The Dexes / Satellite Decay / 45254
CelestialObjectDex · Satellite Decay
MERIDIAN 9
45254 · 2026-03-30T16:53:30Z
Fixes
101
Sensor hits
0
Observations
101
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-03-30T16:53:30.084288+00:00 |
|---|---|
| end_utc | 2026-08-09T07:22:40.099584+00:00 |
| family | celestialdex |
| norad_id | 45,254 |
| object_name | MERIDIAN 9 |
| group | active |
| eccentricity_median | 0.686 |
| inclination_deg_median | 65.529 |
| n_snaps | 101 |
| span_days | 131.604 |
| mean_motion_first | 2.006 |
| mean_motion_last | 2.006 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 20178.739 |
| altitude_last_km | 20177.929 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.008 |
| 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 | 2026-03-30T16:53:30.084288+00:00 |
| last_utc | 2026-08-09T07:22:40.099584+00:00 |
| last_fix_utc | 2026-08-09T07:22:40.099584+00:00 |
| provisional | false |
| track | [{"utc":"2026-03-30T16:53:30.084288+00:00","mean_motion":2.0060294,"altitude_km":20178.739,"eccentricity":0.68839302,"inclination_deg":65.5054},{"utc":"2026-04-06T16:23:12.162624+00:00","mean_motion": |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/45254.json