The Dexes / Satellite Decay / 49387
CelestialObjectDex · Satellite Decay
SDGSAT 1
49387 · 2026-04-03T15:07:50Z
Fixes
315
Observations
315
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:07:50.731392+00:00 |
|---|---|
| end_utc | 2026-08-09T20:15:59.961600+00:00 |
| family | celestialdex |
| norad_id | 49,387 |
| object_name | SDGSAT 1 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.264 |
| n_snaps | 315 |
| span_days | 128.214 |
| mean_motion_first | 15.195 |
| mean_motion_last | 15.193 |
| delta_mean_motion | -0.002 |
| altitude_first_km | 507.227 |
| altitude_last_km | 507.809 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.012 |
| 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 | 2026-04-03T15:07:50.731392+00:00 |
| last_utc | 2026-08-09T20:15:59.961600+00:00 |
| last_fix_utc | 2026-08-09T20:15:59.961600+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:07:50.731392+00:00","mean_motion":15.19540831,"altitude_km":507.227,"eccentricity":0.0007755,"inclination_deg":97.2715},{"utc":"2026-04-03T19:52:19.560288+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/49387.json