DMSP 5D-2 F9 (USA 29)

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite DMSP 5D-2 F9 (USA 29) at a glance.

Uptime

13828

Days in orbit

Revolutions

≈ 14.3

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

98.3

Latest

Satellite identification and parameters

Extended collection of information and parameters for DMSP 5D-2 F9 (USA 29).

Object identification

Identified? True

Debris? False

Object name: DMSP 5D-2 F9 (USA 29)

International designator: 1988-006A

Object number (NORAD): 18822

Object ID (CCSDS): 18822

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 100.79 minutes

Inclination: 98.3366 deg

SMA: 7174.191 km

Apoapsis: 799.842 km

Periapsis: 792.27 km

RAAN: 155.6529 deg

Eccentricy: 0.00052768

Argument of periapsis: 260.6621 deg

Mean anomaly: 99.3965 deg

Mean motion: 14.28707577 rev/day

Mean motion (dot): 0.00000453 rev/day²

B* drag term: 0.0001966816 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, 1:18 a.m. UTC

TLE line 0: 0 DMSP 5D-2 F9 (USA 29)

TLE line 1: 1 18822U 88006A 25346.05482665 .00000453 00000-0 19668-3 0 9994

TLE line 2: 2 18822 98.3366 155.6529 0005277 260.6621 99.3965 14.28707577969581

Live tracking on map

Real-time ground track for satellite DMSP 5D-2 F9 (USA 29).

In-orbit conjunctions

A list of the most updated potential collisions computed for object DMSP 5D-2 F9 (USA 29).

Target	Orbit	TCA	Probability of collision	Miss distance	Type
FENGYUN 1C DEB	SSO	2025-11-20 00:38:12	0.0001078095	268.0 (m)	DEBRIS
NOAA 16 DEB	SSO	2025-11-08 21:04:19	0.0001061662	382.0 (m)	DEBRIS
AZUR (GRS A)	SSO	2025-05-14 16:41:42	0.0002515886	144.0 (m)	PAYLOAD
CZ-6A DEB	SSO	2025-05-07 03:30:43	0.0001003066	302.0 (m)	DEBRIS
CZ-6A DEB	LEO	2025-04-06 05:04:36	0.001890325	119.0 (m)	DEBRIS

Associated space launch

Military meteorological satellite

DMSP 5D-2 F9 (USA 29) was lifted into orbit during the mission ‘Atlas E | DMSP-5D2 F9’, on board a Atlas E space rocket.

The launch took place on Feb. 3, 1988, 5:53 a.m. from Space Launch Complex 3W.

For more information about the launch, click the button.

Atlas E | DMSP-5D2 F9

Agency: N/A

Status: Launch Successful

Launch date: Feb. 3, 1988, 5:53 a.m. UTC

Rocket: Atlas E

Launch pad: Space Launch Complex 3W

Location: Vandenberg SFB, CA, USA

...

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