The Dexes / Satellite Orbital Decay / 57418
CelestialObjectDex · Satellite Orbital Decay
STARLINK-30221
57418 · 2026-04-03T11:48:11Z
Fixes
233
Observations
233
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Start UTCstart_utc | 2026-04-03T11:48:11.885472+00:00 |
|---|---|
| End UTCend_utc | 2026-08-23T22:00:01.999584+00:00 |
| Familyfamily | celestialdex |
| NORAD IDnorad_id | 57,418 |
| Object nameobject_name | STARLINK-30221 |
| Groupgroup | active |
| Eccentricity medianeccentricity_median | 0.000 |
| Inclination deg medianinclination_deg_median | 43.001 |
| Number of snapsn_snaps | 233 |
| Span (days)span_days | 142.425 |
| Mean motion firstmean_motion_first | 15.111 |
| Mean motion lastmean_motion_last | 15.414 |
| Delta mean motiondelta_mean_motion | 0.304 |
| Altitude first (km)altitude_first_km | 532.929 |
| Altitude last (km)altitude_last_km | 441.899 |
| Decay rate rev day2decay_rate_rev_day2 | 0.002 |
| Altitude decay km dayaltitude_decay_km_day | -0.457 |
| Decay notedecay_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 UTCfirst_utc | 2026-04-03T11:48:11.885472+00:00 |
| Last UTClast_utc | 2026-08-23T22:00:01.999584+00:00 |
| Last fix UTClast_fix_utc | 2026-08-23T22:00:01.999584+00:00 |
| Provisionalprovisional | false |
| Tracktrack | [{"utc":"2026-04-03T11:48:11.885472+00:00","mean_motion":15.11072074,"altitude_km":532.929,"eccentricity":0.00008754,"inclination_deg":43.002},{"utc":"2026-04-04T02:04:52.203648+00:00","mean_motion":1 |
| Total sensor hitstotal_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/57418.json