The Dexes / Satellite Decay / 55621
CelestialObjectDex · Satellite Decay
STARLINK-5709
55621 · 2026-04-03T09:32:40Z
Fixes
171
Observations
171
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T09:32:40.955136+00:00 |
|---|---|
| end_utc | 2026-08-09T05:55:01.730784+00:00 |
| family | celestialdex |
| norad_id | 55,621 |
| object_name | STARLINK-5709 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 43.004 |
| n_snaps | 171 |
| span_days | 127.849 |
| mean_motion_first | 15.267 |
| mean_motion_last | 15.276 |
| delta_mean_motion | 0.008 |
| altitude_first_km | 485.574 |
| altitude_last_km | 483.071 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.023 |
| decay_note | mean_motion slope (rev/day^2) and altitude slope (km/day) from least-squares fit of measured GP elements; altitude from Kepler a=(GM/n^2)^(1/3) - R_earth |
| first_utc | 2026-04-03T09:32:40.955136+00:00 |
| last_utc | 2026-08-09T05:55:01.730784+00:00 |
| last_fix_utc | 2026-08-09T05:55:01.730784+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T09:32:40.955136+00:00","mean_motion":15.26737317,"altitude_km":485.574,"eccentricity":0.00016649,"inclination_deg":43.0007},{"utc":"2026-04-04T13:48:25.875072+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/55621.json