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RESURS O1-N4, 25394

Orbit data source: Space-Track

RESURS O1-N4, 25394 is a payload satellite owned by Priroda (CIS) in SSO that was launched on Fri, 10 Jul 1998 UTC via a ZENIT-2 launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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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Iframe URL

https://www.satcat.com/sats-embedded/25394?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

25394, 1998-043A

Orbit

SSO

Country

CIS

Related business

Priroda State Remote Sensing Center GUGK (RU)

Manufacturer

VNIIEM

Mission

Civil Imaging

Bus & Motor

RESURS-O, Unknown motor

Mass

2,444 kg wet, 2,444 kg dry

Launch date (UTC)

1998-07-10 (28 years ago)

Launch vehicle

ZENIT-2

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 2 Pan, 5.8 m

Radar Cross Section

11.656 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 RESURS O1-N4
1 25394U 98043A   26093.93369650  .00000250  00000-0  12615-3 0  9993
2 25394  98.9371  66.1138 0001589  25.0852 335.0403 14.25101473441759

Epoch: 2026-04-03T22:24Z

TLE epoch observation values (Epoch: 2026-04-03T22:24:31.377Z)

Latitude

-0.00008°

Longitude

-102.27764°

Altitude

810.03 km

Speed

7.449 km/s

True Right ascension

04h 24m 27s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

13:03:41

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

806.456 km

Perigee altitude

804.173 km

Semi-major axis

7,183.451 km

Eccentricity

0.00016

Inclination

98.9371°

RAAN

66.1138°

Arg. of periapsis

25.0852°

True anomaly

335.03261°

Mean anomaly

335.0403°

Eccentric anomaly

335.03646°

Mean motion

3.56487 °/min

Orbital period

100.99 mins

BSTAR

0.00012615

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Other satellites on launch #43 in the year 1998 (1998-07-10 UTC)

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RESURS O1-N4 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.
10 mins	2026-04-04 10:46:40.042Z	20.113° NNE	2026-04-04 10:51:40.042Z	110.526° ESE	42.523°	2026-04-04 10:56:40.042Z	184.868° SSW
4 mins	2026-04-04 12:29:40.042Z	313.786° NW	2026-04-04 12:30:40.042Z	300.512° NW	15.579°	2026-04-04 12:33:40.042Z	264.348° W
8 mins	2026-04-04 22:07:40.042Z	170.113° S	2026-04-04 22:11:40.042Z	313.986° NW	43.799°	2026-04-04 22:15:40.042Z	343.445° N

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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

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out RESURS O1-N4, 25394 on other resources

View RESURS O1-N4, 25394 on NASA - NSSDCA Website

View RESURS O1-N4, 25394 on Heavens-Above

View RESURS O1-N4, 25394 on Keep Track

View RESURS O1-N4, 25394 on Celestrak

View RESURS O1-N4, 25394 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

RESURS O1-N4, 25394

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-04-03T22:24:31.377Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #43 in the year 1998 (1998-07-10 UTC)

RESURS O1-N4 Visibility forecast

Co-orbital & Co-planar RSOs

Check out RESURS O1-N4, 25394 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago