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FLOCK 4H-25

In orbit NORAD 66728 MXAM-8049-0304-5884-9193

Observations 0
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Falcon 9 Block 5 | Transporter 15 (Dedicated SSO Rideshare)

Falcon 9 Block 5

Carrier rocket

Space Launch Complex 4E

Spaceport

0

Observations all time

Mission information
Spacecraft name
FLOCK 4H-25
Status
Active
The satellite is in orbit
The network has not received data from this satellite for a long time
Launch and timeline
Launch
Falcon 9 Block 5 | Transporter 15 (Dedicated SSO Rideshare)
Carrier rocket
Falcon 9 Block 5
Spaceport
Space Launch Complex 4E
Launch time
Separation time
Satellite appearance
Data for the last 30 days
Orbital parameters of the satellite
Perigee
496.31 km
Apogee
498.00 km
Inclination
97.4°
Period
94.6 min
Semi-major axis
6875.3 km
Velocity
7.61 km/s
Orbital elements
TLE source
Celestrak
TLE updated
2026-10-14 14:09:04 UTC
Two-line elements (TLE)
1 66728U 25276BQ  26287.15399788  .00007085  00000-0  31441-3 0  9992
2 66728  97.4086 359.1085 0001230 125.6580 234.4771 15.21874069 47809
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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
2026-10-15 13:46:36 YAOGAN-39 03B
NORAD 57988 		FLOCK 4H-25
NORAD 66728 		2.986 11.53 3.5e-07
2026-10-15 20:19:43 FLOCK 4H-18
NORAD 66721 		FLOCK 4H-25
NORAD 66728 		4.509 0.07 2.2e-07
2026-10-15 21:07:04 FLOCK 4H-18
NORAD 66721 		FLOCK 4H-25
NORAD 66728 		4.568 0.07 2.1e-07
2026-10-16 10:31:36 FLOCK 4H-25
NORAD 66728 		ZIYUAN 3-04 (ZY 3-04)
NORAD 67131 		2.786 0.66 5.7e-07
2026-10-17 03:54:05 FLOCK 4H-25
NORAD 66728 		YAOGAN-47
NORAD 66988 		4.945 0.23 1.8e-07
2026-10-18 11:14:44 FLOCK 4H-25
NORAD 66728 		LPNTSAT-001 (IOD-1)
NORAD 68408 		2.727 14.97 2.2e-07
2026-10-18 11:26:53 FOSSASAT-2E19 (TAT-E)
NORAD 62676 		FLOCK 4H-25
NORAD 66728 		4.567 0.55 2.1e-07
2026-10-18 12:14:14 FOSSASAT-2E19 (TAT-E)
NORAD 62676 		FLOCK 4H-25
NORAD 66728 		4.425 0.55 2.3e-07
2026-10-18 13:01:34 FOSSASAT-2E19 (TAT-E)
NORAD 62676 		FLOCK 4H-25
NORAD 66728 		3.331 0.55 4.0e-07
2026-10-19 12:55:46 KANOPUS-V-IK
NORAD 42825 		FLOCK 4H-25
NORAD 66728 		2.599 15.02 2.4e-07
2026-10-19 14:30:26 KANOPUS-V-IK
NORAD 42825 		FLOCK 4H-25
NORAD 66728 		1.218 15.02 1.1e-06
2026-10-19 16:05:06 KANOPUS-V-IK
NORAD 42825 		FLOCK 4H-25
NORAD 66728 		3.119 15.02 1.7e-07
2026-10-19 16:24:05 FLOCK 4H-25
NORAD 66728 		AVUM R/B
NORAD 49467 		3.634 15.15 1.1e-07
2026-10-19 16:52:25 KANOPUS-V-IK
NORAD 42825 		FLOCK 4H-25
NORAD 66728 		4.695 15.04 7.3e-08
2026-10-19 18:27:05 KANOPUS-V-IK
NORAD 42825 		FLOCK 4H-25
NORAD 66728 		2.705 15.04 2.2e-07
2026-10-19 20:01:44 KANOPUS-V-IK
NORAD 42825 		FLOCK 4H-25
NORAD 66728 		2.472 15.04 2.6e-07
2026-10-19 21:36:24 KANOPUS-V-IK
NORAD 42825 		FLOCK 4H-25
NORAD 66728 		4.290 15.04 8.8e-08
2026-10-20 05:46:07 FLOCK 4H-25
NORAD 66728 		CHUBUSAT-3
NORAD 41339 		3.693 12.98 1.9e-07
2026-10-20 06:51:09 DRUMS
NORAD 49401 		FLOCK 4H-25
NORAD 66728 		3.073 4.94 4.4e-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