The Dexes / Satellite Decay / 28912
CelestialObjectDex · Satellite Decay
METEOSAT-9 (MSG-2)
28912 · 2026-04-02T23:21:19Z
Fixes
130
Observations
130
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T23:21:19.410912+00:00 |
|---|---|
| end_utc | 2026-08-09T15:48:17.316864+00:00 |
| family | celestialdex |
| norad_id | 28,912 |
| object_name | METEOSAT-9 (MSG-2) |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 9.357 |
| n_snaps | 130 |
| span_days | 128.685 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 35786.206 |
| altitude_last_km | 35786.858 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.004 |
| 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 | 2026-04-02T23:21:19.410912+00:00 |
| last_utc | 2026-08-09T15:48:17.316864+00:00 |
| last_fix_utc | 2026-08-09T15:48:17.316864+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T23:21:19.410912+00:00","mean_motion":1.00273172,"altitude_km":35786.206,"eccentricity":0.00003612,"inclination_deg":9.1933},{"utc":"2026-04-03T23:18:49.449024+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/28912.json