SOLRAD 7B

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite SOLRAD 7B at a glance.

Uptime

22034

Days in orbit

Revolutions

≈ 13.9

Per day

Orbit

LEO

Low Earth Orbit

Inclination

70.1

Latest

Satellite identification and parameters

Extended collection of information and parameters for SOLRAD 7B.

Object identification

Identified? True

Debris? False

Object name: SOLRAD 7B

International designator: 1965-016D

Object number (NORAD): 1291

Object ID (CCSDS): 1291

Country: UNITED STATES OF AMERICA (US)

Current information (Y/N): Y

RCS size: MEDIUM

Orbital parameters

Period: 103.232 minutes

Inclination: 70.0784 deg

SMA: 7289.589 km

Apoapsis: 927.97 km

Periapsis: 894.937 km

RAAN: 253.1768 deg

Eccentricy: 0.0022658

Argument of periapsis: 221.5931 deg

Mean anomaly: 138.3452 deg

Mean motion: 13.94916547 rev/day

Mean motion (dot): -0.00000002 rev/day2

B* drag term: 0.000037169 1/REarth

Two-line elements (TLE)

Creation date: July 5, 2025, 2:36 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 5, 2025, 1:20 p.m. UTC

TLE line 0: 0 SOLRAD 7B

TLE line 1: 1 1291U 65016D 25186.55608060 -.00000002 00000-0 37169-4 0 9996

TLE line 2: 2 1291 70.0784 253.1768 0022658 221.5931 138.3452 13.94916547 68851

Live tracking on map

Real-time ground track for satellite SOLRAD 7B.

In-orbit conjunctions

A list of the most updated potential collisions computed for object SOLRAD 7B.

Target Orbit TCA Probability of collision Miss distance Type
COSMOS 1249 COOLANT LEO 2024-12-18 13:54:00 0.0004047151 35.0 (m) DEBRIS
FENGYUN 1C DEB SSO 2024-08-31 13:08:01 0.0001990997 683.0 (m) DEBRIS
CZ-4 DEB SSO 2024-08-17 03:44:44 0.0005443401 342.0 (m) DEBRIS

Associated space launch

Poppy was the follow-on ELINT system, which succeeded the Grab ELINT satellite system.

SOLRAD 7B was lifted into orbit during the mission ‘Thor SLV-2 Agena D | Poppy 6A,B,C,D’, on board a Thor SLV-2 Agena D space rocket.

The launch took place on March 9, 1965, 6:29 p.m. from Space Launch Complex 2W.

For more information about the launch, click the button.

Launch to space Thor SLV-2 Agena D | Poppy 6A,B,C,D
Thor SLV-2 Agena D | Poppy 6A,B,C,D

Agency: N/A

Status: Launch Successful

Launch date: March 9, 1965, 6:29 p.m. UTC

Rocket: Thor SLV-2 Agena D

Launch pad: Space Launch Complex 2W

Location: Vandenberg SFB, CA, USA

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