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FLOCK 4H-16

In orbit NORAD 66719 FJEZ-8043-2741-1424-5226

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-16
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
497.33 km
Apogee
501.76 km
Inclination
97.4°
Period
94.7 min
Semi-major axis
6877.7 km
Velocity
7.6 km/s
Orbital elements
TLE source
Celestrak
TLE updated
2026-10-10 20:56:59 UTC
Two-line elements (TLE)
1 66719U 25276BF  26283.45917564  .00006041  00000-0  27485-3 0  9993
2 66719  97.4142 355.2191 0003219 341.0637  19.0478 15.21079790 47936
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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
2026-10-12 02:52:58 TRANSPORTER-15 OBJECT AA
NORAD 66690 		FLOCK 4H-16
NORAD 66719 		4.846 0.07 1.9e-07
2026-10-12 09:59:31 FLOCK 4H-8
NORAD 66711 		FLOCK 4H-16
NORAD 66719 		2.772 0.02 5.7e-07
2026-10-12 10:46:26 FLOCK 4H-8
NORAD 66711 		FLOCK 4H-16
NORAD 66719 		2.414 0.02 7.5e-07
2026-10-12 11:39:24 FLOCK 4H-16
NORAD 66719 		IRIDIUM 33 DEB
NORAD 46971 		1.539 15.13 6.4e-07
2026-10-12 12:26:44 FLOCK 4H-16
NORAD 66719 		IRIDIUM 33 DEB
NORAD 46971 		2.667 15.16 2.1e-07
2026-10-12 13:14:07 FLOCK 4H-16
NORAD 66719 		IRIDIUM 33 DEB
NORAD 46971 		3.559 15.13 1.2e-07
2026-10-12 17:07:06 FLOCK 4H-16
NORAD 66719 		TOMORROW-S10
NORAD 67398 		4.527 9.06 1.8e-07
2026-10-12 17:54:29 FLOCK 4H-16
NORAD 66719 		TOMORROW-S10
NORAD 67398 		2.350 9.05 6.6e-07
2026-10-13 02:20:49 YUNYAO-1 20
NORAD 58760 		FLOCK 4H-16
NORAD 66719 		2.275 8.29 7.3e-07
2026-10-13 03:08:10 YUNYAO-1 20
NORAD 58760 		FLOCK 4H-16
NORAD 66719 		4.434 8.29 1.9e-07
2026-10-13 16:07:17 FLOCK 4H-16
NORAD 66719 		MISR-C-2
NORAD 68633 		4.249 10.51 1.9e-07
2026-10-13 18:23:35 FLOCK 4H-16
NORAD 66719 		FENGYUN 1C DEB
NORAD 30926 		4.171 10.71 1.9e-07
2026-10-13 19:18:26 FLOCK 4H-16
NORAD 66719 		SL-24 R/B
NORAD 36606 		3.445 15.02 1.4e-07
2026-10-14 19:14:57 FLOCK 4H-16
NORAD 66719 		QAEM 100 R/B
NORAD 61071 		1.952 4.40 1.1e-06
2026-10-15 05:09:36 FLOCK 4H-16
NORAD 66719 		CZ-2C DEB
NORAD 37770 		1.636 13.74 8.7e-07
2026-10-15 09:49:40 FLOCK 4H-16
NORAD 66719 		TRANSPORTER-18 OBJECT BU
NORAD 100949 		4.596 0.32 2.1e-07
2026-10-15 20:52:34 IRIDE-MS1-EAGLET 2-6
NORAD 66700 		FLOCK 4H-16
NORAD 66719 		4.994 0.07 1.8e-07
2026-10-16 06:54:23 SNAP-3 JIMI
NORAD 40975 		FLOCK 4H-16
NORAD 66719 		4.400 14.93 8.7e-08
2026-10-16 07:03:29 FLOCK 4H-16
NORAD 66719 		COSMOS 2251 DEB
NORAD 36050 		4.442 9.63 1.8e-07
2026-10-16 14:17:31 FLOCK 4H-16
NORAD 66719 		FGN-100-D3
NORAD 68464 		3.800 12.73 1.9e-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