The Dexes / Satellite Orbital Decay / 51139
CelestialObjectDex · Satellite Orbital Decay
STARLINK-3172
51139 · 2026-04-03T13:12:12Z
Fixes
229
Observations
229
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Start UTCstart_utc | 2026-04-03T13:12:12.538368+00:00 |
|---|---|
| End UTCend_utc | 2026-08-23T02:39:29.956896+00:00 |
| Familyfamily | celestialdex |
| NORAD IDnorad_id | 51,139 |
| Object nameobject_name | STARLINK-3172 |
| Groupgroup | active |
| Eccentricity medianeccentricity_median | 0.000 |
| Inclination deg medianinclination_deg_median | 53.163 |
| Number of snapsn_snaps | 229 |
| Span (days)span_days | 141.561 |
| Mean motion firstmean_motion_first | 15.088 |
| Mean motion lastmean_motion_last | 15.335 |
| Delta mean motiondelta_mean_motion | 0.247 |
| Altitude first (km)altitude_first_km | 539.728 |
| Altitude last (km)altitude_last_km | 465.262 |
| Decay rate rev day2decay_rate_rev_day2 | 0.002 |
| Altitude decay km dayaltitude_decay_km_day | -0.737 |
| 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 | 2026-04-03T13:12:12.538368+00:00 |
| Last UTClast_utc | 2026-08-23T02:39:29.956896+00:00 |
| Last fix UTClast_fix_utc | 2026-08-23T02:39:29.956896+00:00 |
| Provisionalprovisional | false |
| Tracktrack | [{"utc":"2026-04-03T13:12:12.538368+00:00","mean_motion":15.08845045,"altitude_km":539.728,"eccentricity":0.00012699,"inclination_deg":53.2168},{"utc":"2026-04-04T06:41:27.313440+00:00","mean_motion": |
| Total sensor hitstotal_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/51139.json