The Dexes / Satellite Decay / 40717
CelestialObjectDex · Satellite Decay
DMC3-FM3
40717 · 2026-04-03T15:02:44Z
Fixes
311
Observations
311
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:02:44.001888+00:00 |
|---|---|
| end_utc | 2026-08-09T20:36:55.209312+00:00 |
| family | celestialdex |
| norad_id | 40,717 |
| object_name | DMC3-FM3 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.658 |
| n_snaps | 311 |
| span_days | 128.232 |
| mean_motion_first | 14.857 |
| mean_motion_last | 14.858 |
| delta_mean_motion | 0.001 |
| altitude_first_km | 611.527 |
| altitude_last_km | 611.115 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.003 |
| 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 | 2026-04-03T15:02:44.001888+00:00 |
| last_utc | 2026-08-09T20:36:55.209312+00:00 |
| last_fix_utc | 2026-08-09T20:36:55.209312+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:02:44.001888+00:00","mean_motion":14.85656271,"altitude_km":611.527,"eccentricity":0.00042739,"inclination_deg":97.668},{"utc":"2026-04-03T19:53:41.547840+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/40717.json