The Dexes / Satellite Decay / 64877
CelestialObjectDex · Satellite Decay
IONOSFERA-M 4
64877 · 2026-04-03T14:21:04Z
Fixes
306
Observations
306
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:21:04.542336+00:00 |
|---|---|
| end_utc | 2026-08-09T20:18:35.260416+00:00 |
| family | celestialdex |
| norad_id | 64,877 |
| object_name | IONOSFERA-M 4 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 98.602 |
| n_snaps | 306 |
| span_days | 128.248 |
| mean_motion_first | 14.215 |
| mean_motion_last | 14.215 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 820.369 |
| altitude_last_km | 820.294 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.001 |
| 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 | 2026-04-03T14:21:04.542336+00:00 |
| last_utc | 2026-08-09T20:18:35.260416+00:00 |
| last_fix_utc | 2026-08-09T20:18:35.260416+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:21:04.542336+00:00","mean_motion":14.21474817,"altitude_km":820.369,"eccentricity":0.00018477,"inclination_deg":98.5961},{"utc":"2026-04-03T21:06:31.086144+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/64877.json