The Dexes / Satellite Orbital Decay / 51987
CelestialObjectDex · Satellite Orbital Decay
STARLINK-3644
51987 · 2026-04-03T13:18:47Z
Fixes
225
Observations
225
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Start UTCstart_utc | 2026-04-03T13:18:47.525472+00:00 |
|---|---|
| End UTCend_utc | 2026-08-22T17:20:17.551104+00:00 |
| Familyfamily | celestialdex |
| NORAD IDnorad_id | 51,987 |
| Object nameobject_name | STARLINK-3644 |
| Groupgroup | active |
| Eccentricity medianeccentricity_median | 0.000 |
| Inclination deg medianinclination_deg_median | 53.163 |
| Number of snapsn_snaps | 225 |
| Span (days)span_days | 141.168 |
| Mean motion firstmean_motion_first | 15.088 |
| Mean motion lastmean_motion_last | 15.344 |
| Delta mean motiondelta_mean_motion | 0.255 |
| Altitude first (km)altitude_first_km | 539.752 |
| Altitude last (km)altitude_last_km | 462.787 |
| Decay rate rev day2decay_rate_rev_day2 | 0.003 |
| Altitude decay km dayaltitude_decay_km_day | -0.783 |
| 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 | 2026-04-03T13:18:47.525472+00:00 |
| Last UTClast_utc | 2026-08-22T17:20:17.551104+00:00 |
| Last fix UTClast_fix_utc | 2026-08-22T17:20:17.551104+00:00 |
| Provisionalprovisional | false |
| Tracktrack | [{"utc":"2026-04-03T13:18:47.525472+00:00","mean_motion":15.08837297,"altitude_km":539.752,"eccentricity":0.00015818,"inclination_deg":53.2149},{"utc":"2026-04-03T19:40:20.441856+00:00","mean_motion": |
| Total sensor hitstotal_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/51987.json