The Dexes / Satellite Decay / 64540
CelestialObjectDex · Satellite Decay
ARCSTONE
64540 · 2026-04-03T00:50:17Z
Fixes
210
Observations
210
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T00:50:17.887200+00:00 |
|---|---|
| end_utc | 2026-08-09T19:32:11.783328+00:00 |
| family | celestialdex |
| norad_id | 64,540 |
| object_name | ARCSTONE |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.459 |
| n_snaps | 210 |
| span_days | 128.779 |
| mean_motion_first | 15.299 |
| mean_motion_last | 15.345 |
| delta_mean_motion | 0.046 |
| altitude_first_km | 476.020 |
| altitude_last_km | 462.418 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.104 |
| 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 | 2026-04-03T00:50:17.887200+00:00 |
| last_utc | 2026-08-09T19:32:11.783328+00:00 |
| last_fix_utc | 2026-08-09T19:32:11.783328+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T00:50:17.887200+00:00","mean_motion":15.29930475,"altitude_km":476.02,"eccentricity":0.00042821,"inclination_deg":97.4528},{"utc":"2026-04-03T18:06:17.258688+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/64540.json