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FLOCK 4H-1

In orbit NORAD 66704 CJSG-2620-6037-8669-7874

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-1
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
494.07 km
Apogee
495.97 km
Inclination
97.4°
Period
94.6 min
Semi-major axis
6873.2 km
Velocity
7.6 km/s
Orbital elements
TLE source
Celestrak
TLE updated
2026-10-14 14:09:04 UTC
Two-line elements (TLE)
1 66704U 25276AQ  26287.17074305  .00022103  00000-0  95263-3 0  9993
2 66704  97.4065 359.0195 0001381 245.0277 115.0816 15.22580963 48520
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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 09:17:40 HERMES-6
NORAD 63489 		FLOCK 4H-1
NORAD 66704 		3.611 15.10 1.2e-07
2026-10-15 09:28:17 FLOCK 4H-1
NORAD 66704 		HULIANWANG JISHU SHIYAN 10D
NORAD 69323 		3.613 14.17 1.6e-07
2026-10-15 14:45:32 ION SCV-017
NORAD 63230 		FLOCK 4H-1
NORAD 66704 		4.634 15.09 7.3e-08
2026-10-17 20:54:18 FLOCK 4H-1
NORAD 66704 		CZ-4C R/B
NORAD 43264 		4.900 14.19 8.8e-08
2026-10-18 01:06:02 FLOCK 4H-1
NORAD 66704 		FLOCK 4H-5
NORAD 66708 		2.588 0.00 3.1e-07
2026-10-19 10:28:45 CELTEE 1
NORAD 41850 		FLOCK 4H-1
NORAD 66704 		4.801 14.93 7.3e-08
2026-10-20 02:25:25 SUPERVIEW NEO-1 03
NORAD 63125 		FLOCK 4H-1
NORAD 66704 		4.389 5.14 2.2e-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