The Dexes / Satellite Decay / 38740
CelestialObjectDex · Satellite Decay
INTELSAT 20 (IS-20)
38740 · 2026-04-02T21:57:21Z
Fixes
216
Observations
216
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-02T21:57:21.504672+00:00 |
|---|---|
| end_utc | 2026-08-09T17:37:30.360288+00:00 |
| family | celestialdex |
| norad_id | 38,740 |
| object_name | INTELSAT 20 (IS-20) |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 0.012 |
| n_snaps | 216 |
| span_days | 128.820 |
| mean_motion_first | 1.003 |
| mean_motion_last | 1.003 |
| delta_mean_motion | -0.000 |
| altitude_first_km | 35786.570 |
| altitude_last_km | 35788.543 |
| decay_rate_rev_day2 | -0.000 |
| altitude_decay_km_day | 0.006 |
| 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 | 2026-04-02T21:57:21.504672+00:00 |
| last_utc | 2026-08-09T17:37:30.360288+00:00 |
| last_fix_utc | 2026-08-09T17:37:30.360288+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-02T21:57:21.504672+00:00","mean_motion":1.00271874,"altitude_km":35786.57,"eccentricity":0.00023022,"inclination_deg":0.0103},{"utc":"2026-04-04T05:33:38.759040+00:00","mean_motion":1 |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/38740.json