The Dexes / Satellite Orbital Decay / 45227
CelestialObjectDex · Satellite Orbital Decay
STARLINK-1221
45227 · 2026-04-03T12:49:49Z
Fixes
202
Observations
202
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Start UTCstart_utc | 2026-04-03T12:49:49.116864+00:00 |
|---|---|
| End UTCend_utc | 2026-08-23T07:03:29.353536+00:00 |
| Familyfamily | celestialdex |
| NORAD IDnorad_id | 45,227 |
| Object nameobject_name | STARLINK-1221 |
| Groupgroup | active |
| Eccentricity medianeccentricity_median | 0.000 |
| Inclination deg medianinclination_deg_median | 53.064 |
| Number of snapsn_snaps | 202 |
| Span (days)span_days | 141.759 |
| Mean motion firstmean_motion_first | 15.429 |
| Mean motion lastmean_motion_last | 15.494 |
| Delta mean motiondelta_mean_motion | 0.065 |
| Altitude first (km)altitude_first_km | 437.575 |
| Altitude last (km)altitude_last_km | 418.366 |
| Decay rate rev day2decay_rate_rev_day2 | 0.000 |
| Altitude decay km dayaltitude_decay_km_day | -0.123 |
| 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 | 2026-04-03T12:49:49.116864+00:00 |
| Last UTClast_utc | 2026-08-23T07:03:29.353536+00:00 |
| Last fix UTClast_fix_utc | 2026-08-23T07:03:29.353536+00:00 |
| Provisionalprovisional | false |
| Tracktrack | [{"utc":"2026-04-03T12:49:49.116864+00:00","mean_motion":15.42893305,"altitude_km":437.575,"eccentricity":0.00037849,"inclination_deg":53.064},{"utc":"2026-04-04T04:22:35.217120+00:00","mean_motion":1 |
| Total sensor hitstotal_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/45227.json