The Dexes / Satellite Decay / 28485
CelestialObjectDex · Satellite Decay
SWIFT
28485 · 2026-04-03T02:15:35Z
Fixes
181
Observations
181
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T02:15:35.482752+00:00 |
|---|---|
| end_utc | 2026-08-09T01:53:34.551168+00:00 |
| family | celestialdex |
| norad_id | 28,485 |
| object_name | SWIFT |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 20.553 |
| n_snaps | 181 |
| span_days | 127.985 |
| mean_motion_first | 15.617 |
| mean_motion_last | 15.739 |
| delta_mean_motion | 0.122 |
| altitude_first_km | 382.875 |
| altitude_last_km | 347.815 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.270 |
| 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 | 2026-04-03T02:15:35.482752+00:00 |
| last_utc | 2026-08-09T01:53:34.551168+00:00 |
| last_fix_utc | 2026-08-09T01:53:34.551168+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T02:15:35.482752+00:00","mean_motion":15.61655549,"altitude_km":382.875,"eccentricity":0.00029567,"inclination_deg":20.5542},{"utc":"2026-04-04T02:47:16.498752+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/28485.json