The Dexes / Satellite Decay / 45985
CelestialObjectDex · Satellite Decay
EXPRESS 103
45985 · 2026-04-02T01:02:21Z
Fixes
208
Sensor hits
0
Observations
208
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T01:02:21.793920+00:00 |
|---|---|
| end_utc | 2026-08-09T21:10:42.832416+00:00 |
| family | celestialdex |
| norad_id | 45,985 |
| object_name | EXPRESS 103 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 0.018 |
| n_snaps | 208 |
| span_days | 129.839 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 35786.274 |
| altitude_last_km | 35787.017 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.000 |
| 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 | 2026-04-02T01:02:21.793920+00:00 |
| last_utc | 2026-08-09T21:10:42.832416+00:00 |
| last_fix_utc | 2026-08-09T21:10:42.832416+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T01:02:21.793920+00:00","mean_motion":1.0027293,"altitude_km":35786.274,"eccentricity":0.00008494,"inclination_deg":0.0224},{"utc":"2026-04-05T21:56:46.084992+00:00","mean_motion":1 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/45985.json