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FLOCK 4H-31

In orbit NORAD 66734 IITQ-0849-6643-3425-5136

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-31
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
498.12 km
Apogee
502.38 km
Inclination
97.4°
Period
94.7 min
Semi-major axis
6878.4 km
Velocity
7.61 km/s
Orbital elements
TLE source
Celestrak
TLE updated
2026-10-11 12:56:45 UTC
Two-line elements (TLE)
1 66734U 25276BW  26284.27797556  .00009081  00000-0  41419-3 0  9998
2 66734  97.4073 355.6793 0003015 358.7796   1.3431 15.20850414 48059
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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 19:27:08 SEMI-1N
NORAD 66297 		FLOCK 4H-31
NORAD 66734 		4.200 13.89 1.3e-07
2026-10-11 21:01:47 SEMI-1N
NORAD 66297 		FLOCK 4H-31
NORAD 66734 		4.278 13.90 1.2e-07
2026-10-12 01:46:03 SEMI-1P
NORAD 66298 		FLOCK 4H-31
NORAD 66734 		4.749 13.89 1.0e-07
2026-10-12 05:25:29 STARLINK-6085
NORAD 57115 		FLOCK 4H-31
NORAD 66734 		4.351 13.74 3.7e-06
2026-10-12 08:31:55 STARLINK-3359
NORAD 51148 		FLOCK 4H-31
NORAD 66734 		4.306 8.30 6.2e-06
2026-10-12 12:21:44 STARLINK-5918
NORAD 55939 		FLOCK 4H-31
NORAD 66734 		3.770 11.77 6.4e-06
2026-10-12 13:09:04 STARLINK-5918
NORAD 55939 		FLOCK 4H-31
NORAD 66734 		3.428 11.78 7.8e-06
2026-10-14 10:11:54 STARLINK-5617
NORAD 55753 		FLOCK 4H-31
NORAD 66734 		3.912 7.44 7.7e-06
2026-10-14 18:26:38 SEMI-1N
NORAD 66297 		FLOCK 4H-31
NORAD 66734 		4.083 14.31 1.2e-07
2026-10-14 19:46:15 KANOPUS-V 4
NORAD 43181 		FLOCK 4H-31
NORAD 66734 		1.823 15.01 4.9e-07
2026-10-14 20:01:18 SEMI-1N
NORAD 66297 		FLOCK 4H-31
NORAD 66734 		3.809 14.31 1.4e-07
2026-10-14 23:10:54 SEMI-1P
NORAD 66298 		FLOCK 4H-31
NORAD 66734 		4.045 14.30 1.3e-07
2026-10-15 08:56:36 OBJECT C
NORAD 63293 		FLOCK 4H-31
NORAD 66734 		1.510 8.61 1.6e-06
2026-10-15 12:10:29 FLOCK 4H-31
NORAD 66734 		MARS-1
NORAD 68830 		4.822 12.68 1.2e-07
2026-10-15 13:45:14 FLOCK 4H-31
NORAD 66734 		MARS-1
NORAD 68830 		4.797 12.68 1.2e-07
2026-10-15 18:26:03 MICE-1
NORAD 66684 		FLOCK 4H-31
NORAD 66734 		4.796 0.04 1.9e-07
2026-10-15 20:46:48 FLOCK 4H-31
NORAD 66734 		CZ-4C DEB
NORAD 42670 		3.482 0.07 3.5e-07
2026-10-16 02:20:53 RAISE 2
NORAD 49397 		FLOCK 4H-31
NORAD 66734 		3.846 5.35 2.8e-07
2026-10-16 05:15:49 HXMT (HUIYAN)
NORAD 42758 		FLOCK 4H-31
NORAD 66734 		3.906 13.40 1.6e-07
2026-10-16 07:37:50 HXMT (HUIYAN)
NORAD 42758 		FLOCK 4H-31
NORAD 66734 		4.684 13.39 1.1e-07
2026-10-16 08:25:14 FLOCK 4H-31
NORAD 66734 		SL-16 DEB
NORAD 29094 		3.437 15.11 1.3e-07
2026-10-16 09:53:26 TOMORROW-S9
NORAD 66309 		FLOCK 4H-31
NORAD 66734 		2.928 14.39 2.3e-07
2026-10-17 04:48:34 SEMI-1L
NORAD 66294 		FLOCK 4H-31
NORAD 66734 		2.760 14.43 2.6e-07
2026-10-17 08:53:34 FLOCK 4H-31
NORAD 66734 		HULIANWANG JISHU SHIYAN 10D
NORAD 69323 		3.762 14.46 1.4e-07
2026-10-17 13:07:30 FLOCK 4H-31
NORAD 66734 		DB GME UT (DB-GLOBE MISSION EARTH-UT)
NORAD 68459 		4.792 12.71 1.2e-07
2026-10-17 14:26:44 MALLIGYONG-1
NORAD 58400 		FLOCK 4H-31
NORAD 66734 		3.497 15.00 1.3e-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