The Dexes / Satellite Decay / 68540
CelestialObjectDex · Satellite Decay
SWC-1
68540 · 2026-04-02T12:20:34Z
Fixes
8
Sensor hits
0
Observations
8
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T12:20:34.000224+00:00 |
|---|---|
| end_utc | 2026-04-17T12:14:33.921312+00:00 |
| family | celestialdex |
| norad_id | 68,540 |
| object_name | SWC-1 |
| group | active |
| eccentricity_median | 0.836 |
| inclination_deg_median | 28.353 |
| n_snaps | 8 |
| span_days | 14.996 |
| mean_motion_first | 1.016 |
| mean_motion_last | 1.018 |
| delta_mean_motion | 0.002 |
| altitude_first_km | 35419.510 |
| altitude_last_km | 35352.432 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -4.473 |
| 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 | 2026-04-02T12:20:34.000224+00:00 |
| last_utc | 2026-04-17T12:14:33.921312+00:00 |
| last_fix_utc | 2026-04-17T12:14:33.921312+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T12:20:34.000224+00:00","mean_motion":1.01595625,"altitude_km":35419.51,"eccentricity":0.8375109,"inclination_deg":28.3462},{"utc":"2026-04-17T12:14:33.921312+00:00","mean_motion":1 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/68540.json