The Dexes / Satellite Orbital Decay / 53720
CelestialObjectDex · Satellite Orbital Decay
STARLINK-4642
53720 · 2026-04-03T12:10:30Z
Fixes
220
Observations
220
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Start UTCstart_utc | 2026-04-03T12:10:30.576576+00:00 |
|---|---|
| End UTCend_utc | 2026-08-23T23:02:23.031456+00:00 |
| Familyfamily | celestialdex |
| NORAD IDnorad_id | 53,720 |
| Object nameobject_name | STARLINK-4642 |
| Groupgroup | active |
| Eccentricity medianeccentricity_median | 0.000 |
| Inclination deg medianinclination_deg_median | 53.162 |
| Number of snapsn_snaps | 220 |
| Span (days)span_days | 142.453 |
| Mean motion firstmean_motion_first | 15.088 |
| Mean motion lastmean_motion_last | 15.344 |
| Delta mean motiondelta_mean_motion | 0.256 |
| Altitude first (km)altitude_first_km | 539.761 |
| Altitude last (km)altitude_last_km | 462.719 |
| Decay rate rev day2decay_rate_rev_day2 | 0.003 |
| Altitude decay km dayaltitude_decay_km_day | -0.780 |
| 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 | 2026-04-03T12:10:30.576576+00:00 |
| Last UTClast_utc | 2026-08-23T23:02:23.031456+00:00 |
| Last fix UTClast_fix_utc | 2026-08-23T23:02:23.031456+00:00 |
| Provisionalprovisional | false |
| Tracktrack | [{"utc":"2026-04-03T12:10:30.576576+00:00","mean_motion":15.08834169,"altitude_km":539.761,"eccentricity":0.00011515,"inclination_deg":53.2149},{"utc":"2026-04-04T12:01:18.027840+00:00","mean_motion": |
| Total sensor hitstotal_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/53720.json