The Dexes / Satellite Decay / 39070
CelestialObjectDex · Satellite Decay
TDRS 11
39070 · 2026-04-03T14:31:22Z
Fixes
272
Observations
272
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:31:22.544256+00:00 |
|---|---|
| end_utc | 2026-08-09T19:53:25.218240+00:00 |
| family | celestialdex |
| norad_id | 39,070 |
| object_name | TDRS 11 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 3.505 |
| n_snaps | 272 |
| span_days | 128.224 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 35786.239 |
| altitude_last_km | 35786.472 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.003 |
| decay_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_utc | 2026-04-03T14:31:22.544256+00:00 |
| last_utc | 2026-08-09T19:53:25.218240+00:00 |
| last_fix_utc | 2026-08-09T19:53:25.218240+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:31:22.544256+00:00","mean_motion":1.00273054,"altitude_km":35786.239,"eccentricity":0.00044673,"inclination_deg":3.4119},{"utc":"2026-04-04T05:06:46.077120+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/39070.json