DUMMY MASS 1

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite DUMMY MASS 1 at a glance.

Uptime

10330

Days in orbit

Revolutions

≈ 14.9

Per day

Orbit

LEO

Low Earth Orbit

Inclination

86.3

Latest

Satellite identification and parameters

Extended collection of information and parameters for DUMMY MASS 1.

Object identification

Identified? True

Debris? False

Object name: DUMMY MASS 1

International designator: 1997-048A

Object number (NORAD): 24925

Object ID (CCSDS): 24925

Country: PEOPLES REPUBLIC OF CHINA (PRC)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 96.827 minutes

Inclination: 86.3346 deg

SMA: 6984.88 km

Apoapsis: 610.152 km

Periapsis: 603.339 km

RAAN: 52.9252 deg

Eccentricy: 0.00048776

Argument of periapsis: 218.5892 deg

Mean anomaly: 141.4985 deg

Mean motion: 14.87182588 rev/day

Mean motion (dot): 0.00000672 rev/day²

B* drag term: 0.000071622567 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, 6:25 a.m. UTC

TLE line 0: 0 DUMMY MASS 1

TLE line 1: 1 24925U 97048A 25346.26741340 .00000672 00000-0 71623-4 0 9995

TLE line 2: 2 24925 86.3346 52.9252 0004878 218.5892 141.4985 14.87182588531598

Live tracking on map

Real-time ground track for satellite DUMMY MASS 1.

In-orbit conjunctions

A list of the most updated potential collisions computed for object DUMMY MASS 1.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
FENGYUN 1C DEB	SSO	2025-11-24 13:30:10	0.0003786247	268.0 (m)	DEBRIS
H-2A DEB	SSO	2024-12-12 00:52:06	0.0004545326	826.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-12-11 17:46:45	0.0001676873	93.0 (m)	DEBRIS
COSMOS 2251 DEB	LEO	2024-09-26 13:50:16	0.0002542778	206.0 (m)	DEBRIS
SL-14 R/B	LEO	2024-09-14 06:40:31	0.0008760614	320.0 (m)	ROCKET BODY

Associated space launch

The Iridium-MFS payloads were mass models of the Iridium communications satellites. Two were launched to test the new CZ-2C (2) SD launch vehicle and the payload dispenser.

DUMMY MASS 1 was lifted into orbit during the mission ‘Long March 2C/SD | Iridium MFS 1 & 2’, on board a Long March 2C/SD space rocket.

The launch took place on Sept. 1, 1997, 2 p.m. from Launch Complex 7.

For more information about the launch, click the button.

Long March 2C/SD | Iridium MFS 1 & 2

Agency: N/A

Status: Launch Successful

Launch date: Sept. 1, 1997, 2 p.m. UTC

Rocket: Long March 2C/SD

Launch pad: Launch Complex 7

Location: Taiyuan Satellite Launch Center, People's Republic of China

...

Go to the launch

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