CZ-4B R/B

Satellite information

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Satellite Type and Status

ROCKET BODYIN ORBIT

Key statistics

Satellite CZ-4B R/B at a glance.

Uptime

5077

Days in orbit

Revolutions

≈ 14.4

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

99.5

Latest

Satellite identification and parameters

Extended collection of information and parameters for CZ-4B R/B.

Object identification

Identified? True

Debris? False

Object name: CZ-4B R/B

International designator: 2011-043B

Object number (NORAD): 37782

Object ID (CCSDS): 37782

Country: PEOPLES REPUBLIC OF CHINA (PRC)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 100.064 minutes

Inclination: 99.4561 deg

SMA: 7139.683 km

Apoapsis: 897.179 km

Periapsis: 625.918 km

RAAN: 36.9757 deg

Eccentricy: 0.0189967

Argument of periapsis: 59.9029 deg

Mean anomaly: 302.0839 deg

Mean motion: 14.39078003 rev/day

Mean motion (dot): 0.00000182 rev/day2

B* drag term: 0.000063475 1/REarth

Two-line elements (TLE)

Creation date: July 8, 2025, 2:27 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 7, 2025, 7:58 p.m. UTC

TLE line 0: 0 CZ-4B R/B

TLE line 1: 1 37782U 11043B 25188.83232713 .00000182 00000-0 63475-4 0 9999

TLE line 2: 2 37782 99.4561 36.9757 0189967 59.9029 302.0839 14.39078003728999

Live tracking on map

Real-time ground track for satellite CZ-4B R/B.

In-orbit conjunctions

A list of the most updated potential collisions computed for object CZ-4B R/B.

Target Orbit TCA Probability of collision Miss distance Type
FENGYUN 1C DEB SSO 2025-05-22 17:27:02 0.000128514 266.0 (m) DEBRIS
CZ-6A DEB SSO 2025-04-30 17:31:10 0.0003879586 175.0 (m) DEBRIS
FENGYUN 1C DEB SSO 2024-11-12 20:12:49 0.0001329568 542.0 (m) DEBRIS

Associated space launch

CZ-4B R/B was lifted into orbit during the mission ‘Long March 4B | Hai Yang 2A’, on board a Long March 4B space rocket.

The launch took place on Aug. 15, 2011, 10:57 p.m. from Launch Complex 7.

For more information about the launch, click the button.

Launch to space Long March 4B | Hai Yang 2A
Long March 4B | Hai Yang 2A

Agency: N/A

Status: Launch Successful

Launch date: Aug. 15, 2011, 10:57 p.m. UTC

Rocket: Long March 4B

Launch pad: Launch Complex 7

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

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