The Dexes / Satellite Orbital Decay / 39197
CelestialObjectDex · Satellite Orbital Decay
IRIS
39197 · 2026-04-03T13:07:35Z
Fixes
243
Observations
243
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Start UTCstart_utc | 2026-04-03T13:07:35.688576+00:00 |
|---|---|
| End UTCend_utc | 2026-08-23T12:04:49.392480+00:00 |
| Familyfamily | celestialdex |
| NORAD IDnorad_id | 39,197 |
| Object nameobject_name | IRIS |
| Groupgroup | active |
| Eccentricity medianeccentricity_median | 0.002 |
| Inclination deg medianinclination_deg_median | 97.934 |
| Number of snapsn_snaps | 243 |
| Span (days)span_days | 141.956 |
| Mean motion firstmean_motion_first | 14.857 |
| Mean motion lastmean_motion_last | 14.860 |
| Delta mean motiondelta_mean_motion | 0.003 |
| Altitude first (km)altitude_first_km | 611.307 |
| Altitude last (km)altitude_last_km | 610.444 |
| Decay rate rev day2decay_rate_rev_day2 | 0.000 |
| Altitude decay km dayaltitude_decay_km_day | -0.006 |
| 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 | 2026-04-03T13:07:35.688576+00:00 |
| Last UTClast_utc | 2026-08-23T12:04:49.392480+00:00 |
| Last fix UTClast_fix_utc | 2026-08-23T12:04:49.392480+00:00 |
| Provisionalprovisional | false |
| Tracktrack | [{"utc":"2026-04-03T13:07:35.688576+00:00","mean_motion":14.85726244,"altitude_km":611.307,"eccentricity":0.00239757,"inclination_deg":97.9379},{"utc":"2026-04-04T03:40:25.871808+00:00","mean_motion": |
| Total sensor hitstotal_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39197.json