The Dexes / Satellite Decay / 44408
CelestialObjectDex · Satellite Decay
MOMENTUS-X1
44408 · 2026-04-03T14:54:04Z
Fixes
190
Observations
190
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:54:04.741344+00:00 |
|---|---|
| end_utc | 2026-08-09T14:55:49.300032+00:00 |
| family | celestialdex |
| norad_id | 44,408 |
| object_name | MOMENTUS-X1 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 97.676 |
| n_snaps | 190 |
| span_days | 128.001 |
| mean_motion_first | 15.609 |
| mean_motion_last | 15.714 |
| delta_mean_motion | 0.105 |
| altitude_first_km | 384.920 |
| altitude_last_km | 354.771 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.238 |
| 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 | 2026-04-03T14:54:04.741344+00:00 |
| last_utc | 2026-08-09T14:55:49.300032+00:00 |
| last_fix_utc | 2026-08-09T14:55:49.300032+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:54:04.741344+00:00","mean_motion":15.60947033,"altitude_km":384.92,"eccentricity":0.00068787,"inclination_deg":97.6849},{"utc":"2026-04-04T01:40:15.256128+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/44408.json