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HORUS 1

In orbit NORAD 55690 ZJIS-2442-4739-9389-0871 China

Observations 0
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2023

Launch

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Observations all time

Mission information
Spacecraft name
HORUS 1
Other names
2023-025A
Status
Active
The satellite is in orbit
The network has not received data from this satellite for a long time
Launch and timeline
Launch time
2023-02-24 00:00:00
Separation time
2023-02-24 00:00:00
Satellite appearance
Data for the last 30 days
Orbital parameters of the satellite
Perigee
491.69 km
Apogee
493.82 km
Inclination
97.3°
Period
94.5 min
Semi-major axis
6870.9 km
Velocity
7.6 km/s
Orbital elements
TLE source
Celestrak
TLE updated
2026-10-11 04:56:37 UTC
Two-line elements (TLE)
1 55690U 23025A   26283.95379044  .00008167  00000-0  34674-3 0  9998
2 55690  97.3366 356.0448 0001552 124.1769 235.9616 15.23333294201677
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Orbit history, past year

Mean elements of every TLE set over the past 365 days, plotted against the epoch of the set. Each source is its own line; click it in the legend to hide it. A jump in altitude is a manoeuvre or a bad set; lines drifting apart are a disagreement between sources. “TLE age” is how many hours have passed since the epoch of the source's freshest set, plotted against when the set reached us, on a logarithmic scale. A set the source repeats unchanged does not reset the age.

Prediction divergence

Each TLE set is propagated with SGP4 to the epoch of the next set from the same source and compared with it, plotted against the epoch of the next set; the tooltip shows how many hours ahead the prediction ran. The logarithmic scale shows the size of the divergence and the tooltip its sign: plus along-track means the prediction is ahead of the satellite. This is how well the sets agree, not the true error: the reference is a TLE too, off by about a kilometre. An outlier is a manoeuvre between sets. Sets more than a week apart are not compared.

Time of closest approach, UTC Object 1 Object 2 Distance, km Speed, km/s Max. probability
2026-10-11 12:56:13 HORUS 1
NORAD 55690 		YAOGAN-39 01A
NORAD 57727 		3.757 12.70 1.9e-07
2026-10-11 15:18:00 HORUS 1
NORAD 55690 		YAOGAN-39 01A
NORAD 57727 		4.878 12.69 1.1e-07
2026-10-11 20:36:26 HORUS 1
NORAD 55690 		CZ-4C R/B
NORAD 41039 		4.933 0.11 1.8e-07
2026-10-12 12:44:56 HORUS 1
NORAD 55690 		HERMES-6
NORAD 63489 		4.927 15.11 6.4e-08
2026-10-12 13:24:22 FGRST (GLAST)
NORAD 33053 		HORUS 1
NORAD 55690 		2.982 12.16 3.3e-07
2026-10-12 16:41:22 HORUS 1
NORAD 55690 		HERMES-6
NORAD 63489 		4.155 15.10 9.1e-08
2026-10-12 18:15:56 HORUS 1
NORAD 55690 		HERMES-6
NORAD 63489 		1.260 15.10 9.9e-07
2026-10-12 18:45:22 HORUS 1
NORAD 55690 		STARLINK-5617
NORAD 55753 		1.546 7.97 4.9e-05
2026-10-12 19:50:30 HORUS 1
NORAD 55690 		HERMES-6
NORAD 63489 		1.651 15.10 5.7e-07
2026-10-12 21:25:04 HORUS 1
NORAD 55690 		HERMES-6
NORAD 63489 		4.547 15.10 7.6e-08
2026-10-13 00:23:11 KANOPUS-V 4
NORAD 43181 		HORUS 1
NORAD 55690 		2.682 15.04 2.2e-07
2026-10-13 00:50:33 STARLINK-5293
NORAD 55295 		HORUS 1
NORAD 55690 		4.640 14.37 2.8e-06
2026-10-13 01:57:48 KANOPUS-V 4
NORAD 43181 		HORUS 1
NORAD 55690 		4.344 15.04 8.6e-08
2026-10-13 02:45:07 KANOPUS-V 4
NORAD 43181 		HORUS 1
NORAD 55690 		3.966 15.02 1.0e-07
2026-10-13 04:19:44 KANOPUS-V 4
NORAD 43181 		HORUS 1
NORAD 55690 		3.064 15.02 1.7e-07
2026-10-13 05:09:53 HORUS 1
NORAD 55690 		YAOGAN-43 01E
NORAD 60462 		2.355 13.36 4.5e-07
2026-10-13 06:44:24 HORUS 1
NORAD 55690 		YAOGAN-43 01E
NORAD 60462 		2.887 13.35 3.0e-07
2026-10-13 08:37:22 HORUS 1
NORAD 55690 		LPNTSAT-002 (IOD-2)
NORAD 68409 		0.678 14.98 3.6e-06
2026-10-14 11:42:48 HORUS 1
NORAD 55690 		STARLINK-5918
NORAD 55939 		0.246 11.14 1.6e-03
2026-10-15 20:47:48 HORUS 1
NORAD 55690 		IRIDE-MS1-EAGLET 2-2
NORAD 66696 		3.294 0.04 4.1e-07

Data: CelesTrak SOCRATES Plus, computed from TLEs of the public catalog. This is an estimate, not grounds for a manoeuvre: TLEs carry no covariance, and the maximum probability assumes a position error.

All conjunctions of this satellite