The Dexes / Satellite Decay / 56170
CelestialObjectDex · Satellite Decay
BB 2
56170 · 2026-04-03T08:25:12Z
Fixes
234
Observations
234
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T08:25:12.241632+00:00 |
|---|---|
| end_utc | 2026-08-09T19:18:19.092960+00:00 |
| family | celestialdex |
| norad_id | 56,170 |
| object_name | BB 2 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 81.001 |
| n_snaps | 234 |
| span_days | 128.454 |
| mean_motion_first | 13.890 |
| mean_motion_last | 14.294 |
| delta_mean_motion | 0.404 |
| altitude_first_km | 932.301 |
| altitude_last_km | 793.876 |
| decay_rate_rev_day2 | 0.004 |
| altitude_decay_km_day | -1.240 |
| 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 | 2026-04-03T08:25:12.241632+00:00 |
| last_utc | 2026-08-09T19:18:19.092960+00:00 |
| last_fix_utc | 2026-08-09T19:18:19.092960+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T08:25:12.241632+00:00","mean_motion":13.8895337,"altitude_km":932.301,"eccentricity":0.00120793,"inclination_deg":81.0054},{"utc":"2026-04-03T20:31:11.790912+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/56170.json