The Dexes / Satellite Decay / 42801
CelestialObjectDex · Satellite Decay
BULGARIASAT-1
42801 · 2026-04-02T04:31:38Z
Fixes
198
Sensor hits
0
Observations
198
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T04:31:38.758656+00:00 |
|---|---|
| end_utc | 2026-08-09T15:35:48.513984+00:00 |
| family | celestialdex |
| norad_id | 42,801 |
| object_name | BULGARIASAT-1 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 0.023 |
| n_snaps | 198 |
| span_days | 129.461 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | 0.000 |
| altitude_first_km | 35787.597 |
| altitude_last_km | 35786.866 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.019 |
| 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 | 2026-04-02T04:31:38.758656+00:00 |
| last_utc | 2026-08-09T15:35:48.513984+00:00 |
| last_fix_utc | 2026-08-09T15:35:48.513984+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T04:31:38.758656+00:00","mean_motion":1.00268209,"altitude_km":35787.597,"eccentricity":0.00033663,"inclination_deg":0.0499},{"utc":"2026-04-03T19:40:52.781376+00:00","mean_motion": |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/42801.json