The Dexes / Satellite Decay / 49316
CelestialObjectDex · Satellite Decay
2021-091B
49316 · 2026-04-03T14:09:35Z
Fixes
350
Observations
350
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:09:35.588736+00:00 |
|---|---|
| end_utc | 2026-08-23T23:45:51.306624+00:00 |
| family | celestialdex |
| norad_id | 49,316 |
| object_name | 2021-091B |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.448 |
| n_snaps | 350 |
| span_days | 142.400 |
| mean_motion_first | 15.182 |
| mean_motion_last | 15.188 |
| delta_mean_motion | 0.007 |
| altitude_first_km | 511.374 |
| altitude_last_km | 509.335 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.015 |
| 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 | 2026-04-03T14:09:35.588736+00:00 |
| last_utc | 2026-08-23T23:45:51.306624+00:00 |
| last_fix_utc | 2026-08-23T23:45:51.306624+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:09:35.588736+00:00","mean_motion":15.18169052,"altitude_km":511.374,"eccentricity":0.00121557,"inclination_deg":97.4481},{"utc":"2026-04-03T20:29:14.280864+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/49316.json