DELTA 1 R/B(1)

Satellite information

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Satellite Type and Status

ROCKET BODYIN ORBIT

Key statistics

Satellite DELTA 1 R/B(1) at a glance.

Uptime

17498

Days in orbit

Revolutions

≈ 12.7

Per day

Orbit

MEO

Medium Earth Orbit

Inclination

28.3

Latest

Satellite identification and parameters

Extended collection of information and parameters for DELTA 1 R/B(1).

Object identification

Identified? True

Debris? False

Object name: DELTA 1 R/B(1)

International designator: 1977-108B

Object number (NORAD): 10490

Object ID (CCSDS): 10490

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 113.286 minutes

Inclination: 28.2978 deg

SMA: 7755.512 km

Apoapsis: 2270.611 km

Periapsis: 484.142 km

RAAN: 18.2582 deg

Eccentricy: 0.11517414

Argument of periapsis: 94.0772 deg

Mean anomaly: 279.1929 deg

Mean motion: 12.71121531 rev/day

Mean motion (dot): 0.00001005 rev/day2

B* drag term: 0.00023328549 1/REarth

Two-line elements (TLE)

Creation date: Oct. 20, 2025, 2:10 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 19, 2025, 9:57 p.m. UTC

TLE line 0: 0 DELTA 1 R/B(1)

TLE line 1: 1 10490U 77108B 25292.91493056 .00001005 00000-0 23329-3 0 9992

TLE line 2: 2 10490 28.2978 18.2582 1151741 94.0772 279.1929 12.71121531189109

Live tracking on map

Real-time ground track for satellite DELTA 1 R/B(1).

In-orbit conjunctions

A list of the most updated potential collisions computed for object DELTA 1 R/B(1).

Target Orbit TCA Probability of collision Miss distance Type
COSMOS 1275 DEB LEO 2025-01-15 21:08:49 0.0003471692 253.0 (m) DEBRIS
DMSP 5D-2 F13 DEB SSO 2024-09-18 17:53:00 0.0001059666 677.0 (m) DEBRIS

Associated space launch

European meteorological satellite

DELTA 1 R/B(1) was lifted into orbit during the mission ‘Delta 2914 | Meteosat 1’, on board a Delta 2914 space rocket.

The launch took place on Nov. 23, 1977, 1:35 a.m. from Space Launch Complex 17A.

For more information about the launch, click the button.

Launch to space Delta 2914 | Meteosat 1
Delta 2914 | Meteosat 1

Agency: N/A

Status: Launch Successful

Launch date: Nov. 23, 1977, 1:35 a.m. UTC

Rocket: Delta 2914

Launch pad: Space Launch Complex 17A

Location: Cape Canaveral SFS, FL, USA

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