The Dexes / Satellite Decay / 37775
CelestialObjectDex · Satellite Decay
ASTRA 1N
37775 · 2026-04-02T12:57:35Z
Fixes
258
Sensor hits
0
Observations
258
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T12:57:35.585280+00:00 |
|---|---|
| end_utc | 2026-08-09T03:42:05.529024+00:00 |
| family | celestialdex |
| norad_id | 37,775 |
| object_name | ASTRA 1N |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 0.090 |
| n_snaps | 258 |
| span_days | 128.614 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 35786.111 |
| altitude_last_km | 35787.292 |
| 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 | 2026-04-02T12:57:35.585280+00:00 |
| last_utc | 2026-08-09T03:42:05.529024+00:00 |
| last_fix_utc | 2026-08-09T03:42:05.529024+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T12:57:35.585280+00:00","mean_motion":1.00273513,"altitude_km":35786.111,"eccentricity":0.00050149,"inclination_deg":0.0851},{"utc":"2026-04-04T02:09:38.651616+00:00","mean_motion": |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/37775.json