The Dexes / Satellite Decay / 68821
CelestialObjectDex · Satellite Decay
STARLINK-37421
68821 · 2026-04-29T04:00:01Z
Fixes
176
Observations
176
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-29T04:00:01.998720+00:00 |
|---|---|
| end_utc | 2026-08-09T13:21:49.113216+00:00 |
| family | celestialdex |
| norad_id | 68,821 |
| object_name | STARLINK-37421 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.285 |
| n_snaps | 176 |
| span_days | 102.390 |
| mean_motion_first | 15.974 |
| mean_motion_last | 15.335 |
| delta_mean_motion | -0.639 |
| altitude_first_km | 281.641 |
| altitude_last_km | 465.509 |
| decay_rate_rev_day2 | -0.006 |
| altitude_decay_km_day | 1.808 |
| 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 | 2026-04-29T04:00:01.998720+00:00 |
| last_utc | 2026-08-09T13:21:49.113216+00:00 |
| last_fix_utc | 2026-08-09T13:21:49.113216+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-29T04:00:01.998720+00:00","mean_motion":15.97397852,"altitude_km":281.641,"eccentricity":0.0001463,"inclination_deg":97.284},{"utc":"2026-04-29T14:00:01.000224+00:00","mean_motion":15 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/68821.json