The Dexes / Satellite Decay / 57949
CelestialObjectDex · Satellite Decay
STARLINK-30707
57949 · 2026-04-02T11:37:08Z
Fixes
202
Sensor hits
0
Observations
202
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T11:37:08.193504+00:00 |
|---|---|
| end_utc | 2026-08-09T18:08:29.391072+00:00 |
| family | celestialdex |
| norad_id | 57,949 |
| object_name | STARLINK-30707 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 53.160 |
| n_snaps | 202 |
| span_days | 129.272 |
| mean_motion_first | 15.302 |
| mean_motion_last | 15.344 |
| delta_mean_motion | 0.042 |
| altitude_first_km | 475.146 |
| altitude_last_km | 462.715 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.123 |
| 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 | 2026-04-02T11:37:08.193504+00:00 |
| last_utc | 2026-08-09T18:08:29.391072+00:00 |
| last_fix_utc | 2026-08-09T18:08:29.391072+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T11:37:08.193504+00:00","mean_motion":15.30223259,"altitude_km":475.146,"eccentricity":0.00026954,"inclination_deg":53.1553},{"utc":"2026-04-03T18:58:13.114848+00:00","mean_motion": |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/57949.json