The Dexes / Satellite Decay / 46718
CelestialObjectDex · Satellite Decay
STARLINK-1821
46718 · 2026-04-03T16:00:00Z
Fixes
186
Observations
186
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 | 2026-08-09T06:13:38.811072+00:00 |
| family | celestialdex |
| norad_id | 46,718 |
| object_name | STARLINK-1821 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.043 |
| n_snaps | 186 |
| span_days | 127.593 |
| mean_motion_first | 15.419 |
| mean_motion_last | 15.614 |
| delta_mean_motion | 0.196 |
| altitude_first_km | 440.626 |
| altitude_last_km | 383.574 |
| decay_rate_rev_day2 | 0.002 |
| altitude_decay_km_day | -0.450 |
| 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 | 2026-08-09T06:13:38.811072+00:00 |
| last_fix_utc | 2026-08-09T06:13:38.811072+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T16:00:00.999936+00:00","mean_motion":15.41858023,"altitude_km":440.626,"eccentricity":0.0003859,"inclination_deg":53.0455},{"utc":"2026-04-03T20:00:01.999008+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/46718.json