The Dexes / Satellite Decay / 40484
CelestialObjectDex · Satellite Decay
MMS 3
40484 · 2026-04-03T16:00:00Z
Fixes
316
Observations
316
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T16:00:00.999936+00:00 |
|---|---|
| end_utc | 2026-08-09T20:00:01.999008+00:00 |
| family | celestialdex |
| norad_id | 40,484 |
| object_name | MMS 3 |
| group | active |
| eccentricity_median | 0.834 |
| inclination_deg_median | 72.070 |
| n_snaps | 316 |
| span_days | 128.167 |
| mean_motion_first | 0.284 |
| mean_motion_last | 0.284 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 91498.433 |
| altitude_last_km | 91408.584 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.154 |
| 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 | 2026-04-03T16:00:00.999936+00:00 |
| last_utc | 2026-08-09T20:00:01.999008+00:00 |
| last_fix_utc | 2026-08-09T20:00:01.999008+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T16:00:00.999936+00:00","mean_motion":0.28352062,"altitude_km":91498.433,"eccentricity":0.83880537,"inclination_deg":71.1446},{"utc":"2026-04-03T20:00:01.999008+00:00","mean_motion" |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/40484.json