The Dexes / Satellite Decay / 68689
CelestialObjectDex · Satellite Decay
CYGNUS NG-24
68689 · 2026-04-12T04:00:56Z
Fixes
140
Observations
140
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-12T04:00:56.532672+00:00 |
|---|---|
| end_utc | 2026-08-07T00:30:49.879296+00:00 |
| family | celestialdex |
| norad_id | 68,689 |
| object_name | CYGNUS NG-24 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 51.632 |
| n_snaps | 140 |
| span_days | 116.854 |
| mean_motion_first | 16.102 |
| mean_motion_last | 15.494 |
| delta_mean_motion | -0.609 |
| altitude_first_km | 246.209 |
| altitude_last_km | 418.568 |
| decay_rate_rev_day2 | -0.001 |
| altitude_decay_km_day | 0.228 |
| 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 | 2026-04-12T04:00:56.532672+00:00 |
| last_utc | 2026-08-07T00:30:49.879296+00:00 |
| last_fix_utc | 2026-08-07T00:30:49.879296+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-12T04:00:56.532672+00:00","mean_motion":16.10231154,"altitude_km":246.209,"eccentricity":0.0006474,"inclination_deg":51.6619},{"utc":"2026-04-12T06:59:40.312320+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/68689.json