The Dexes / Satellite Decay / 52840
CelestialObjectDex · Satellite Decay
STARLINK-4049
52840 · 2026-04-03T16:00:00Z
Fixes
285
Observations
285
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T16:00:00.999936+00:00 |
|---|---|
| end_utc | 2026-08-09T18:40:31.391040+00:00 |
| family | celestialdex |
| norad_id | 52,840 |
| object_name | STARLINK-4049 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.215 |
| n_snaps | 285 |
| span_days | 128.111 |
| mean_motion_first | 15.133 |
| mean_motion_last | 15.265 |
| delta_mean_motion | 0.132 |
| altitude_first_km | 526.169 |
| altitude_last_km | 486.181 |
| decay_rate_rev_day2 | 0.003 |
| altitude_decay_km_day | -0.748 |
| 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 | 2026-04-03T16:00:00.999936+00:00 |
| last_utc | 2026-08-09T18:40:31.391040+00:00 |
| last_fix_utc | 2026-08-09T18:40:31.391040+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T16:00:00.999936+00:00","mean_motion":15.13291925,"altitude_km":526.169,"eccentricity":0.00013227,"inclination_deg":53.2172},{"utc":"2026-04-03T19:36:47.417472+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/52840.json