The Dexes / Satellite Decay / 64691
CelestialObjectDex · Satellite Decay
LYRA-4
64691 · 2026-04-03T09:27:58Z
Fixes
219
Observations
219
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T09:27:58.656960+00:00 |
|---|---|
| end_utc | 2026-08-09T19:56:50.627328+00:00 |
| family | celestialdex |
| norad_id | 64,691 |
| object_name | LYRA-4 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 96.005 |
| n_snaps | 219 |
| span_days | 128.437 |
| mean_motion_first | 14.723 |
| mean_motion_last | 14.726 |
| delta_mean_motion | 0.003 |
| altitude_first_km | 653.675 |
| altitude_last_km | 652.717 |
| 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 | 2026-04-03T09:27:58.656960+00:00 |
| last_utc | 2026-08-09T19:56:50.627328+00:00 |
| last_fix_utc | 2026-08-09T19:56:50.627328+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T09:27:58.656960+00:00","mean_motion":14.72318859,"altitude_km":653.675,"eccentricity":0.00145063,"inclination_deg":95.9941},{"utc":"2026-04-04T06:40:14.575008+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/64691.json