Tongxin Jishu Shiyan 21

LIVE
See on the map

Link to this page

https://orbinauts.com/satellites/66586

  • Military
  • TJS-21
  • NORAD 66586
  • 2025-269A
  • Highly elliptical orbit

Current orbit

Where Tongxin Jishu Shiyan 21 is on the world map, with the orbit it is flying
View on live map

Orbit began over the Southern Ocean

Orbit ends over the Southern Ocean

Past trackNext orbits

In view from you

Nobody watches Tongxin Jishu Shiyan 21 go over, but a receiver still asks whether it is above the horizon. Say where you are and this card answers.

Your position is rounded to about a kilometre and sent only to the Orbinauts API, to find the pass.

No brightness has been published for Tongxin Jishu Shiyan 21, so it is not a naked-eye satellite and no city page carries pass times for it. Nothing here estimates one.

Seeing it

There is nothing to go outside for: it is too faint to see with the naked eye from anywhere on Earth.

Timeline

  1. Launch

    Launched, on the day GCAT records. Source

Summary

Over the Pacific Ocean LIVE

Where is Tongxin Jishu Shiyan 21?

At 6:46:42 PM UTC Tongxin Jishu Shiyan 21 was over the Pacific Ocean (44.3° N, 173.9° W), 24,584 km up, moving at 3.28 km/s and in sunlight.

What is Tongxin Jishu Shiyan 21?

A satellite in a highly elliptical orbit, in space since Nov 21, 2025.

Can I see Tongxin Jishu Shiyan 21?

No, not with the naked eye: no brightness has been published for Tongxin Jishu Shiyan 21, and nothing here estimates one.

General

Operator
General Armaments Dept. of the PLA
State
China, People's Republic of
Built by
Shanghai Academy of Space Technology (CASC 8th Acad)
Military
Yes: a defence organisation flies it
Launched
Mass
about 4 t
Operating
Yes
Orbit class
Highly elliptical orbit

From GCAT, Jonathan McDowell’s general catalogue, licensed CC BY 4.0: the operator, the state, the manufacturer, that a defence organisation flies it, the launch day, the mass, and whether it is operating. The orbit class is read from its current elements.

Latest orbital data

Position received
6:46 PM UTC
Station time (UTC)
6:46 PM UTC
Latitude / longitude
44.3° N, 173.9° W
Altitude
24,584 km
Speed
3.28 km/s (11,801 km/h)
Course
north
Light
In sunlight
Inclination
63.4°
Orbital period
717.7 minutes
Orbits per day
2.01
This orbit
1,892 to 38,455 km
In shadow
None of this orbit
In view from
Within 7,600 km of the point below it
Elements epoch
Nov 7, 2026, 5:17 PM, 1 day old
Source
Position from Space-Track orbital elements of Nov 7, 2026, 5:17 PM, 1 day old.

No operator publishes an ephemeris for Tongxin Jishu Shiyan 21, so every position here comes from its orbital elements.

In orbit

Close approaches
No close approach to Tongxin Jishu Shiyan 21 has been reported publicly in the past thirty days.

From Space-Track’s public conjunction messages; the latest report was issued Nov 8, 2026, 1:11 PM, 3 hours old. Only approaches serious enough to be reported publicly are listed: within three days and, for two bodies near the Earth, closer than a kilometre with a chance of a collision above 1 in 10,000, the level at which NASA moves the ISS.

See every close approach reported in orbit.

Data and API

The current elements from Space-Track as an OMM object, epoch Nov 7, 2026, 5:17 PM, 1 day old.

{
  "OBJECT_NAME": "TJS-21",
  "OBJECT_ID": "2025-269A",
  "EPOCH": "2026-11-07T17:17:26.049696",
  "MEAN_MOTION": 2.00652028,
  "ECCENTRICITY": 0.6885273,
  "INCLINATION": 63.4218,
  "RA_OF_ASC_NODE": 126.7697,
  "ARG_OF_PERICENTER": 268.4047,
  "MEAN_ANOMALY": 18.5426,
  "EPHEMERIS_TYPE": 0,
  "CLASSIFICATION_TYPE": "U",
  "NORAD_CAT_ID": 66586,
  "ELEMENT_SET_NO": 999,
  "REV_AT_EPOCH": 10,
  "BSTAR": 0,
  "MEAN_MOTION_DOT": 0.00001113,
  "MEAN_MOTION_DDOT": 0
}