ATLAS 41E R/B

Satellite information

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Satellite Type and Status

ROCKET BODYIN ORBIT

Key statistics

Satellite ATLAS 41E R/B at a glance.

Uptime

14885

Days in orbit

Revolutions

≈ 14.4

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

108.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for ATLAS 41E R/B.

Object identification

Identified? True

Debris? False

Object name: ATLAS 41E R/B

International designator: 1985-021B

Object number (NORAD): 15596

Object ID (CCSDS): 15596

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 99.706 minutes

Inclination: 108.0341 deg

SMA: 7122.655 km

Apoapsis: 767.747 km

Periapsis: 721.294 km

RAAN: 192.0531 deg

Eccentricy: 0.00326088

Argument of periapsis: 204.8922 deg

Mean anomaly: 252.1112 deg

Mean motion: 14.44241649 rev/day

Mean motion (dot): 0.00000649 rev/day²

B* drag term: 0.00022727224 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, 6:54 a.m. UTC

TLE line 0: 0 ATLAS 41E R/B

TLE line 1: 1 15596U 85021B 25346.28806984 .00000649 00000-0 22727-3 0 9999

TLE line 2: 2 15596 108.0341 192.0531 0032609 204.8922 252.1112 14.44241649140090

Live tracking on map

Real-time ground track for satellite ATLAS 41E R/B.

In-orbit conjunctions

A list of the most updated potential collisions computed for object ATLAS 41E R/B.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
NOAA 16 DEB	SSO	2025-01-24 13:40:13	0.0001098165	550.0 (m)	DEBRIS
CZ-6A DEB	LEO	2024-11-28 16:34:41	0.0008299492	240.0 (m)	DEBRIS
SL-8 DEB	LEO	2024-11-09 09:17:06	0.0001512075	332.0 (m)	DEBRIS
TRANSIT 16 DEB	LEO	2024-07-06 04:28:49	0.0001126389	95.0 (m)	DEBRIS

Associated space launch

Oceanographic radar altimetry satellite designed to obtain mapping of the Earth's geoid

ATLAS 41E R/B was lifted into orbit during the mission ‘Atlas E/OIS | Geosat 1’, on board a Atlas E/OIS space rocket.

The launch took place on March 13, 1985, 2 a.m. from Space Launch Complex 3W.

For more information about the launch, click the button.

Atlas E/OIS | Geosat 1

Agency: N/A

Status: Launch Successful

Launch date: March 13, 1985, 2 a.m. UTC

Rocket: Atlas E/OIS

Launch pad: Space Launch Complex 3W

Location: Vandenberg SFB, CA, USA

...

Go to the launch

Latest news about this satellite

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