The Dexes / Satellite Decay / 60509
CelestialObjectDex · Satellite Decay
FLOCK 4BE-29
60509 · 2026-04-03T04:58:02Z
Fixes
190
Observations
190
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T04:58:02.671968+00:00 |
|---|---|
| end_utc | 2026-08-09T20:29:34.399968+00:00 |
| family | celestialdex |
| norad_id | 60,509 |
| object_name | FLOCK 4BE-29 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.381 |
| n_snaps | 190 |
| span_days | 128.647 |
| mean_motion_first | 15.416 |
| mean_motion_last | 15.474 |
| delta_mean_motion | 0.058 |
| altitude_first_km | 441.340 |
| altitude_last_km | 424.364 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.123 |
| 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 | 2026-04-03T04:58:02.671968+00:00 |
| last_utc | 2026-08-09T20:29:34.399968+00:00 |
| last_fix_utc | 2026-08-09T20:29:34.399968+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T04:58:02.671968+00:00","mean_motion":15.41615835,"altitude_km":441.34,"eccentricity":0.00031345,"inclination_deg":97.382},{"utc":"2026-04-04T04:20:03.204096+00:00","mean_motion":15 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/60509.json