The Dexes / Satellite Orbital Decay / 51980
CelestialObjectDex · Satellite Orbital Decay
STARLINK-3649
51980 · 2026-04-03T12:09:53Z
Fixes
235
Observations
235
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Start UTCstart_utc | 2026-04-03T12:09:53.696736+00:00 |
|---|---|
| End UTCend_utc | 2026-08-23T17:43:22.813536+00:00 |
| Familyfamily | celestialdex |
| NORAD IDnorad_id | 51,980 |
| Object nameobject_name | STARLINK-3649 |
| Groupgroup | active |
| Eccentricity medianeccentricity_median | 0.000 |
| Inclination deg medianinclination_deg_median | 53.162 |
| Number of snapsn_snaps | 235 |
| Span (days)span_days | 142.232 |
| Mean motion firstmean_motion_first | 15.088 |
| Mean motion lastmean_motion_last | 15.354 |
| Delta mean motiondelta_mean_motion | 0.266 |
| Altitude first (km)altitude_first_km | 539.748 |
| Altitude last (km)altitude_last_km | 459.740 |
| Decay rate rev day2decay_rate_rev_day2 | 0.001 |
| Altitude decay km dayaltitude_decay_km_day | -0.444 |
| 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 | 2026-04-03T12:09:53.696736+00:00 |
| Last UTClast_utc | 2026-08-23T17:43:22.813536+00:00 |
| Last fix UTClast_fix_utc | 2026-08-23T17:43:22.813536+00:00 |
| Provisionalprovisional | false |
| Tracktrack | [{"utc":"2026-04-03T12:09:53.696736+00:00","mean_motion":15.0883855,"altitude_km":539.748,"eccentricity":0.0001432,"inclination_deg":53.2141},{"utc":"2026-04-03T18:31:26.663232+00:00","mean_motion":15 |
| Total sensor hitstotal_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/51980.json