The Dexes / Satellite Decay / 43778
CelestialObjectDex · Satellite Decay
SPAWAR-CAL-OR
43778 · 2026-04-03T14:21:40Z
Fixes
176
Observations
176
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:21:40.463136+00:00 |
|---|---|
| end_utc | 2026-08-09T15:22:03.525312+00:00 |
| family | celestialdex |
| norad_id | 43,778 |
| object_name | SPAWAR-CAL-OR |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.380 |
| n_snaps | 176 |
| span_days | 128.042 |
| mean_motion_first | 15.220 |
| mean_motion_last | 15.242 |
| delta_mean_motion | 0.022 |
| altitude_first_km | 499.705 |
| altitude_last_km | 493.216 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.051 |
| 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 | 2026-04-03T14:21:40.463136+00:00 |
| last_utc | 2026-08-09T15:22:03.525312+00:00 |
| last_fix_utc | 2026-08-09T15:22:03.525312+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:21:40.463136+00:00","mean_motion":15.2203444,"altitude_km":499.705,"eccentricity":0.00110091,"inclination_deg":97.3887},{"utc":"2026-04-04T14:01:43.255488+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/43778.json