The Dexes / Satellite Decay / 66742
CelestialObjectDex · Satellite Decay
MERCURY ONE (M1)
66742 · 2026-04-03T15:25:24Z
Fixes
227
Observations
227
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:25:24.352608+00:00 |
|---|---|
| end_utc | 2026-08-09T18:58:44.161824+00:00 |
| family | celestialdex |
| norad_id | 66,742 |
| object_name | MERCURY ONE (M1) |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.420 |
| n_snaps | 227 |
| span_days | 128.148 |
| mean_motion_first | 15.190 |
| mean_motion_last | 15.200 |
| delta_mean_motion | 0.010 |
| altitude_first_km | 508.887 |
| altitude_last_km | 505.761 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.025 |
| 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 | 2026-04-03T15:25:24.352608+00:00 |
| last_utc | 2026-08-09T18:58:44.161824+00:00 |
| last_fix_utc | 2026-08-09T18:58:44.161824+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:25:24.352608+00:00","mean_motion":15.18991582,"altitude_km":508.887,"eccentricity":0.00016078,"inclination_deg":97.423},{"utc":"2026-04-03T18:35:07.582848+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/66742.json