The Dexes / Satellite Decay / 69820
CelestialObjectDex · Satellite Decay
STARLINK-37553
69820 · 2026-07-09T20:00:01Z
Fixes
63
Sensor hits
0
Observations
63
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-07-09T20:00:01.999008+00:00 |
|---|---|
| end_utc | 2026-08-09T02:51:37.818144+00:00 |
| family | celestialdex |
| norad_id | 69,820 |
| object_name | STARLINK-37553 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.159 |
| n_snaps | 63 |
| span_days | 30.286 |
| mean_motion_first | 16.021 |
| mean_motion_last | 15.493 |
| delta_mean_motion | -0.527 |
| altitude_first_km | 268.728 |
| altitude_last_km | 418.665 |
| decay_rate_rev_day2 | -0.017 |
| altitude_decay_km_day | 4.954 |
| 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 | 2026-07-09T20:00:01.999008+00:00 |
| last_utc | 2026-08-09T02:51:37.818144+00:00 |
| last_fix_utc | 2026-08-09T02:51:37.818144+00:00 |
| provisional | false |
| track | [{"utc":"2026-07-09T20:00:01.999008+00:00","mean_motion":16.02055103,"altitude_km":268.728,"eccentricity":0.0001046,"inclination_deg":53.1597},{"utc":"2026-07-10T06:00:02.000160+00:00","mean_motion":1 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/69820.json