The Dexes / Satellite Decay / 56167
CelestialObjectDex · Satellite Decay
CHECKMATE 2
56167 · 2026-04-03T14:07:16Z
Fixes
252
Observations
252
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:07:16.616928+00:00 |
|---|---|
| end_utc | 2026-08-23T19:33:34.414560+00:00 |
| family | celestialdex |
| norad_id | 56,167 |
| object_name | CHECKMATE 2 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 81.003 |
| n_snaps | 252 |
| span_days | 142.227 |
| mean_motion_first | 13.851 |
| mean_motion_last | 13.852 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 945.694 |
| altitude_last_km | 945.603 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.001 |
| 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 | 2026-04-03T14:07:16.616928+00:00 |
| last_utc | 2026-08-23T19:33:34.414560+00:00 |
| last_fix_utc | 2026-08-23T19:33:34.414560+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:07:16.616928+00:00","mean_motion":13.85145161,"altitude_km":945.694,"eccentricity":0.00076524,"inclination_deg":81.004},{"utc":"2026-04-04T05:43:25.523040+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/56167.json