The Dexes / Satellite Decay / 42942
CelestialObjectDex · Satellite Decay
ASIASAT 9
42942 · 2026-03-31T23:47:59Z
Fixes
173
Sensor hits
0
Observations
173
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-03-31T23:47:59.188128+00:00 |
|---|---|
| end_utc | 2026-08-09T16:35:38.725152+00:00 |
| family | celestialdex |
| norad_id | 42,942 |
| object_name | ASIASAT 9 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 0.014 |
| n_snaps | 173 |
| span_days | 130.700 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 35786.861 |
| altitude_last_km | 35786.984 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.075 |
| 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 | 2026-03-31T23:47:59.188128+00:00 |
| last_utc | 2026-08-09T16:35:38.725152+00:00 |
| last_fix_utc | 2026-08-09T16:35:38.725152+00:00 |
| provisional | false |
| track | [{"utc":"2026-03-31T23:47:59.188128+00:00","mean_motion":1.00270836,"altitude_km":35786.861,"eccentricity":0.00022447,"inclination_deg":0.0119},{"utc":"2026-04-03T21:57:50.355360+00:00","mean_motion": |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/42942.json