The Dexes / Satellite Decay / 61778
CelestialObjectDex · Satellite Decay
SITRO-AIS 39
61778 · 2026-04-03T14:54:18Z
Fixes
300
Observations
300
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:54:18.675936+00:00 |
|---|---|
| end_utc | 2026-08-09T19:50:19.231008+00:00 |
| family | celestialdex |
| norad_id | 61,778 |
| object_name | SITRO-AIS 39 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.291 |
| n_snaps | 300 |
| span_days | 128.206 |
| mean_motion_first | 15.519 |
| mean_motion_last | 15.631 |
| delta_mean_motion | 0.112 |
| altitude_first_km | 411.238 |
| altitude_last_km | 378.761 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.253 |
| 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 | 2026-04-03T14:54:18.675936+00:00 |
| last_utc | 2026-08-09T19:50:19.231008+00:00 |
| last_fix_utc | 2026-08-09T19:50:19.231008+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:54:18.675936+00:00","mean_motion":15.51879721,"altitude_km":411.238,"eccentricity":0.00078597,"inclination_deg":97.3019},{"utc":"2026-04-03T19:32:51.878112+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/61778.json