The Dexes / Satellite Decay / 56955
CelestialObjectDex · Satellite Decay
BLACKJACK ACES-2
56955 · 2026-04-03T08:59:28Z
Fixes
242
Observations
242
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T08:59:28.607424+00:00 |
|---|---|
| end_utc | 2026-08-09T19:23:32.604000+00:00 |
| family | celestialdex |
| norad_id | 56,955 |
| object_name | BLACKJACK ACES-2 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.619 |
| n_snaps | 242 |
| span_days | 128.433 |
| mean_motion_first | 15.181 |
| mean_motion_last | 15.189 |
| delta_mean_motion | 0.008 |
| altitude_first_km | 511.629 |
| altitude_last_km | 509.228 |
| decay_rate_rev_day2 | 0.000 |
| altitude_decay_km_day | -0.018 |
| 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 | 2026-04-03T08:59:28.607424+00:00 |
| last_utc | 2026-08-09T19:23:32.604000+00:00 |
| last_fix_utc | 2026-08-09T19:23:32.604000+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T08:59:28.607424+00:00","mean_motion":15.18084804,"altitude_km":511.629,"eccentricity":0.00019528,"inclination_deg":97.6087},{"utc":"2026-04-03T20:03:53.431776+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/56955.json