The Dexes / Satellite Decay / 49401
CelestialObjectDex · Satellite Decay
DRUMS
49401 · 2026-04-03T14:59:46Z
Fixes
207
Observations
207
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:59:46.389408+00:00 |
|---|---|
| end_utc | 2026-08-09T20:00:07.330752+00:00 |
| family | celestialdex |
| norad_id | 49,401 |
| object_name | DRUMS |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 97.330 |
| n_snaps | 207 |
| span_days | 128.209 |
| mean_motion_first | 15.198 |
| mean_motion_last | 15.210 |
| delta_mean_motion | 0.012 |
| altitude_first_km | 506.534 |
| altitude_last_km | 502.955 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.028 |
| 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 | 2026-04-03T14:59:46.389408+00:00 |
| last_utc | 2026-08-09T20:00:07.330752+00:00 |
| last_fix_utc | 2026-08-09T20:00:07.330752+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:59:46.389408+00:00","mean_motion":15.19770462,"altitude_km":506.534,"eccentricity":0.00168329,"inclination_deg":97.338},{"utc":"2026-04-04T02:03:27.239616+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/49401.json