The Dexes / Satellite Orbital Decay / 27711
CelestialObjectDex · Satellite Orbital Decay
USA 169 (MILSTAR-2 4)
27711 · 2026-04-03T13:32:13Z
Fixes
161
Observations
161
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Start UTCstart_utc | 2026-04-03T13:32:13.498368+00:00 |
|---|---|
| End UTCend_utc | 2026-08-23T05:21:19.855008+00:00 |
| Familyfamily | celestialdex |
| NORAD IDnorad_id | 27,711 |
| Object nameobject_name | USA 169 (MILSTAR-2 4) |
| Groupgroup | active |
| Eccentricity medianeccentricity_median | 0.010 |
| Inclination deg medianinclination_deg_median | 12.354 |
| Number of snapsn_snaps | 161 |
| Span (days)span_days | 141.659 |
| Mean motion firstmean_motion_first | 1.003 |
| Mean motion lastmean_motion_last | 1.003 |
| Delta mean motiondelta_mean_motion | -0.000 |
| Altitude first (km)altitude_first_km | 35786.378 |
| Altitude last (km)altitude_last_km | 35786.386 |
| Decay rate rev day2decay_rate_rev_day2 | 0.000 |
| Altitude decay km dayaltitude_decay_km_day | -0.001 |
| 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 | 2026-04-03T13:32:13.498368+00:00 |
| Last UTClast_utc | 2026-08-23T05:21:19.855008+00:00 |
| Last fix UTClast_fix_utc | 2026-08-23T05:21:19.855008+00:00 |
| Provisionalprovisional | false |
| Tracktrack | [{"utc":"2026-04-03T13:32:13.498368+00:00","mean_motion":1.00272558,"altitude_km":35786.378,"eccentricity":0.01017643,"inclination_deg":12.2383},{"utc":"2026-04-04T14:52:45.774336+00:00","mean_motion" |
| Total sensor hitstotal_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/27711.json