1999 (1999-05-26 UTC)

IRS P4 (OCEANSAT 1) Visibility forecast

Observer location: undefined°, undefined°

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.
8 mins2025-05-01 11:35:48.412Z25.745° NE2025-05-01 11:39:48.412Z85.584° E35.903°2025-05-01 11:43:48.412Z169.089° S
5 mins2025-05-01 13:15:48.412Z323.218° NNW2025-05-01 13:17:48.412Z293.047° NW17.501°2025-05-01 13:20:48.412Z253.183° W
7 mins2025-05-01 22:42:48.412Z140.259° SSE2025-05-01 22:45:48.412Z90.506° ESE35.475°2025-05-01 22:49:48.412Z3.998° NNE
4 mins2025-05-02 00:22:48.412Z243.864° WSW2025-05-02 00:24:48.412Z273.926° WNW16.317°2025-05-02 00:26:48.412Z301.393° NW
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