The Dexes / Satellite Decay / 65121
CelestialObjectDex · Satellite Decay
GEESAT-4 03
65121 · 2026-04-03T15:21:56Z
Fixes
280
Observations
280
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:21:56.786112+00:00 |
|---|---|
| end_utc | 2026-08-09T15:34:33.912768+00:00 |
| family | celestialdex |
| norad_id | 65,121 |
| object_name | GEESAT-4 03 |
| group | active |
| eccentricity_median | 0.002 |
| inclination_deg_median | 49.993 |
| n_snaps | 280 |
| span_days | 128.009 |
| mean_motion_first | 14.838 |
| mean_motion_last | 14.842 |
| delta_mean_motion | 0.004 |
| altitude_first_km | 617.355 |
| altitude_last_km | 616.207 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.008 |
| 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 | 2026-04-03T15:21:56.786112+00:00 |
| last_utc | 2026-08-09T15:34:33.912768+00:00 |
| last_fix_utc | 2026-08-09T15:34:33.912768+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:21:56.786112+00:00","mean_motion":14.83799847,"altitude_km":617.355,"eccentricity":0.00205326,"inclination_deg":49.9906},{"utc":"2026-04-04T05:54:44.918208+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/65121.json