The Dexes / Satellite Decay / 25416
CelestialObjectDex · Satellite Decay
ORBCOMM FM20
25416 · 2026-04-03T09:34:17Z
Fixes
181
Observations
181
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T09:34:17.364576+00:00 |
|---|---|
| end_utc | 2026-08-09T02:05:27.517056+00:00 |
| family | celestialdex |
| norad_id | 25,416 |
| object_name | ORBCOMM FM20 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 44.993 |
| n_snaps | 181 |
| span_days | 127.688 |
| mean_motion_first | 14.380 |
| mean_motion_last | 14.381 |
| delta_mean_motion | 0.002 |
| altitude_first_km | 765.271 |
| altitude_last_km | 764.672 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.005 |
| 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 | 2026-04-03T09:34:17.364576+00:00 |
| last_utc | 2026-08-09T02:05:27.517056+00:00 |
| last_fix_utc | 2026-08-09T02:05:27.517056+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T09:34:17.364576+00:00","mean_motion":14.37952743,"altitude_km":765.271,"eccentricity":0.00008006,"inclination_deg":44.9935},{"utc":"2026-04-03T16:14:28.241664+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/25416.json