Tongxin Jishu Shiyan 3 beside Gao Fen 13-02

A satellite of China Aerospace Corp came up beside a satellite of General Department of Remote Sensing Satellites, 20 km away at the nearest its sources state.

Reported: 1 public report other than Orbinauts names these two.

From the public record

From
May 13, 2026
no source states the end
Closest stated
20 km
Orbit
GEO
geostationary orbit, over 148.2° E

The one that moved

Tongxin Jishu Shiyan 3

China Aerospace Corp, CN

43874 · 2018-110A · launched Dec 24, 2018

The one it came up to

Gao Fen 13-02

General Department of Remote Sensing Satellites, CN

55912 · 2023-036A · launched Mar 17, 2023

What the sources state

Every day and distance here is the sources’ own, to the precision they state.

When
from May 13, 2026
BesideMay 13, 2026
TJS-3 manoeuvred into position on 13 May 2026; the two satellites briefly cross paths every 12 hours, under 20 km in the evening pass
Closest stated
under 20 km

The detector was not yet running: it reads low Earth orbit since April 2026 and the geostationary belt since October 2026.

Reported elsewhere

Who else said these two were together, earliest first.