The Dexes / Satellite Decay / 42990
CelestialObjectDex · Satellite Decay
SKYSAT-C8
42990 · 2026-04-03T14:47:58Z
Fixes
217
Observations
217
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:47:58.148736+00:00 |
|---|---|
| end_utc | 2026-08-09T19:51:58.830336+00:00 |
| family | celestialdex |
| norad_id | 42,990 |
| object_name | SKYSAT-C8 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.449 |
| n_snaps | 217 |
| span_days | 128.211 |
| mean_motion_first | 15.355 |
| mean_motion_last | 15.379 |
| delta_mean_motion | 0.025 |
| altitude_first_km | 459.540 |
| altitude_last_km | 452.207 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.057 |
| 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 | 2026-04-03T14:47:58.148736+00:00 |
| last_utc | 2026-08-09T19:51:58.830336+00:00 |
| last_fix_utc | 2026-08-09T19:51:58.830336+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:47:58.148736+00:00","mean_motion":15.35464984,"altitude_km":459.54,"eccentricity":0.0001118,"inclination_deg":97.4405},{"utc":"2026-04-03T21:03:20.478240+00:00","mean_motion":15 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/42990.json