The Dexes / Satellite Orbital Decay / 26880
CelestialObjectDex · Satellite Orbital Decay
USA 159 (DSP 21)
26880 · 2026-04-03T12:03:12Z
Fixes
65
Observations
65
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| Start UTCstart_utc | 2026-04-03T12:03:12.914784+00:00 |
|---|---|
| End UTCend_utc | 2026-06-13T03:57:59.518080+00:00 |
| Familyfamily | celestialdex |
| NORAD IDnorad_id | 26,880 |
| Object nameobject_name | USA 159 (DSP 21) |
| Groupgroup | active |
| Eccentricity medianeccentricity_median | 0.000 |
| Inclination deg medianinclination_deg_median | 12.742 |
| Number of snapsn_snaps | 65 |
| Span (days)span_days | 70.663 |
| Mean motion firstmean_motion_first | 0.992 |
| Mean motion lastmean_motion_last | 0.992 |
| Delta mean motiondelta_mean_motion | -0.000 |
| Altitude first (km)altitude_first_km | 36089.315 |
| Altitude last (km)altitude_last_km | 36090.493 |
| Decay rate rev day2decay_rate_rev_day2 | -0.000 |
| Altitude decay km dayaltitude_decay_km_day | 0.008 |
| 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 | 2026-04-03T12:03:12.914784+00:00 |
| Last UTClast_utc | 2026-06-13T03:57:59.518080+00:00 |
| Last fix UTClast_fix_utc | 2026-06-13T03:57:59.518080+00:00 |
| Provisionalprovisional | false |
| Tracktrack | [{"utc":"2026-04-03T12:03:12.914784+00:00","mean_motion":0.99201549,"altitude_km":36089.315,"eccentricity":0.00003242,"inclination_deg":12.7119},{"utc":"2026-04-04T13:15:38.706912+00:00","mean_motion" |
| Total sensor hitstotal_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/26880.json