RESURS O1-N4

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite RESURS O1-N4 at a glance.

Uptime

10018

Days in orbit

Revolutions

≈ 14.3

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

98.9

Latest

Satellite identification and parameters

Extended collection of information and parameters for RESURS O1-N4.

Object identification

Identified? True

Debris? False

Object name: RESURS O1-N4

International designator: 1998-043A

Object number (NORAD): 25394

Object ID (CCSDS): 25394

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 101.05 minutes

Inclination: 98.9186 deg

SMA: 7186.482 km

Apoapsis: 809.064 km

Periapsis: 807.63 km

RAAN: 311.438 deg

Eccentricy: 0.00009977

Argument of periapsis: 355.5187 deg

Mean anomaly: 4.5982 deg

Mean motion: 14.25043811 rev/day

Mean motion (dot): 0.00000271 rev/day²

B* drag term: 0.00013520753 1/R_Earth

Two-line elements (TLE)

Creation date: Dec. 12, 2025, 10:14 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 12, 2025, 4:10 a.m. UTC

TLE line 0: 0 RESURS O1-N4

TLE line 1: 1 25394U 98043A 25346.17429329 .00000271 00000-0 13521-3 0 9999

TLE line 2: 2 25394 98.9186 311.4380 0000998 355.5187 4.5982 14.25043811425699

Live tracking on map

Real-time ground track for satellite RESURS O1-N4.

In-orbit conjunctions

A list of the most updated potential collisions computed for object RESURS O1-N4.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
THORAD AGENA D DEB	SSO	2025-12-08 11:15:59	0.0001353131	498.0 (m)	DEBRIS
PEGASUS DEB	LEO	2025-09-16 20:44:34	0.0011512	294.0 (m)	DEBRIS
METEOR 2-8 DEB	LEO	2025-09-13 10:09:04	0.0008490488	464.0 (m)	DEBRIS
CZ-4C DEB	SSO	2025-08-23 06:14:05	0.001209504	287.0 (m)	DEBRIS
COSMOS 1275 DEB	LEO	2025-06-30 14:36:16	0.0002478523	115.0 (m)	DEBRIS

Associated space launch

Resurs-O1 N4 or Resurs-O1 2 is the fourth earth observation satellite in the Russian Resurs-O1 program.

RESURS O1-N4 was lifted into orbit during the mission ‘Zenit-2 | Resurs-O1’, on board a Zenit-2 space rocket.

The launch took place on July 10, 1998, 6:30 a.m. from 45/1.

For more information about the launch, click the button.

Zenit-2 | Resurs-O1

Agency: N/A

Status: Launch Successful

Launch date: July 10, 1998, 6:30 a.m. UTC

Rocket: Zenit-2

Launch pad: 45/1

Location: Baikonur Cosmodrome, Republic of Kazakhstan

...

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