The Dexes / Satellite Decay / 66778
CelestialObjectDex · Satellite Decay
FORESAIL-1 PRIME
66778 · 2026-04-03T04:43:08Z
Fixes
189
Observations
189
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T04:43:08.878656+00:00 |
|---|---|
| end_utc | 2026-08-09T18:04:36.060096+00:00 |
| family | celestialdex |
| norad_id | 66,778 |
| object_name | FORESAIL-1 PRIME |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.420 |
| n_snaps | 189 |
| span_days | 128.557 |
| mean_motion_first | 15.180 |
| mean_motion_last | 15.191 |
| delta_mean_motion | 0.011 |
| altitude_first_km | 511.870 |
| altitude_last_km | 508.516 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.027 |
| 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 | 2026-04-03T04:43:08.878656+00:00 |
| last_utc | 2026-08-09T18:04:36.060096+00:00 |
| last_fix_utc | 2026-08-09T18:04:36.060096+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T04:43:08.878656+00:00","mean_motion":15.18005102,"altitude_km":511.87,"eccentricity":0.00029801,"inclination_deg":97.424},{"utc":"2026-04-04T06:01:53.154624+00:00","mean_motion":15 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/66778.json