The Dexes / Satellite Decay / 26958
CelestialObjectDex · Satellite Decay
PROBA-1
26958 · 2026-04-03T14:07:27Z
Fixes
346
Observations
346
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:07:27.961248+00:00 |
|---|---|
| end_utc | 2026-08-23T23:12:43.519104+00:00 |
| family | celestialdex |
| norad_id | 26,958 |
| object_name | PROBA-1 |
| group | active |
| eccentricity_median | 0.005 |
| inclination_deg_median | 97.961 |
| n_snaps | 346 |
| span_days | 142.379 |
| mean_motion_first | 15.072 |
| mean_motion_last | 15.077 |
| delta_mean_motion | 0.006 |
| altitude_first_km | 544.776 |
| altitude_last_km | 543.087 |
| 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 | 2026-04-03T14:07:27.961248+00:00 |
| last_utc | 2026-08-23T23:12:43.519104+00:00 |
| last_fix_utc | 2026-08-23T23:12:43.519104+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:07:27.961248+00:00","mean_motion":15.07194921,"altitude_km":544.776,"eccentricity":0.00558939,"inclination_deg":97.9624},{"utc":"2026-04-03T20:29:52.129248+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/26958.json