The Dexes / Satellite Decay / 68419
CelestialObjectDex · Satellite Decay
FEMTO-1
68419 · 2026-04-16T19:58:40Z
Fixes
179
Observations
179
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-16T19:58:40.592928+00:00 |
|---|---|
| end_utc | 2026-08-09T20:37:02.365824+00:00 |
| family | celestialdex |
| norad_id | 68,419 |
| object_name | FEMTO-1 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.454 |
| n_snaps | 179 |
| span_days | 115.027 |
| mean_motion_first | 15.185 |
| mean_motion_last | 15.192 |
| delta_mean_motion | 0.007 |
| altitude_first_km | 510.296 |
| altitude_last_km | 508.219 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.018 |
| 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 | 2026-04-16T19:58:40.592928+00:00 |
| last_utc | 2026-08-09T20:37:02.365824+00:00 |
| last_fix_utc | 2026-08-09T20:37:02.365824+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-16T19:58:40.592928+00:00","mean_motion":15.18525696,"altitude_km":510.296,"eccentricity":0.00034063,"inclination_deg":97.4498},{"utc":"2026-04-17T05:28:00.773472+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/68419.json