The Dexes / Satellite Decay / 100156
CelestialObjectDex · Satellite Decay
STARLINK-38121
100156 · 2026-07-29T18:00:02Z
Fixes
16
Sensor hits
0
Observations
16
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-07-29T18:00:02.000160+00:00 |
|---|---|
| end_utc | 2026-08-09T07:45:58.138848+00:00 |
| family | celestialdex |
| norad_id | 100,156 |
| object_name | STARLINK-38121 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.283 |
| n_snaps | 16 |
| span_days | 10.574 |
| mean_motion_first | 15.982 |
| mean_motion_last | 15.753 |
| delta_mean_motion | -0.229 |
| altitude_first_km | 279.507 |
| altitude_last_km | 343.778 |
| decay_rate_rev_day2 | -0.025 |
| altitude_decay_km_day | 7.099 |
| 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 | 2026-07-29T18:00:02.000160+00:00 |
| last_utc | 2026-08-09T07:45:58.138848+00:00 |
| last_fix_utc | 2026-08-09T07:45:58.138848+00:00 |
| provisional | false |
| track | [{"utc":"2026-07-29T18:00:02.000160+00:00","mean_motion":15.98166129,"altitude_km":279.507,"eccentricity":0.0001277,"inclination_deg":97.2826},{"utc":"2026-07-29T18:00:02.000160+00:00","mean_motion":1 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/100156.json