The Dexes / Satellite Decay / 52939
CelestialObjectDex · Satellite Decay
POEM
52939 · 2026-05-18T19:56:59Z
Fixes
99
Observations
99
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-05-18T19:56:59.701056+00:00 |
|---|---|
| end_utc | 2026-08-09T20:43:18.460704+00:00 |
| family | celestialdex |
| norad_id | 52,939 |
| object_name | POEM |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 9.952 |
| n_snaps | 99 |
| span_days | 83.032 |
| mean_motion_first | 15.237 |
| mean_motion_last | 15.246 |
| delta_mean_motion | 0.009 |
| altitude_first_km | 494.686 |
| altitude_last_km | 491.863 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.034 |
| 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 | 2026-05-18T19:56:59.701056+00:00 |
| last_utc | 2026-08-09T20:43:18.460704+00:00 |
| last_fix_utc | 2026-08-09T20:43:18.460704+00:00 |
| provisional | false |
| track | [{"utc":"2026-05-18T19:56:59.701056+00:00","mean_motion":15.23701829,"altitude_km":494.686,"eccentricity":0.0022847,"inclination_deg":9.9523},{"utc":"2026-05-19T00:39:44.856000+00:00","mean_motion":15 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/52939.json