The Dexes / Satellite Decay / 100120
CelestialObjectDex · Satellite Decay
STARLINK-38120
100120 · 2026-07-29T01:04:59Z
Fixes
18
Sensor hits
0
Observations
18
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-07-29T01:04:59.376288+00:00 |
|---|---|
| end_utc | 2026-08-08T22:50:26.888640+00:00 |
| family | celestialdex |
| norad_id | 100,120 |
| object_name | STARLINK-38120 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.284 |
| n_snaps | 18 |
| span_days | 10.907 |
| mean_motion_first | 15.858 |
| mean_motion_last | 15.753 |
| delta_mean_motion | -0.106 |
| altitude_first_km | 314.069 |
| altitude_last_km | 343.916 |
| decay_rate_rev_day2 | -0.011 |
| altitude_decay_km_day | 3.186 |
| 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 | 2026-07-29T01:04:59.376288+00:00 |
| last_utc | 2026-08-08T22:50:26.888640+00:00 |
| last_fix_utc | 2026-08-08T22:50:26.888640+00:00 |
| provisional | false |
| track | [{"utc":"2026-07-29T01:04:59.376288+00:00","mean_motion":15.85801379,"altitude_km":314.069,"eccentricity":0.00084172,"inclination_deg":97.2823},{"utc":"2026-07-29T01:04:59.376288+00:00","mean_motion": |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/100120.json