STARLINK-5539
NORAD 55747· COSPAR 2023-028G· Starlink· LEO
Launch
Launched on Mar 3, 2023 from Space Launch Complex 4E, United States of America aboard a Falcon 9 Block 5.
Falcon 9 Block 5 | Starlink Group 2-7 →
Live · TLE epoch 2026-09-09 02:43 UTC
Orbit class
LEO — Low Earth Orbit (circular, < 2,000 km)
Operator
SpaceX
Country
United States
Manufacturer
SpaceX
Launched
Mar 3, 2023
Mass
—
Apogee
579 km
Perigee
575 km
Inclination
70.00°
Period
1.60 h
Part of the Starlink constellation · this satellite is one of 10,866 (planned: 42,000)
SpaceX broadband mega-constellation in LEO. Currently the largest constellation ever flown.
Altitude history
Apogee and perigee for STARLINK-5539 across 103 days of archived orbital elements (105 element sets, one per day).
Trend
Stable
Change
+0.0 km
Rate
+0.00 km/day
Now
575 × 579 km
Apogee Perigee
Derived from our own archive of CelesTrak orbital elements, sampled every 3 hours. Short windows show drag and station-keeping; they are not a reentry prediction.
Launched with
44 other catalogued objects still in orbit from launch 2023-028 (Falcon 9 Block 5 | Starlink Group 2-7).
- STARLINK-5592 · 55741
- STARLINK-5595 · 55765
- STARLINK-5599 · 55766
- STARLINK-5606 · 55767
- STARLINK-5584 · 55769
- STARLINK-5557 · 55770
- STARLINK-5591 · 55771
- STARLINK-5835 · 55772
- STARLINK-5833 · 55773
- STARLINK-5812 · 55774
- STARLINK-5809 · 55775
- STARLINK-5814 · 55777
- STARLINK-5816 · 55778
- STARLINK-5817 · 55779
- STARLINK-5819 · 55780
- STARLINK-5820 · 55781
- STARLINK-5826 · 55782
- STARLINK-5825 · 55783
- STARLINK-5797 · 55784
- STARLINK-5818 · 55785
- STARLINK-5823 · 55786
- STARLINK-5811 · 55787
- STARLINK-5804 · 55788
- STARLINK-5594 · 55742
…and 20 more from this launch.
Sources & further reading
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