- Earth-watching satellite
- HJ-1A
- NORAD 33320
- 2008-041A
- Low Earth orbit
Current orbit
View on live mapOrbit began over the Pacific Ocean
Orbit ends over the Pacific Ocean
In view from you
Nobody watches Huanjing Jianzai 1A 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 Huanjing Jianzai 1A, 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 for the naked eye. What it is up there for reaches the ground as pictures and measurements, not as a light in the sky.
Timeline
- Launch
Launched, on the day GCAT records. Source
Summary
Over the Ross Sea LIVE
Where is Huanjing Jianzai 1A?
At 2:34:48 AM UTC Huanjing Jianzai 1A was over the Ross Sea (73.8° S, 126° W), 646 km up, moving at 7.53 km/s and in sunlight.
What is Huanjing Jianzai 1A?
A satellite that watches the Earth in low Earth orbit, in space since Sep 6, 2008.
Can I see Huanjing Jianzai 1A?
No, not with the naked eye: no brightness has been published for Huanjing Jianzai 1A, and nothing here estimates one; what people use is its pictures and measurements of the Earth.
General
- Operator
- China Resources Satellite Applications Center (CRESDA)
- State
- China, People's Republic of
- Built by
- Spaceflight East Is Red Satellite Co
- What it is
- Earth-watching satellite
- Launched
- Mass
- 510 kg
- Operating
- Orbit class
- Low Earth orbit
From GCAT, Jonathan McDowell’s general catalogue, licensed CC BY 4.0: the operator, the state, the manufacturer, what it is for, the launch day, the mass, and whether it is operating. The orbit class is read from its current elements.
Latest orbital data
- Position received
- 2:34 AM UTC
- Station time (UTC)
- 2:34 AM UTC
- Latitude / longitude
- 73.8° S, 126° W
- Altitude
- 646 km
- Speed
- 7.53 km/s (27,115 km/h)
- Course
- north-west
- Light
- In sunlight
- Inclination
- 97.7°
- Orbital period
- 97 minutes
- Orbits per day
- 14.84
- This orbit
- 599 to 627 km
- In shadow
- None of this orbit
- In view from
- Within 1,850 km of the point below it
- Elements epoch
- Nov 8, 2026, 5:53 AM, 20 hours old
- Source
- Position from Space-Track orbital elements of Nov 8, 2026, 5:53 AM, 20 hours old.
No operator publishes an ephemeris for Huanjing Jianzai 1A, so every position here comes from its orbital elements.
In orbit
- Close approaches
- No close approach to Huanjing Jianzai 1A has been reported publicly in the past thirty days.
From Space-Track’s public conjunction messages; the latest report was issued Nov 8, 2026, 2:43 PM, 9 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.
Launched with
Huanjing Jianzai 1A shares its launch, 2008-041, with one other body the catalogue lists in orbit.
| Body | What it is |
|---|---|
| HJ-1B | Earth-watching satellite |
Read from the international designators of the US catalogue: the year and the launch number every piece of one launch shares. A body that has come down is no longer listed.
Beside the others
| Satellite | Typical altitude | Orbital period | Mass | In space since |
|---|---|---|---|---|
| Huanjing Jianzai 1A | 599 to 627 km | 97 minutes | 510 kg | 2008 |
| WorldView-3 | 612 to 615 km | 97 minutes | about 2.8 t | 2014 |
| SAOCOM 1A | 622 to 624 km | 97 minutes | about 3 t | 2018 |
| ALOS-2 | 630 to 632 km | 97 minutes | about 2.1 t | 2014 |
| SMAP | 681 to 683 km | 98 minutes | 944 kg | 2015 |
| Aqua | 685 to 687 km | 98 minutes | about 2.9 t | 2002 |
Data and API
The current elements from Space-Track as an OMM object, epoch Nov 8, 2026, 5:53 AM, 20 hours old.
{
"OBJECT_NAME": "HJ-1A",
"OBJECT_ID": "2008-041A",
"EPOCH": "2026-11-08T05:53:09.445344",
"MEAN_MOTION": 14.84253136,
"ECCENTRICITY": 0.00198134,
"INCLINATION": 97.6851,
"RA_OF_ASC_NODE": 292.6697,
"ARG_OF_PERICENTER": 29.4111,
"MEAN_ANOMALY": 330.8214,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 33320,
"ELEMENT_SET_NO": 999,
"REV_AT_EPOCH": 97977,
"BSTAR": 0.00021845437,
"MEAN_MOTION_DOT": 0.00001784,
"MEAN_MOTION_DDOT": 0
}