The Dexes / Satellite Decay / 39269
CelestialObjectDex · Satellite Decay
POPACS 2
39269 · 2026-04-03T15:37:04Z
Fixes
170
Observations
170
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:37:04.879488+00:00 |
|---|---|
| end_utc | 2026-08-09T15:01:08.029632+00:00 |
| family | celestialdex |
| norad_id | 39,269 |
| object_name | POPACS 2 |
| group | active |
| eccentricity_median | 0.042 |
| inclination_deg_median | 80.992 |
| n_snaps | 170 |
| span_days | 127.975 |
| mean_motion_first | 14.892 |
| mean_motion_last | 14.931 |
| delta_mean_motion | 0.039 |
| altitude_first_km | 600.500 |
| altitude_last_km | 588.415 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.087 |
| 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 | 2026-04-03T15:37:04.879488+00:00 |
| last_utc | 2026-08-09T15:01:08.029632+00:00 |
| last_fix_utc | 2026-08-09T15:01:08.029632+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:37:04.879488+00:00","mean_motion":14.8917892,"altitude_km":600.5,"eccentricity":0.04258288,"inclination_deg":80.9927},{"utc":"2026-04-03T18:50:35.297664+00:00","mean_motion":14. |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39269.json