RIGIDSPHERE 2 (LCS 4)

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite RIGIDSPHERE 2 (LCS 4) at a glance.

Uptime

19691

Days in orbit

Revolutions

≈ 14.4

Per day

Orbit

LEO

Low Earth Orbit

Inclination

87.6

Latest

Satellite identification and parameters

Extended collection of information and parameters for RIGIDSPHERE 2 (LCS 4).

Object identification

Identified? True

Debris? False

Object name: RIGIDSPHERE 2 (LCS 4)

International designator: 1971-067E

Object number (NORAD): 5398

Object ID (CCSDS): 5398

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: MEDIUM

Orbital parameters

Period: 100.193 minutes

Inclination: 87.6179 deg

SMA: 7145.821 km

Apoapsis: 809.603 km

Periapsis: 725.769 km

RAAN: 75.3268 deg

Eccentricy: 0.0058659

Argument of periapsis: 307.4539 deg

Mean anomaly: 52.1331 deg

Mean motion: 14.37224337 rev/day

Mean motion (dot): 0.00000497 rev/day²

B* drag term: 0.00015793 1/R_Earth

Two-line elements (TLE)

Creation date: July 4, 2025, 6:39 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 4, 2025, 1:49 p.m. UTC

TLE line 0: 0 RIGIDSPHERE 2 (LCS 4)

TLE line 1: 1 05398U 71067E 25185.57583144 .00000497 00000-0 15793-3 0 9992

TLE line 2: 2 05398 87.6179 75.3268 0058659 307.4539 52.1331 14.37224337823947

Live tracking on map

Real-time ground track for satellite RIGIDSPHERE 2 (LCS 4).

In-orbit conjunctions

A list of the most updated potential collisions computed for object RIGIDSPHERE 2 (LCS 4).

Target	Orbit	TCA	Probability of collision	Miss distance	Type
FENGYUN 1C DEB	SSO	2025-04-28 07:15:43	0.0002351456	518.0 (m)	DEBRIS
COSMOS 1275 DEB	LEO	2025-04-20 01:22:01	0.0001113318	199.0 (m)	DEBRIS
RUBIN 3/SL-8	SSO	2025-01-31 00:15:14	0.0001085587	929.0 (m)	PAYLOAD
CZ-6A DEB	LEO	2025-01-01 19:53:27	0.0002982025	359.0 (m)	DEBRIS
CZ-6A DEB	LEO	2024-11-07 20:03:34	0.001841277	194.0 (m)	DEBRIS

Associated space launch

High-density satellite designed to obtain atmospheric density data at low altitudes.

RIGIDSPHERE 2 (LCS 4) was lifted into orbit during the mission ‘Atlas F | LOADS 2’, on board a Atlas F space rocket.

The launch took place on Aug. 7, 1971, 12:11 a.m. from 576A2.

For more information about the launch, click the button.

Atlas F | LOADS 2

Agency: N/A

Status: Launch Successful

Launch date: Aug. 7, 1971, 12:11 a.m. UTC

Rocket: Atlas F

Launch pad: 576A2

Location: Vandenberg SFB, CA, USA

...

Go to the launch

Latest news about this satellite

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