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

18489

Days in orbit

Revolutions

≈ 14.2

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

97.8

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: 1975-004HS

Object number (NORAD): 27726

Object ID (CCSDS): 27726

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 101.068 minutes

Inclination: 97.7702 deg

SMA: 7187.377 km

Apoapsis: 885.111 km

Periapsis: 733.373 km

RAAN: 255.4596 deg

Eccentricy: 0.01055584

Argument of periapsis: 276.5733 deg

Mean anomaly: 82.3442 deg

Mean motion: 14.24777822 rev/day

Mean motion (dot): 0.00000316 rev/day²

B* drag term: 0.00014316429 1/R_Earth

Two-line elements (TLE)

Creation date: Sept. 1, 2025, 10:16 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Sept. 1, 2025, 6:48 a.m. UTC

TLE line 0: 0 DELTA 1 DEB

TLE line 1: 1 27726U 75004HS 25244.28346252 .00000316 00000-0 14316-3 0 9997

TLE line 2: 2 27726 97.7702 255.4596 0105558 276.5733 82.3442 14.24777822294418

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
CZ-4C DEB	SSO	2025-02-21 01:20:44	0.0001020281	138.0 (m)	DEBRIS
THORAD AGENA D DEB	SSO	2024-06-21 16:42:38	0.000204869	35.0 (m)	DEBRIS
COSMOS 2251 DEB	LEO	2024-06-06 21:48:53	0.0001519147	220.0 (m)	DEBRIS

Associated space launch

Earth observation satellite

DELTA 1 DEB was lifted into orbit during the mission ‘Delta 2910 | Landsat 2’, on board a Delta 2910 space rocket.

The launch took place on Jan. 22, 1975, 5:55 p.m. from Space Launch Complex 2W.

For more information about the launch, click the button.

Delta 2910 | Landsat 2

Agency: N/A

Status: Launch Successful

Launch date: Jan. 22, 1975, 5:55 p.m. UTC

Rocket: Delta 2910

Launch pad: Space Launch Complex 2W

Location: Vandenberg SFB, CA, USA

...

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