ORBCOMM FM 28

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite ORBCOMM FM 28 at a glance.

Uptime

9838

Days in orbit

Revolutions

≈ 14.4

Per day

Orbit

LEO

Low Earth Orbit

Inclination

45.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for ORBCOMM FM 28.

Object identification

Identified? True

Debris? False

Object name: ORBCOMM FM 28

International designator: 1998-053H

Object number (NORAD): 25482

Object ID (CCSDS): 25482

Country: ORBITAL TELECOMMUNICATIONS SATELLITE (GLOBALSTAR) (ORB)

Current information (Y/N): Y

RCS size: MEDIUM

Orbital parameters

Period: 100.11 minutes

Inclination: 45.0041 deg

SMA: 7141.868 km

Apoapsis: 768.653 km

Periapsis: 758.812 km

RAAN: 215.2792 deg

Eccentricy: 0.00068895

Argument of periapsis: 305.3498 deg

Mean anomaly: 54.6706 deg

Mean motion: 14.38417804 rev/day

Mean motion (dot): 0.00001365 rev/day²

B* drag term: 0.0004895326 1/R_Earth

Two-line elements (TLE)

Creation date: Aug. 30, 2025, 3:38 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Aug. 29, 2025, 10:15 p.m. UTC

TLE line 0: 0 ORBCOMM FM 28

TLE line 1: 1 25482U 98053H 25241.92722203 .00001365 00000-0 48953-3 0 9994

TLE line 2: 2 25482 45.0041 215.2792 0006889 305.3498 54.6706 14.38417804408974

Live tracking on map

Real-time ground track for satellite ORBCOMM FM 28.

In-orbit conjunctions

A list of the most updated potential collisions computed for object ORBCOMM FM 28.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
SL-16 DEB	LEO	2025-08-03 21:46:15	0.001047175	251.0 (m)	DEBRIS
DMSP 5D-2 F13 DEB	SSO	2025-07-24 10:20:21	0.000116694	918.0 (m)	DEBRIS
DMSP 5D-2 F13 DEB	SSO	2025-07-14 10:03:17	0.0004970042	394.0 (m)	DEBRIS
COSMOS 2251 DEB	LEO	2025-02-08 18:34:14	0.0005866272	320.0 (m)	DEBRIS
SL-8 R/B	LEO	2024-11-26 17:36:06	0.0004206528	811.0 (m)	ROCKET BODY

Associated space launch

ORBCOMM FM 28 was lifted into orbit during the mission ‘Pegasus XL HAPS | Orbcomm-C1 - C8’, on board a Pegasus XL HAPS space rocket.

The launch took place on Sept. 23, 1998, 5:06 a.m. from Wallops Flight Facility.

For more information about the launch, click the button.

Pegasus XL HAPS | Orbcomm-C1 - C8

Agency: N/A

Status: Launch Successful

Launch date: Sept. 23, 1998, 5:06 a.m. UTC

Rocket: Pegasus XL HAPS

Launch pad: Wallops Flight Facility

Location: Air launch to orbit

...

Go to the launch

Latest news about this satellite

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