DELTA 1 DEB

Satellite information

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Satellite Type and Status

DEBRISIN ORBIT

Key statistics

Satellite DELTA 1 DEB at a glance.

Uptime

19031

Days in orbit

Revolutions

≈ 11.5

Per day

Orbit

MEO

Medium Earth Orbit

Inclination

101.9

Latest

Satellite identification and parameters

Extended collection of information and parameters for DELTA 1 DEB.

Object identification

Identified? True

Debris? True

Object name: DELTA 1 DEB

International designator: 1973-086GJ

Object number (NORAD): 9979

Object ID (CCSDS): 9979

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 125.133 minutes

Inclination: 101.9381 deg

SMA: 8287.198 km

Apoapsis: 2406.297 km

Periapsis: 1411.828 km

RAAN: 293.6855 deg

Eccentricy: 0.06000032

Argument of periapsis: 269.7671 deg

Mean anomaly: 113.0245 deg

Mean motion: 11.5077712 rev/day

Mean motion (dot): -0.00000651 rev/day²

B* drag term: -0.0089113779 1/R_Earth

Two-line elements (TLE)

Creation date: Dec. 13, 2025, 5:47 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 13, 2025, 2:55 a.m. UTC

TLE line 0: 0 DELTA 1 DEB

TLE line 1: 1 09979U 73086GJ 25347.12204289 -.00000651 00000-0 -89114-2 0 9996

TLE line 2: 2 09979 101.9381 293.6855 0600003 269.7671 113.0245 11.50777120498518

Live tracking on map

Real-time ground track for satellite DELTA 1 DEB.

In-orbit conjunctions

A list of the most updated potential collisions computed for object DELTA 1 DEB.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
COSMOS 1137	LEO	2025-07-08 15:21:13	0.0001262005	334.0 (m)	PAYLOAD
COSMOS 1823 DEB	LEO	2024-08-23 14:57:27	0.0001249151	75.0 (m)	DEBRIS
COSMOS 794	LEO	2024-05-30 08:38:33	0.0001400438	378.0 (m)	PAYLOAD

Associated space launch

Meteorological satellite using radiometric imaging

DELTA 1 DEB was lifted into orbit during the mission ‘Delta 0300 | NOAA 3’, on board a Delta 0300 space rocket.

The launch took place on Nov. 6, 1973, 5:02 p.m. from Space Launch Complex 2W.

For more information about the launch, click the button.

Delta 0300 | NOAA 3

Agency: N/A

Status: Launch Successful

Launch date: Nov. 6, 1973, 5:02 p.m. UTC

Rocket: Delta 0300

Launch pad: Space Launch Complex 2W

Location: Vandenberg SFB, CA, USA

...

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