The Dexes / Satellite Decay / 31797
CelestialObjectDex · Satellite Decay
SAR-LUPE 2
31797 · 2026-04-16T22:40:50Z
Fixes
276
Observations
276
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-16T22:40:50.515104+00:00 |
|---|---|
| end_utc | 2026-08-09T20:42:15.089760+00:00 |
| family | celestialdex |
| norad_id | 31,797 |
| object_name | SAR-LUPE 2 |
| group | active |
| eccentricity_median | 0.001 |
| inclination_deg_median | 98.104 |
| n_snaps | 276 |
| span_days | 114.918 |
| mean_motion_first | 15.437 |
| mean_motion_last | 15.573 |
| delta_mean_motion | 0.136 |
| altitude_first_km | 435.187 |
| altitude_last_km | 395.580 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.352 |
| 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 | 2026-04-16T22:40:50.515104+00:00 |
| last_utc | 2026-08-09T20:42:15.089760+00:00 |
| last_fix_utc | 2026-08-09T20:42:15.089760+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-16T22:40:50.515104+00:00","mean_motion":15.43704535,"altitude_km":435.187,"eccentricity":0.00097076,"inclination_deg":98.0997},{"utc":"2026-04-17T06:27:32.736096+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/31797.json