SOLRAD 7B

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite SOLRAD 7B at a glance.

Uptime

22090

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: 103.231 minutes

Inclination: 70.0793 deg

SMA: 7289.564 km

Apoapsis: 925.557 km

Periapsis: 897.301 km

RAAN: 133.5159 deg

Eccentricy: 0.00193809

Argument of periapsis: 148.3722 deg

Mean anomaly: 211.8553 deg

Mean motion: 13.94923698 rev/day

Mean motion (dot): 0.0000005 rev/day2

B* drag term: 0.000076075822 1/REarth

Two-line elements (TLE)

Creation date: Aug. 31, 2025, 2:26 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Aug. 30, 2025, 8:18 p.m. UTC

TLE line 0: 0 SOLRAD 7B

TLE line 1: 1 01291U 65016D 25242.84648338 .00000050 00000-0 76076-4 0 9995

TLE line 2: 2 01291 70.0793 133.5159 0019381 148.3722 211.8553 13.94923698 76212

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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