The Dexes / Satellite Decay / 41869
CelestialObjectDex · Satellite Decay
TIANLIAN 1-04
41869 · 2026-04-03T14:36:12Z
Fixes
252
Observations
252
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T14:36:12.393792+00:00 |
|---|---|
| end_utc | 2026-08-09T18:08:12.416928+00:00 |
| family | celestialdex |
| norad_id | 41,869 |
| object_name | TIANLIAN 1-04 |
| group | active |
| eccentricity_median | 0.004 |
| inclination_deg_median | 0.844 |
| n_snaps | 252 |
| span_days | 128.147 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 35786.148 |
| altitude_last_km | 35787.070 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.001 |
| 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 | 2026-04-03T14:36:12.393792+00:00 |
| last_utc | 2026-08-09T18:08:12.416928+00:00 |
| last_fix_utc | 2026-08-09T18:08:12.416928+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T14:36:12.393792+00:00","mean_motion":1.00273381,"altitude_km":35786.148,"eccentricity":0.00400054,"inclination_deg":0.6748},{"utc":"2026-04-03T20:30:55.506240+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/41869.json